Answer:
$933.3
Step-by-step explanation:
Given data
Principal= $900
Rate= 7.55%
Time= 180 days>>> 6months>>> 0.5 years
Say the account is on a compound interest plan
A= P(1+r)^t
substitute
A= 900(1+0.0755)^0.5
A= 900(1.0755)^0.5
A= 900*1.037
A= $933.3
Hence the teacher will withdraw $933.3 on a compound interest investment after 6 months
The sum of page numbers on the facing pages of a book is 617 what are the page numbers
Answer:
The sum of the page numbers on the facing pages of a book is 81 What are the page numbers
Step-by-step explanation:
The page numbers on facing pages of a book will always be consecutive. Therefore, let the left-hand page be denoted by x. Then the right-hand page would be x+1. x = 40.
Answer:
1,234
Step-by-step explanation:
if there are 617 of only one side of each page multiply by 2. 617 x 2 = 1,234
can someone help me out-? thanks hopefully the picture is there- :,D
Answer:
2a-12-16b
Step-by-step explanation:
\(4((\frac{a}{2} -3)-4b)=\)\(4((\frac{a-3(2)}{2} )-4b)\)\(=2(a-3(2))-4(4B)=2a-12-16b\)
Question
Find the standard form polynomial that represents this product.
(6 - y - 4y2)(-5 + 7y?)
Enter the correct answer in the box.
Answer: -28y^4 - 7y^3 + 62y^2 + 5y - 30
Step-by-step explanation: Just trust me, it's correct
Katie is mixing a new blend of perfume. Her formula calls for 12% lavender solution. She has two bottles. One is 15% and the other is 6%. How many ounces of each does she need to make 18 ounces of 12%?
Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.
What is the percentage?
A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%". The percentage can be calculated by dividing the value by the total value and then multiplying the result by 100.01
First, determine the total amount of lavender solution needed for the 18 ounces of perfume.
This is 18 ounces x 12% = 2.16 ounces.
Next, determine the amount of lavender solution in the 15% solution. This is 2.16 ounces / 0.15 = 14.4 ounces.
Subtract the amount of lavender solution in the 15% solution from the total amount needed. 2.16 - 14.4 = 0.76 oz
Determine how many ounces of the 6% solution are needed. This is 0.76 oz / 0.06 = 12.67 oz
Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.
Hence, Katie should use 14.4 oz of the 15% solution and 12.67 oz of the 6% solution to make 18 ounces of a 12% lavender solution.
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Rashi and Priya had a race one evening. Their friend Jitu had to record the time. Both, Rashi and Priya, started the race at the same time, but Jitu forgot to note the starting time. However he noted the ending time which is as shown here.
According to the information in the graph, it can be inferred that both started the race at 20:00:00.
How to calculate the start time of the race?To calculate the start time of the race we must look at the end time and the time it took to complete the entire race. In this case we must subtract the time they spent doing the race from the time they finished and this will give us the start time of the race as shown below:
Rashi time
20:15:36 (8:15:36 pm) - 15:36 = 20:00:00 (8:00:00 pm)Priya time
20:15:22 (8:15:22 pm) - 15:22 = 20:00:00 (8:00:00 pm)According to the information above, they both started the race at 8:00 p.m. and Priya completed the race in a shorter time (15:22).
Note: This question is incomplete because there is some information missing. Here is the complete information:
graph attached
tasks
Calculate what time the race started.
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Find the solution of the system for which
Answer:
3,0,-6,0
Step-by-step explanation:
x1=3 because 3+0+0=3
since x2 and s2=0.
one half cubed − 6 ÷ square root of 64
negative five eighths
negative 47 over 64
five eighths
47 over 64
Answer:
answer: negative five eighths
The solution to the expression one half cubed − 6 ÷ square root of 64 is A. negative five-eighths.
Given a fractional expression:
One half cubed − 6 ÷ square root of 64
It is required to find the value of the expression.
This can be numerically written as:
\((\frac{1}{2} )^3-6\div\sqrt{64}\)
It is known that:
\(\sqrt{64}=8\)
So, the expression can be written as:
\((\frac{1}{2} )^3-6\div8\)
Now, \((\frac{1}{2} )^3=\frac{1}{2^3}\)
\(=\frac{1}{8}\)
So, the expression becomes:
\((\frac{1}{8} )-6\div8\)
Using the BODMAS rule, division has to be done first before subtraction.
So, the expression becomes:
\((\frac{1}{8} )-\frac{6}{8}=-\frac{5}{8}\)
Hence, the correct option is A. negative five-eighths.
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Two dice are rolled. Determine the probability of the following. ("Doubles" means both dice show the same number.)
Rolling an even number or doubles
The probability of the Doubles" means both dice show the same number is 36.
What is probability?When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.
The probabilities of these two outcomes must be added in order to get the likelihood of rolling an even number or doubles, but since we have already tallied those outcomes twice, the probability of rolling both doubles and an even number must be subtracted. The probability of rolling doubles and an even number is 1/36 since rolling two sixes is the only method to get a double and an even number.
The likelihood of rolling an even number or doubles is thus:
The formula for P(even number or doubles) is P(even number) = P(even number) + P(doubles) - P(even number and doubles) = 1/2 + 1/6 - 1/36 = 19/36.
The odds of rolling an even number or two doubles are 19/36.
Therefore, the probability of the Doubles" means both dice show the same number is 36.
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Solve the equation below for x
Cx — 4 = 7
The equation for the value of x will be 11/C.
According to the question,
We have the following equation:
Cx — 4 = 7
Now, we can easily find the value of x from this equation by following the given steps.
We will first add 4 on both sides of the equation:
Cx = 7+4
Adding the two numbers on the right hand side:
Cx = 11
Dividing by C on both sides of the equation:
x = 11/C
(More to know: we can now find the value of x if the value of C is given.)
Hence, the equation for the value of x will be 11/C.
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PLEASE HELP !!!!!!!!!!!!!! Asap Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fract
AB and
BC form a right angle at their point of intersection, B.
AB
If the coordinates of A and B are (14, -1) and (2, 1), respectively, the y-intercept of AB is
is y =
x +
If the y-coordinate of point C is 13, its x-coordinate is
Answer:
The y-intercept is (0, 4/3) and the equation of is y = -1/6x + 4/3. if the y-coordinate of point c is 13, its x-coordinate is -70
Equation of a lineThe equation of a line in slope-intercept form is y = mx + b
where;
m is the slope
b is the y-intercept
Given the coordinate points (14, -1) and (2, 1)
Slope = 1-(-1)/2-14
Slope = 2/-12
Slope = -1/6
Determine the y-intercept
1 = -1/6(2) + b
1 = -1/3 + b
b = 1 + 1/3
b = 4/3
The given equation of the line is y = -1/6x + 4/3
For the y-intercept
y = -1/6(0) + 4/3
y = 4/3
Hence the y-intercept is (0, 4/3)
For the x-intercept
0 = -1/6(x) + 4/3
1/6x = 4/3
24x = 3
x = 1/8
Hence the x-intercept is (1/8, 0)
If the y-coordinate of point C is 13, hence;
y = -1/6x + 4/3
13 = -1/6x + 4/3
-1/6x = 13 - 4/3
-1/6x = 35/3
-1/2 x = 35
x = -70
The y-intercept is (0, 4/3) and the equation of is y = -1/6x + 4/3. if the y-coordinate of point c is 13, its x-coordinate is -70
PLEASE HELP ASAP!!!!! URGENT!!!! NO SCAM LINKS OR BEGGING FOR BRAINLIEST!!! COMPLETE ANSWER ONLY!!!!
A student has 327 coins in their piggy bank, all of which are dimes (worth $0.10 each) and quarters (worth $0.25 each). If the total value of his change is $54.30, how many dimes and how many quarters does he have?
He has _______ dimes.
He has _______ quarters.
Answer:
183 dimes, 144 quarters
Step-by-step explanation:
Let d be the number of dimes and q be the number of quarters.
.10d + .25q = 54.30------>.10d + .25q = 54.30
d + q = 327-------------->.10d + .10q = 32.70
-------------------------
.15q = 21.60
q = 144
d = 183
Suppose log subscript a x equals 3, log subscript a y equals 7, and log subscript a z equals short dash 2. Find the value of the following expression. log subscript a open parentheses fraction numerator x cubed y over denominator z to the power of 4 end fraction close parentheses
Answer:
24Step-by-step explanation:
Given the following logarithmic expressions \(log_ax = 3, log_ay = 7, log_az = -2\), we are to find the value of \(log_a(\frac{x^3y}{z^4} )\)
\(from\ log_ax = 3, x = a^3\\\\from\ log_ay = 7,y = a^7\\\\from\ log_az = -2, z = a^{-2}\)Substituting x = a³, y = a⁷ and z = a⁻² into the log function \(log_a(\frac{x^3y}{z^4} )\) we will have;
\(= log_a(\frac{x^3y}{z^4} )\\\\= log_a(\dfrac{(a^3)^3*a^7}{(a^{-2})^4} )\\\\= log_a(\dfrac{a^9*a^7}{a^{-8}} )\\\\= log_a\dfrac{a^{16}}{a^{-8}} \\\\= log_aa^{16+8}\\\\= log_aa^{24}\\\\= 24log_aa\\\\= 24* 1\\\\= 24\)
Hence, the value of the logarithm expression is 24
The lengths of nails produced in a factory are normally distributed with a mean of 6.13 centimeters and a standard deviation of 0.06 centimeters. Find the two lengths that separate the top 7% and the bottom 7%. These lengths could serve as limits used to identify which nails should be rejected.
Answer:
A value of 6.0415 centimeters separates the bottom 7%, while a value of 6.2185 centimeters separates the top 7%.
Step-by-step explanation:
Normal Probability Distribution
Problems of normal distributions can be solved using the z-score formula.
In a set with mean \(\mu\) and standard deviation \(\sigma\), the z-score of a measure X is given by:
\(Z = \frac{X - \mu}{\sigma}\)
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Mean of 6.13 centimeters and a standard deviation of 0.06 centimeters.
This means that \(\mu = 6.13, \sigma = 0.06\)
Value that separated the top 7%:
The 100 - 7 = 93rd percentile, which is X when Z has a p-value of 0.93, so X when Z = 1.475.
\(Z = \frac{X - \mu}{\sigma}\)
\(1.475 = \frac{X - 6.13}{0.06}\)
\(X - 6.13 = 1.475*0.06\)
\(X = 6.2185\)
Value that separates the bottom 7%:
The 7th percentile, which is X when Z has a p-value of 0.07, so X when Z = -1.475.
\(Z = \frac{X - \mu}{\sigma}\)
\(-1.475 = \frac{X - 6.13}{0.06}\)
\(X - 6.13 = -1.475*0.06\)
\(X = 6.0415\)
A value of 6.0415 centimeters separates the bottom 7%, while a value of 6.2185 centimeters separates the top 7%.
vertical angles are ____?
a. parallel
b.supplementary
c.complementary
d.congruent
Answer:
congruent.. because they are opposite another..
Answer:
Parallel
Step-by-step explanation:
Parallel means they don't touch. So, when they are going straight they will never curve or touch each other in the process.
which equation is always true 6(x+y)=6(y+x) 6(xy)=(6x)(6y) 6(x+y)=6x+y or 6(x+0)=6x+6
Looking at the first option,
6(x+y) = 6(y+x)
This is always true. We applied the associative property of addition which states that the addition of numbers remain the same regardless of how they are grouped.
The correct option is the first one
Calculate the missing angles a, b, c, and d in the diagram below, giving a reason for each answer
Answer:
see below and attachment
Step-by-step explanation:
a=30°
because, the marked angle of 30° is an alternate interior angle to angle a. Alternate interior angles are congruent, and we know they are congruent because the 2 horizontal lines are parallel.
b=50°
because the marked angle of 50° is a vertical angle to angle b. Vertical angles are congruent because 2 lines that intersect have opposite congruent angles, making them vertical angles to each other.
c=50°
because the marked angle of 50° is a corresponding angle (same side angle) to angle c. These corresponding angles are congruent because the 2 horizontal lines are parallel.
d=100°
because the 3 interior angles of a triangle must add up to 180°. We have 30°, 50°, so the last angle must be 100°. We can also figure this out because the bottom horizontal line is a straight line, meaning the angle is also 180°. We have angle a as 30°, angle c as 50°, so angle d must be 100°.
Hope this helps! See attachment for visual.
Given the figure below, find the values of x and z.
108
(12x+24)
We know that two vertical angles are equal.
\(108° \: = \: (12x \: + \: 24)°\)
\( - 12x \: = \: 24 \: - \: 108\)
\( - 12x \: = \: -84\)
\( \boxed{ \bold{x \: = \: 7°}}\)
We calculate "x":We know that a complete angle measures 360°.
\(108° \: + \: 108° \: + \: z \: + \: z \: = \: 360°\)
\(216 \: + \: 2z \: = \: 360\)
\(2z \: = \: 360 \: - \: 216\)
\(2z \: = \: 144\)
\( \boxed{ \bold{z \: = \: 72°}}\)
Answer: x = 7 z = 72 °A rectangular swimming pool is 17 meters long, 10 1 2 meters wide, and 2 1 2 meters deep. What is its volume?
Volume is a three-dimensional scalar quantity. The volume of the pool is 446.25 meters³.
What is volume?
A volume is a scalar number that expresses the amount of three-dimensional space enclosed by a closed surface.
The volume of the pool can be written as,
Volume = 17 meters × 10 1/2 meters × 2 1/2 meters
= 17 × 10.5 × 2.5 meters³
= 446.25 meters³
Hence, the volume of the pool is 446.25 meters³.
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if f(x) = f(xf(xf(x))), where f(1) = 4, f(4) = 6, f '(1) = 4, f '(4) = 5, and "f '(6) = 6", find f '(1).
If function F(x) = f(xf(xf(x))), where f(1) = 4, f(4) = 6, f '(1) = 4, f '(4) = 5, and f '(6) = 6, the value of an F'(1) is 114.
We know that the chain rule of differentiation (derivative)
The derivative of composite function f(g(x)) is: f'(g(x))⋅g'(x)
Consider function F(x) = f(xf(xf(x)))
We need to differentiate above function with respect to x.
F'(x) = f'(xf(xf(x))) × d/dx[x f(xf(x))]
We use product rule of derivative to find d/dx[x f(xf(x))]
d/dx[x f(xf(x))] = f(xf(x)) d/dx(x) + x d/dx(f(xf(x)))
After simplifying these expressions we get.
F'(x) = f'(xf(xf(x))) [f(xf(x)) + xf'(xf(x)) + x(f(x) + xf'(x))]
For x = 1 above expression would be,
F'(1) = f'(1 f(1 f(1))) [f(1 f(1)) + 1 f'(1 f(1)) + 1 (f(1) + 1 f'(1))]
F'(1) = f'(f(4)) [f(4) + f'(4) + (4 + 4)]
F'(1) = f'(6) [6 + 5 + 8]
F'(1) = 6 × 19
F'(1) = 114
Therefore, the value of F'(1) = 114.
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The complete question is:
If F(x) = f(xf(xf(x))), where f(1) = 4, f(4) = 6, f '(1) = 4, f '(4) = 5, and f '(6) = 6, find F '(1).
Find absolute and relative change as a percentage.
The U.S. per person consumption of beef decreased from 67.8 pounds in 2000 to 57.7 pounds in 2020.
The relative change is approximately -14.9%, indicating a decrease of approximately 14.9% in per person consumption of beef from 2000 to 2020.
How to determine the absolute and relative change as a percentage.To find the absolute and relative change as a percentage in the U.S. per person consumption of beef from 2000 to 2020, we can follow these steps:
Calculating the absolute change:
Absolute change = Final value - Initial value
= 57.7 pounds - 67.8 pounds
= -10.1 pounds
Step 2: Calculate the relative change:
Relative change = (Absolute change / Initial value) * 100
= (-10.1 pounds / 67.8 pounds) * 100
≈ -14.9%
The absolute change is -10.1 pounds, indicating a decrease in per person consumption of beef.
The relative change is approximately -14.9%, indicating a decrease of approximately 14.9% in per person consumption of beef from 2000 to 2020.
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Consider a tech company that wants to offer free breakfast to its employees if their confidence interval shows it will decrease the
proportion of employees who skip breakfast.
Each interval shows the difference in proportion of p₁ - P2 where p₁ represents the employees who skip breakfast when free
breakfast is offered and p2 represents the employees who skip breakfast when free breakfast is not offered. Determine if there is
enough evidence to suggest that offering free breakfast results in an increase in the proportion of employees who don't skip
breakfast.
(-0.44,-0.16)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
(-0.25, 0.05)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
(-0.23, 0.15)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
Answer:
Step-by-step explanation:
In this scenario, the confidence interval represents the possible range of differences in the proportion of employees who skip breakfast when free breakfast is offered and when it's not. A confidence interval that does not include zero indicates that there is statistically significant evidence to suggest a difference in proportions between these two groups.
Therefore, for the first interval (-0.44,-0.16), since it does not include zero, we can be confident that offering free breakfast results in a decrease in the proportion of employees who skip breakfast.
For the second interval (-0.25, 0.05), since it contains zero, we cannot be confident that there is a difference in the proportion of employees who skip breakfast between the two groups.
Similarly, for the third interval (-0.23, 0.15), since it contains zero, we cannot be confident that there is a difference in the proportion of employees who skip breakfast between the two groups.
So, the correct answer is:
For the interval (-0.44,-0.16), we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
For the intervals (-0.25, 0.05) and (-0.23, 0.15), our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
Solve 7x+23x-5=6(5x+8). Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
OA. x=
OB. The equation has infinitely many solutions.
OC. The equation has no solution.
Last week, there were 40 problems assigned for math homework. Nisa did 55% of them correctly. How many problems did Nisa get right?
Answer:
she get 22 percent 22/40 is 40 she is bad XD
A research organization reported that 41 percent of adults who were asked to describe their day responded that they were having a good day rather than a typical day or a bad day. To investigate whether the percent would be different for high school students, 600 high school students were randomly selected. When asked to describe their day, 245 students reported that they were having a good day rather than a typical day or a bad day. Do the data provide convincing statistical evidence that the proportion of all high school students who would respond that they were having a good day is different from 0.41 ?
A) No, because the p value is less than any reasonable significance level
B) No, because the pvalue is greater than any reasonable significance level
C) Yes, because the p-value is less than any reasonable significance level
D) Yes, because the pvalue is greater than any reasonable significance level
E) Yes, because the expected value of the number of students who will report having a good day is 246, not 245.
Answer:
B) No, because the p-value is greater than any reasonable significance level
Step-by-step explanation:
H-null: p = 0.41
H-alt: p =/= 0.41
1 proportion Z test
On a calculator: stat + tests + 5
p: .41
x: 245
n: 600
prop: =/= p
This gives a p-value = .934
(standard significance level is .05, so this p-value is much larger)
fail to reject H-null
If the p-value is much larger than 0.41 then the null hypothesis is rejected. Then the correct option is B.
What are null hypotheses and alternative hypotheses?In null hypotheses, there is no relationship between the two phenomenons under the assumption or it is not associated with the group. And in alternative hypotheses, there is a relationship between the two chosen unknowns.
A research organization reported that 41 percent of adults who were asked to describe their day responded that they were having a good day rather than a typical day or a bad day.
To investigate whether the percentage would be different for high school students, 600 high school students were randomly selected.
When asked to describe their day, 245 students reported that they were having a good day rather than a typical day or a bad day.
Null hypotheses
p = 0.41
Alternative hypotheses
p ≠ 0.41
The p-value will be given as
p-value = 0.934
The p-value is much larger than p.
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Tabitha has loaf of bread. If she slices the bread into 9 equal pieces, what fraction of the total loaf of bread will each piece be?
Answer:
1/9
Step-by-step explanation:
Is (6, 0) a solution to the equation y = 8x?
Answer:
no
Step-by-step explanation:
(6,0) would be 0 = 8(6), so no
Find the mean value of y =x^2 in the interval of x=1 to x=3
Answer:
5
i think this is the answer, since you said x = 1 and x = 3
Step-by-step explanation:
so we substitute them
also the mean means average, to find the mean add all the numbers then divide by how many. anyways...
y = 1^2
y = 1
y = 3^2
y = 9
we now write them:
(1 + 9) / 2
10 / 2
5
Find the value of x in the triangle shown below.
=
२०
14
14
50°
18
Answer:
x = 87
Step-by-step explanation:
37 + 56 = 93
triangles always equal to 180
180 - 93 = 87
You can use the notation P(A), read “the probability of event B, given event A” to write a
A. Probability distribution
B. Frequency table
C. Conditional probability
D. Cumulative probability
You can use the notation P(A), read “the probability of event B, given event A” to write a conditional probability. The correct answer is C.
Conditional probability refers to the probability of one event occurring given that another event has already occurred. In this case, we are interested in the probability of event B occurring given that event A has already occurred, and we can represent this using the notation P(B|A), where '|' means 'given'.
For example, let's say we are interested in the probability of getting a head on a coin toss (event B), given that the coin was flipped and landed on heads (event A). We could represent this using the notation P(B|A). The value of P(B|A) would be 1, because if the coin already landed on heads, then the probability of getting a head on the next flip is certain.
Conditional probability is an important concept in probability theory and is often used in real-world applications, such as predicting the likelihood of a disease given certain symptoms, or the probability of an event occurring given certain conditions.
The correct answer is C.
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It Quiz: Graphs and Measurement
Diana is making enough soup to feed 9 people. She plans to serve all of the soup to her guests in 6-ounce bowls.
In order to make enough soup, she needs to add a total of 4.75 cups of water. There are 8 ounces in a cup.
How many total ounces of water did Diana add to her soup? What is the total number of ounces of the other
ingredients in her soup? Explain how you found your answers.
Type your answer in the box below.
mentum
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11:
Answer:
1. 57/16 or 3.5625 ounces of water
8 : 4.75
1 : 19/32 -----> divide both by 8
19/32x6=57/16 = 3.56 ounces
2. 2.4375 ounces of other ingredients
6-3.5625=2.4375