Answer: 9/2
Step-by-step explanation:
To express 0.27 and 0.06 as fractions, we first need to convert them to fractions with denominators that are powers of 10. We can do this by multiplying 0.27 by 100 to get 27/100, and multiplying 0.06 by 100 to get 6/100. The ratio of 0.27 to 0.06 is then equal to the ratio of 27/100 to 6/100, which simplifies to 27/6. To express this ratio in simplest form, we can divide both the numerator and denominator by the greatest common factor of 27 and 6, which is 3. This gives us a simplified fraction of 27/6 = 9/2.
Expand & simplify
(x + 3) (x+ 1)
Use the graph to answer the question.
Graph of polygon ABCDE with vertices at negative 2 comma 5, negative 2 comma 8, 2 comma 8, 2 comma 5, 0 comma 3. A second polygon A prime B prime C prime D prime E prime with vertices at 10 comma 5, 10 comma 8, 6 comma 8, 6 comma 5, 8 comma 3.
Determine the line of reflection.
Reflection across the x-axis
Reflection across the y-axis
Reflection across x = 4
Reflection across y = 6
The line of reflection is given as follows:
Reflection across x = 4.
How to obtain the line of reflection?The coordinates of the original shape are given as follows:
A(-2, 5), B(-2, 8), C(2, 8), D(2, 5), E(0,3).
The coordinates of the reflected shape are given as follows:
(10, 5), (10, 8), (6, 8), (6,5), (8,3).
Comparing the coordinates of the original shape and the reflected shape, we have that:
The x-coordinates were changed.The y-coordinates remained constant.As the x-coordinates were changed, not just the sign but the value, we have that the figure was reflected over a vertical line, which is given by x = 4.
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Assuming a linear relationship, find the missing value in the table below.
The value of y is 41 using Linear Relationship.
What is a Linear Relation ?A straight-line link between two variables is referred to statistically as a linear relationship (or linear association). Both a graphical representation of a linear connection, in which the variable and constant are connected by a straight line, and a mathematical representation, in which the dependent variable is determined by multiplying the independent variable by the slope coefficient and a constant.
A polynomial or non-linear (curved) connection can be contrasted with a linear relationship.
A straight-line link between two variables is referred to statistically as a linear relationship (or linear association).Linear connections can be represented graphically or mathematically as the equation y = mx + b.In daily life, linear connections are pretty typical.In the relation when x = 1 y = 5 and x=2 y = 14
So for 1 increse in x y is incresing by 9
so from x=4 y= 32 to x= 5
Y will be 32 + 9 = 41
The value of y is 41 using Linear Relationship.
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how do i solve for this?
line segment GJ is a diameter of circle L.Angle K measures (4x+6)°
what is the value of x?
21
24
32
44
Answer:
A. 21
Step-by-step explanation:
Recall: inscribed angle in a semicircle equals 90°
m<K is an inscribed angle in a semicircle = (4x + 6)°
Therefore,
4x + 6 = 90°
Solve for x. Subtract both sides by 6
4x + 6 - 6 = 90 - 6
4x = 84
Divide both sides by 4
4x/4 = 84/4
x = 21
If the probability of being hospitalized during a year is 0.25, find the probability that no one in a family of five will be
hospitalized in a year.
The probability that no one in a family of five will be hospitalized in a year 0.2373 .
Probability is a measure of the likelihood that an event will occur. Many events cannot be predicted with complete certainty. We can only predict the probability that an event will occur .Probabilities can range from 0 to 1. 0 means the event is not possible, 1 indicates the specific event. The formula for probability is given by P(E) + P'(E) = 1 ...(1) where P(E) is the event will happenLet P(E) denote the probability of being hospitalized during a year and P'(E) the probability of not being hospitalized during a year
Then , using equation (1) , we get
\(0.25+P'(E)=1\\P'(E)=1-0.25\\P'(E)=0.75\)
The probability that no one in a family of five will be hospitalized in a year is equal to \((P'(E))^n\) where n is the number of member .
\((P'(E))^n=(0.75)^5\\(P'(E))^n=0.2373\)
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Find the measure of the indicated angle.
99⁰
96⁰
98⁰
92°
L
120°
K
N
M
64
Answer:
? = 92°
Step-by-step explanation:
the chord- chord angle ? is half the sum of the measures of the arcs intercepted by the angle and its vertical angle, that is
? = \(\frac{1}{2}\) (LM + AK) = \(\frac{1}{2}\) (120 + 64)° = \(\frac{1}{2}\) × 184° = 92°
Rick wishes to purchase a new car and can afford monthly payments of up to $275
per month. Finance is available and the terms are that the loan lasts for 6 years, and
the annual interest rate is 8%. What is the maximum price for at car that Ryan's
budget can afford?
Round your answer to the nearest hundred dollars.
I need help!!
Answer:
200?
Step-by-step explanation:
It is felt that respondents are more likely to be honest when a randomized response survey is used. Subsequently, a substance-abuse prevention program at a university has designed and distributed the following questionnaire to all the employees and students: Flip a coin. If the coin comes up heads, answer Question a; if tails, answer Question b. All answers are anonymous. a. Do you carpool to the school
Answer:
hello your question is incomplete below is the complete question
answer : 18%
Step-by-step explanation:
x = percentage using illicit drugs
sample size = 5000
number of persons with a yes = 1200
also management knows that 30% uses carpool
∴P ( yes ) = P( H and yes to carpool ) + P( T and yes to illicit drug use )
1200 / 5000 = (0.5 * 0.3 ) + ( 0.5 * x )
0.24 = 0.15 + 0.5 x
hence x ( percentage using illicit drug ) = ( 0.24 - 0.15) / 0.5 = 0.18 = 18%
solve systems of equations
x+4y=-8
x-4y=-8
Answer:
The required answer must be X = -8
An important part of the customer service responsibilities of a company relates to the speed with which troubles in residential service can be repaired. Suppose that past data indicate that the likelihood is 0.70 that service troubles can be repaired on the same day they are reported. For the first five troubles reported on a given day, what is the mean of the distribution used in this problem?
Select one:
A.
350
B.
3.5
C.
0.35
D.
0.7143
E.
3500
The mean of the distribution used in this problem is 3.5.The answer is B. 3.5.
To find the mean of the distribution used in this problem, we need to calculate the expected number of troubles that can be repaired on the same day out of the first five reported. The likelihood of a trouble being repaired on the same day is given as 0.70.
The expected number of troubles repaired on the same day can be calculated by multiplying the probability of each event by the number of trials. In this case, we have five trials (the first five troubles reported) and a probability of 0.70 for each trial.
Expected number of troubles repaired on the same day = Probability of repair on the same day * Number of trials
= 0.70 * 5
= 3.5
This means that, on average, out of the first five troubles reported, we can expect 3.5 of them to be repaired on the same day based on the past data and the given likelihood. So, the correct answer is B. 3.5.
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PLEASE HELP ME ASAP
What is the slope of the line passing through (0, 5) an d(-12, 2) ?
Enter your answer in the box.
Answer:
Slope = 0.25
Step-by-step explanation:
m= -3 / -12 = -1 / -4 = 0.25
distance between x's = 12
distance between y's = 3
hope this helped thank you!
Write an equivalent expression. 4x - x
Answer:
5x-2x
Step-by-step explanation:
4x-x = 3x
so,
5x-2x = 3x
The equivalent expression would be; 5x-2x
What are equivalent expressions?Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.
We are given that the expression as; 4x - x
We need to find an equivalent expression.
Therefore, solving further;
4x-x = 3x
Thus, we can also create one expression as;
5x-2x = 3x
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A paint manufacturer discovers that the mean volume of paint in a gallon-sized pail is 1 gallon with a standard deviation of 0.05 gallons. The paint volumes are approximately bell-shaped. Estimate the percent of pails with volumes between 0.95 gallons and 1.05 gallons.
Answer:
Approximately 68%.
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
Approximately 68% of the measures are within 1 standard deviation of the mean.
Approximately 95% of the measures are within 2 standard deviations of the mean.
Approximately 99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 1, standard deviation = 0.05.
Estimate the percent of pails with volumes between 0.95 gallons and 1.05 gallons.
0.95 = 1 - 0.05
1.05 = 1 + 0.05
So within 1 standard deviation of the mean, which by the Empirical Rule, is approximately 68% of values.
68.29% of pails have volumes between 0.95 gallons and 1.05 gallons.
Z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
\(z=\frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean, \sigma=standard\ deviation\)
Given that:
μ = 1, σ = 0.05
\(For\ x=0.95:\\\\z=\frac{0.95-1}{0.05} =-1\\\\For\ x=1.05:\\\\z=\frac{1.05-1}{0.05} =1\)
P(0.95 < x < 1.05) = P(-1 < z < 1) = P(z < 1) - P(z < -1) = 0.8413 - 0.1587 = 68.29%
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Assume that the probability of a driver getting into an accident is 7.1%, the
average cost of an accident is $14,886.05, and the overhead cost for an
insurance company per insured driver is $110. What should the driver's
insurance premium be?
O A. $1276.27
O B. $1242.93
O C. $1165.49
O D. $1156.43
Answer:
C - $1165.49
Step-by-step explanation:
We have that the probability of a driver getting into an accident = 7.1% i.e. 0.071.
Now, the average cost of an accident = $14,886.05
Then, the expected cost of an accident = $14,886.05 × 0.071 = $1056.91
As, the overhead cost for insurance = $110
Therefore, the driver's insurance premium = $1056.91 + $110 = $1166.91
Since, the closest option to $1166.91 is option C.
Hence, the driver's insurance premium will be $1165.49.
the driver's insurance premium will then be,
⇒ $1166.91
What is mean by Percentage?
A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
To Calculate the percent of a number , divide the number by whole number and multiply by 100.
Now, The following can be deduced from the question:
Average cost of an accident = $14,886.05
Probability of a driver getting into an accident = 7.1%
= 7.1/100
= 0.071.
Overhead cost for insurance = $110
Therefore, the expected cost of an accident will be calculated as:
= Average cost of an accident × Probability of a driver getting into an accident
= $14,886.05 × 0.071
= $1056.91
Therefore, the driver's insurance premium will then be:
= $1056.91 + $110
= $1166.91
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PLEASE HELP!! Write the proportion. 120 feet is to 150 feet as 8 feet is to 10 feet. (18 points!!)
Answer:
4 : 5
Step-by-step explanation:
you can divide 120 and 150 by 30 and 8 and 10 by 2.
120/30 = 4
150/30 = 5
8/2 = 4
10/2=5
Answer: 4:5
Step-by-step explanation:
solve the following inequality for z. write your answer in simplest form. -9-(2z-7)>-2z-6-5z
Answer:
z > -4/5
Step-by-step explanation:
-9 - (2z - 7) > -2z - 6 - 5z
Get rid of the parenthesis
*There is the number one in front of the parenthesis.-9 - 2z + 7 > -2z - 6 - 5z
Combine like terms:
-2 - 2z > -7z - 6
+2 > +2
Add 2 to both sides.
-2z > -7z - 4
+7z > +7z
Add 7 to both sides.
5z > -4
Divide both sides by 5 to get z.
z > -4/5
The sign stays the same unless you divide by a negative number---------------------------------
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What is the slope please help
A spherically shaped hot air balloon has a
diameter of about 27 meters when fully inflated.
What is the volume of the hot air balloon when it
is fully inflated?
Answer: 7725.5775
Step-by-step explanation:
d=27
r=d/2=27/2=13.5
the volume of the spherical balloon= 3.14*r^3
= 3.14*(13.5)^3
= 7725.5775
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HELPPP FOR BRAINLEST????
Answer:
\(2,8,14,20\)
Step-by-step explanation:
If the first term of a sequence is \(2\) and the common difference is \(6\), then each successive term in the sequence is \(6\) more than the previous term:
\(a_n=6n-4\)
Therefore, the first term is \(2\), followed by \(8\), \(14\), and \(20\).
Find the indicated sides to the nearest thousandths and angles to the nearest degree. YOU MUST SETUP EQUATION AND SOLVE sin rule
Using Law of Sines
\(\frac{\sin(A)}{a}=\frac{\sin(B)}{b}=\frac{\sin (C)}{c}\)
The Law of Sines states that there is a proportional relationship between the angles and sides of an oblique triangle.
We see that we have two angles that we need to solve, and can label our triangle as such:
The angles are capital A, B, and C, whereas our sides are lowercase a, b, and c.
We need to find the angles first, and we can do so with our knowledge of one angle and the side directly across from it. We know both capital C and lowercase c, so let's create a proportion.
\(\begin{gathered} \frac{\sin(C)}{c}=\frac{\sin (B)}{b} \\ \frac{\sin(90)}{8}=\frac{\sin (B)}{4} \end{gathered}\)When we create a proportion, we cross-multiply our values.
\(4\sin (90)=8\sin (B)\)We need to get B by itself since that is what we are solving for.
\(\begin{gathered} \frac{4\sin(90)}{8}=\frac{8\sin (B)}{8} \\ \frac{4\sin(90)}{8}=\sin (B) \\ \sin (B)=\frac{4\sin(90)}{8} \end{gathered}\)Now, we use the inverse of sin, plug in the value, and solve for sin(B). You'll need a calculator for this part.
\(\sin ^{-1}(\frac{4\sin(90)}{8})=30\)This gives us the value for angle B, or angle y in the given diagram.
Now, we can simply add our two solved angles together and subtract them from 180 to find our third angle.
\(\begin{gathered} 90+30=120 \\ 180-120=60 \end{gathered}\)This means that our angle x is 60 degrees.
Finally, we need to set up one last proportion to find a, or the side adjacent to the right angle and vertical.
\(\begin{gathered} \frac{\sin(C)}{c}=\frac{\sin (A)}{a} \\ \frac{\sin(90)}{8}=\frac{\sin (30)}{a} \end{gathered}\)Once again, we cross multiply:
\(a\sin (90)=8\sin (30)_{}\)Then, we need to get a by itself.
\(\begin{gathered} \frac{a\sin(90)}{\sin(90)}=\frac{8\sin (30)}{\sin (90)} \\ a=\frac{8\sin(30)}{\sin(90)} \end{gathered}\)Then, we divide the two values and solve for a. Use a calculator and plug it in to solve.
\(\frac{8\sin (30)}{\sin (90)}=4\)Therefore, side a equals 4.
Our triangle will look like this:
Therefore, this is the final answer.
The angles are:
90 degrees
x = 30 degrees
y = 60 degrees
The sides are:
8 units
4 units
Unknown side = 4 units
Giving brainliest to correct answer!
Answer:
The answer is 1.
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
-9/6 ÷ -3/2 = -9/6 * -2/3 <--- Multiply by -3/2's reciprocal.
-9/6 * -2/3 = 18/18
Final Answer: 1
I hope this helps! :)
The sum of the first 8 terms of a geometric sequence with 4 as the first term and a common ratio of 3 is
9514 1404 393
Answer:
13120
Step-by-step explanation:
The sum of terms of a geometric series is ...
Sn = a1·(r^n -1)/(r -1)
You have n=8, a1=4, r=3, so the sum is ...
S8 = 4·(3^8 -1)/(3 -1) = 2(3^8 -1) = 13,120
Answer:
13 120Step-by-step explanation:
hope it helps u too
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Compare negative one and six tenths repeating and negative five thirds using symbols <, >, or =. negative one and six tenths repeating is less than negative five thirds negative one and six tenths repeating is greater than negative five thirds negative five thirds is equal to negative one and six tenths repeating negative five thirds is greater than negative one and six tenths repeating
Answer:
-1 6/10
is greater than
- 5/3
Step-by-step explanation:
Function f has a vertex. Can the function be increasing over its entire domain? Can it be decreasing over its entire domain? Explain.
Choose the correct answer below.
A. A function with a vertex is always increasing if the y-coordinate of the vertex is positive and is always decreasing if the y-coordinate of the vertex is negative.
B. A function with a vertex is constant. So, the function can neither be increasing nor decreasing.
C. A function with a vertex must switch from increasing to decreasing or vice versa at the vertex. So, the function cannot be only increasing or only decreasing over its
entire domain.
D. A function with a vertex can be always increasing as long as the function approaches positive infinity in both directions and can be always decreasing as long as the
function approaches negative infinity in both directions.
A function with a vertex must switch from increasing to decreasing or vice versa at the vertex. So, the function cannot be only increasing or only decreasing over its entire domain.
Given data ,
A function with a vertex, also known as a vertex form of a quadratic function, is a function of the form f(x) = a(x-h)^2 + k, where (h, k) represents the vertex of the parabola. The vertex is the point on the parabola where it changes direction from increasing to decreasing or vice versa.
It is impossible for a function with a vertex to increase continuously if its whole domain shows an increase in the function. Similar to the last example, a function with a vertex cannot decrease throughout its whole domain because that would imply that the function is constantly decreasing.
Hence , a function with a vertex must switch from increasing to decreasing or vice versa at the vertex, and it cannot be only increasing or only decreasing over its entire domain.
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Bill has 40 apples. Laurie has 8 times as
many apples.
If Laurie had 8 times as many apples as Bill's 40 apples, the equation would be 40 x 8. 40 x 8 = 320 :)
Answer:
320man zaans
Step-by-step explanation:
0.1 is 1/10 as much as
Answer:
10%
Step-by-step explanation:
Because 0.1 is equivalent to 1/10 and 10%
A mile is about 6 x 104
inches. An
average human hair is 3 x
10-3 inches
thick. About how many
times longer is a
mile than a human hair?
Answer:
Step-by-step explanation:
Given parameters:
1 mile = 6 x 10⁴ inches
Average human hair = 3 x 10⁻³ inches
Unknown:
How many times longer is a mile than a human hair;
Solution:
Since we know that a mile 6 x 10⁴ inches , we can compare this quantity to the human hair;
Number of times = \(\frac{6 x 10^{4} }{3 x 10^{-3} }\)
Number of times = 2 x 10⁴⁺³
Number of times = 2 x 10⁷
So, a mile is 2 x 10⁷ times longer than the human hair.
a certain radioactive isotope has leaked into a small stream. one hundred days after the leak 8% of the original amount of substance remained. Determine the half life of this radioactive isotope
Answer:
The half-life of a radioactive substance is the time it takes for half of the initial amount of the substance to decay. We can use the fact that 8% of the original amount remains after 100 days to determine the half-life of the isotope.
Let's assume that the initial amount of the substance is 1 unit (it could be any amount, but we're assuming 1 unit for simplicity). After one half-life, half of the original amount remains, or 0.5 units. After two half-lives, half of the remaining amount remains, or 0.25 units. After three half-lives, half of the remaining amount remains, or 0.125 units. We can see that the amount of substance remaining after each half-life is half of the previous amount.
We can use this information to set up the following equation:
0.08 = (1/2)^n
where n is the number of half-lives that have elapsed. We want to solve for n.
Taking the logarithm of both sides, we get:
log(0.08) = n*log(1/2)
Solving for n, we get:
n = log(0.08) / log(1/2) = 3.42
So the number of half-lives that have elapsed is approximately 3.42. Since we know that 100 days is the time for three half-lives (from the previous calculation), we can find the half-life by dividing 100 days by 3.42:
Half-life = 100 days / 3.42 = 29.2 days (rounded to one decimal place)
Therefore, the half-life of the radioactive isotope that leaked into the stream is approximately 29.2 days.
what are two numbers have a product of 20 and a sum of 9
Answer:
Step-by-step explanation: