Answer:
40
Step-by-step explanation:
Answer:
9.0
Step-by-step explanation:
\(\sqrt{9\times9}\)
Calculate
\((9\times9)^\frac{1}{2}\)
Calculate the product or quotient
\({81}^\frac{1}{2}\)
Simplify using \(a^\frac{m}{n}=\sqrt[m]{a^n}\)
\(\sqrt{81}\)
Factor and rewrite the radicand in exponential form
\(\sqrt{9^2}\)
Simplify the radical expression
\(9\)
Round 9 to the required place
\(9.0\)
I hope this helps you
:)
2 apples for $1.50 and 8 apples for $6.50, is this a proportional relationship?
Answer:
no
Step-by-step explanation:
$1.50×8=12$ US$ so 12$ for 8ap or 6.50$ for 8ap
Name Line / Line Segment / RayJol 27, 11:33:13 AMName the figure below in two different ways.QSymbol:andSubmit Answer
Answer:
Symbol: ↔
LQ and QA
Explanation:
To name the figure, we need to use the symbol for line, so the symbol is the following
↔
Then, to name the figure, we can use two points in the line. Therefore, we can name the figure as:
LQ, QA, or LA
Because L, Q, and A are points in the line.
The probability that a bus is on time is 0.75. Sarah takes the bus to school two days a week. Calculate the probability the bus is late on each of those days
The probability the bus is late on each of those days will be 0.0625.
How to calculate the probability?It should be noted that the probability that a bus is on time is 0.75. The probability that it's late will be:
= 1 - 0.75
= 0.25
Therefore, the probability the bus is late on each of those days will be:
= 0.25 × 0.25
= 0.0625
Therefore, the probability is 0.25.
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You bought a magazine for $3and some candy bars for $2 each. You spent a total of $19.How many candy bars did you buy?
Answer:
8
Step-by-step explanation:
19 - 3 = 16
16÷2 = 8
You bought 8 candy bars
Answer:
8
Step-by-step explanation:
You First have spent 3$ on a magazine then $2 for each candy bar in total u had 19$ spent so first u mulitply 8x2 which 16 now 16 + 3=19
please help ASAP..
What’s an expression that has the value of -3 and contains only positive numbers?
The equation "x + 3 = 0" is an expression that has the value of -3 and contains only positive numbers.
In the equation "x + 3 = 0," the goal is to find the value of "x" that satisfies the equation. By isolating the variable "x," we can determine the solution.
We start with the equation "x + 3 = 0" and subtract 3 from both sides, if we subtract 3 from both sides of the equation, we get:
x + 3 - 3 = 0 - 3
x = -3
Thus, in this case, the variable "x" represents the value -3, which is negative. However, the expression itself "x + 3" contains only positive numbers (3 being positive), while the resulting value of -3 comes from solving the equation.
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Who is correct Finn or Fiona
Answer:
Finn is correct
Step-by-step explanation:
When a figure is dilated to create a larger image, the scale factor will be greater than one, but just because a number is a fraction doesn't necessarily mean that it is less than one. For example, the scale factor could have been 5/4 and that is just as possible as any other whole number. (Even so, it depends on what you're learning. Sometimes when teachers introduce fractions they define it as a number smaller than one, but you can always use the 5/4 example to explain your answer if this is the case for you)
i hope this answer helped you! please lmk if i made a mistake :)
let f(x) = x3 − 2x2. find the point(s) on the graph of f where the tangent line is horizontal.
Answer:
x=0 and x=4/3
Step-by-step explanation:
The tangent line will be horizontal at the points where \(f'(x)=0\):
\(f(x)=x^3-2x^2\\f'(x)=3x^2-4x\\0=3x^2-4x\\0=x(3x-4)\\x=0,\frac{4}{3}\)
Thus, at x=0 and x=4/3, the tangent line will be horizontal at those points.
Given h(x) = 5x + 2, find h(-6)
Answer: h (-6) = -28
Step-by-step explanation:
1. Plug -6 into x in the function: h(-6) = 5×(-6)+ 2
2. Solve: h(-6) = -30 + 2
h(-6) = -28!
I hope this helped :)
By substituting the given value of h into the function, the value of h(-6) is 28
Given the function :
h(x) = 5x + 2To Obtian the value of h(x) for any given value of x ; substitute the value of x into the function ;
For h(-6) :
x = - 6
h(-6) = 5(-6) + 2
h(-6) = -30 + 2
h(-6) = - 28
Hence, the value of h(-6) is 28
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find the slope of (-7,2) and (-4,1)
Answer:
-1/3
Step-by-step explanation:
Use the formula \(\frac{y_{2} -y_{1} }{x_{2} -x_{1} }\) to find the slope given the 2 points:
1-2
------
-4-(-7)
-1/3 is your slope
At one college, GPAs are normally distributed with a mean of 2.4 and a standard deviation of 0.3. What percentage of students at the college have a GPA between 2.1 and 2.9?
Approximately 79.38% of students at the college have a GPA between 2.1 and 2.9.
To find the percentage of students with a GPA between 2.1 and 2.9, we'll use the following terms: mean, standard deviation, and z-scores.
Here's the step-by-step explanation:
1. Given: Mean (μ) = 2.4 and Standard Deviation (σ) = 0.3
2. Find the z-scores for 2.1 and 2.9 using the formula: z = (x - μ) / σ - For 2.1: z1 = (2.1 - 2.4) / 0.3 = -1 - For 2.9: z2 = (2.9 - 2.4) / 0.3 = 1.67
3. Look up the corresponding probabilities in the standard normal distribution table (also known as the z-table) for each z-score: - For z1 = -1: Probability = 0.1587 - For z2 = 1.67: Probability = 0.9525
4. Subtract the probability of z1 from the probability of z2: 0.9525 - 0.1587 = 0.7938
So, approximately 79.38% of students at the college have a GPA between 2.1 and 2.9.
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Convert 15 kilometers per hour to meters per second.
25 meters per second
4.2 meters per second
54 meters per second
9 meters per second
Answer:
54
Step-by-step explanation:
multiply the speed value by 3.6
Answer:
The answer above is wrong!! The right answer is actually 4.2 Meters per second
Step-by-step explanation:
When I put 54 the question came up as wrong but when I put 4.2 it showed up as right :)
SOLVE WITH STATEMENT/REASONING
URGENT WILL GIVE BRAINLIEST
Answer:
Answer below
Step-by-step explanation:
Two small metal spheres are 35. 1 cm apart. The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n. What is the charge on each sphere?
Two small metal spheres are 35. 1 cm apart. The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n. The charge on each sphere \(Q = 1.4 \times 10^{-12}\) c.
What is coulombs law?According to coulombs law force between two charges is given by
\(F = \dfrac{1}{4\pi \epsilon }\dfrac{Qq}{r^2}\)
Here, R is the distance between both the charges Q and q.
Two small metal spheres are 35. 1 cm apart.
The spheres have equal amounts of negative charge and repel each other with forces of magnitude 0. 0360 n.
We have given force F =0.036 N
R is the distance between both the charges which is given as 25 cm
So
\(F = \dfrac{1}{4\pi \epsilon }\dfrac{Qq}{r^2}\)
\(0.036 = \dfrac{1}{4\times 3.14\times 8.85\times 10^{-12} }(\dfrac{Q^2}{35. 1})\)
\(Q = 1.4 \times 10^{-12}\) c
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answer this pls
Shjagsjagwhgsjsshjwgsjsghsfebsgdbgebsbsgshab
6/3 + -1/6 reduce this equation to the simplest form
Answer:
12/6-1/6=11/6 simplified to 1 5/6
Step-by-step explanation:
to make this easier make sure all fractions have the same denominator 6/3x2/2=12/6 since they now have the same denominator add 12/6+-1/6=11/6
adding a negative(6/3+-1/6) is the same as subtracting a positive(6/3-1/6)
Answer:
1 5/6
hope this helps :)........
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value. x² + 2x-3 X-1 X-1 O A. Does not exist B. 4 oc. 2 OD. 0
The correct answer is B. 4.To determine whether the limit of the function f(x) = (x² + 2x - 3)/(x - 1) exists, we can analyze the behavior of the function as x approaches 1. By evaluating the limit from both the left and the right of x = 1 and comparing the results, we can determine whether the limit exists and find its value.
Let's consider the limit as x approaches 1 of the function f(x) = (x² + 2x - 3)/(x - 1). We can start by plugging in x = 1 into the function, which gives us an indeterminate form of 0/0. This suggests that further analysis is needed to determine the limit. To investigate further, we can simplify the function by factoring the numerator: f(x) = [(x - 1)(x + 3)]/(x - 1). Notice that (x - 1) appears both in the numerator and the denominator. We can cancel out the common factor, resulting in f(x) = x + 3.
Now, as x approaches 1 from the left (x < 1), the function f(x) approaches 1 + 3 = 4. Similarly, as x approaches 1 from the right (x > 1), f(x) also approaches 1 + 3 = 4. Since the limits from both sides are equal, we can conclude that the limit of f(x) as x approaches 1 exists and its value is 4. Therefore,
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d/dx(pu δ) = d/dx (rd δ/dx)
Integrate the 1D steady state convection diffusion equation over a typical cell. Use the nomenclature from class.
The first term on the left-hand side represents the flux of the quantity D(pu δ) across the cell boundaries, and the second term represents the change of this flux within the cell.
To integrate the 1D steady-state convection-diffusion equation over a typical cell, we can start with the given equation:
D/dx(pu δ) = d/dx (rd δ/dx)
Here, D is the diffusion coefficient, p is the velocity, r is the reaction term, u is the concentration, and δ represents the Dirac delta function.
To integrate this equation over a typical cell, we need to define the limits of the cell. Let's assume the cell extends from x_i to x_i+1, where x_i and x_i+1 are the boundaries of the cell.
Integrating the left-hand side of the equation over the cell, we have:
∫[x_i to x_i+1] D/dx(pu δ) dx = D∫[x_i to x_i+1] d(pu δ)/dx dx
Using the integration by parts technique, the integral can be written as:
= [D(pu δ)]_[x_i to x_i+1] - ∫[x_i to x_i+1] d(D(pu δ))/dx dx
Similarly, integrating the right-hand side of the equation over the cell, we have:
∫[x_i to x_i+1] d/dx (rd δ/dx) dx = [rd δ/dx]_[x_i to x_i+1]
Combining the integrals, we get:
[D(pu δ)][x_i to x_i+1] - ∫[x_i to x_i+1] d(D(pu δ))/dx dx = [rd δ/dx][x_i to x_i+1]
This equation can be further simplified and manipulated using appropriate boundary conditions and assumptions based on the specific problem at hand.
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Nate is creating a PSA about building a "green” roof. Which source is most reliable for his research? a blog post written by a community gardener a .com website that advertises fertilizer a .gov or .org website about ecological roofs a book featuring photos of different styles of roof
Answer:
Nate wants to use a .org (or .gov) site about ecological roofs, a book featuring photos of different styles of room because
1. It specifically talks about green roof's
2. Unlike the blog post, the .org/.gov is not attempting to sell a product that may change how the article is written.
Nate wants to use a .org (or .gov) site about ecological roofs, a book featuring photos of different styles of rooms because It talks explicitly about green roofs.
What is a survey?A survey is research done by any company or an organisation on the group of people or their activity or on any other data like their sells etc to find out the valuable information from that data.
Nate wants to use a .org (or .gov) site about ecological roofs, a book featuring photos of different styles of rooms.
1. It specifically talks about green roofs
2. Unlike the blog post, the .org/.gov is not attempting to sell a product that may change how the article is written.
Therefore Nate wants to use a .org (or .gov) site about ecological roofs, a book featuring photos of different styles of rooms because It talks explicitly about green roofs.
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Karen Gaines invested $12,000 in a money market account with an interest rate of 2.25% compounded semiannually. Six years later, Karen withdrew the full amount to put toward the down payment
on a new house. How much did Karen withdraw from the account?
(Round to the nearest cent as needed.)
Answer:
$13,724
Step-by-step explanation:
From the above question, we are given the following values:
Principal = P = $12,000
Interest = r = 2.25% = 0.0225
Compounded semi annually = n = 2
Time (t) = 6 years
From the question, we understand that we are to find the total (full) Amount Karen withdrew.
The formula to use to calculate the Total Amount of money given that this is a compound interest question is:
Total(full) Amount = P( 1 + r/n) ^n/t
= $12,000( 1 + 0.0225/2) ^2×6
= $12,000(1.01125)^12
= $13724.093289
Approximately to the nearest cent
≈ $13,724
Therefore, Karen withdrew $13,724 from the account.
Karen Gaines invested $14000 in a money market account with an interest rate of 2.75% compounded semiannually. Six years later, Karen withdrew the full amount to put toward the down payment
Round to the nearest cent as needed.)
3x ft
1.5x ft
x ft
180 ft
What is the S12 of the geometric sequence? Round to the nearest whole number.
SOLUTION
We were given the geometric sequence 16, 24, 36, 54 and we are told to find
\(S_{12}\)This means to find the sum of the first 12 terms.
From the sequence
\(\begin{gathered} \text{the first term a = 16} \\ \text{the common ratio r = }\frac{24}{16}=\frac{3}{2} \\ n\text{umber of terms n = 12} \end{gathered}\)Sum of a geometric sequence is given as
\(\begin{gathered} S_n=\frac{a(r^n-1)}{r-1} \\ \text{since r }>\text{ 1} \end{gathered}\)So, we have
\(\begin{gathered} S_n=\frac{a(r^n-1)}{r-1} \\ S_{12}=\frac{16((\frac{3}{2})^{12}-1)}{\frac{3}{2}-1} \\ S_{12}=\frac{16(128.7464)}{0.5} \\ S_{12}=4119.8848 \end{gathered}\)Hence to the nearest whole number, the answer is 4,120 second option
Jeb is the local tennis pro at the country club, and he needs to know at what height the tennis ball needs to be when he hits it so he can clear a 0.3 meter net from 20 meters away, and have the ball land 4 meters on the other side. Find the height at which Jeb needs to hit the ball.
Answer:
The height from ground, at which Jeb needs to hit the ball is 7.8 meters
Step-by-step explanation:
The given parameters are;
The distance away the tennis ball is hit = 20 meters;
The height of the tennis net = 0.3 m
The distance from the net the ball lands = 4 meters
The time the ball takes to land from the 0.3 m net height is given as follows;
t = √(h/(1/2×g)) = √(0.3/(1/2 × 9.8)) ≈ 0.2474
t ≈ 0.2474 seconds
The speed of the ball = Distance/Time = 4/0.2474 ≈ 16.166
The speed of the ball ≈ 16.166 m/s
The time it takes the ball to reach the net = 20/16.166 ≈ 1.24
The time it takes the ball to reach the net, tₓ ≈ 1.24 seconds
The height, hₓ the ball falls in 1.24 seconds is given as follows;
hₓ = 1/2·g·tₓ² = 1/2 × 9.8 × 1.24² = 7.5
The height, hₓ the ball falls in 1.24 seconds = 7.5 m
The height the ball falls in the time taken to reach the net from 20 meters = The height, hₓ the ball falls in 1.24 seconds
Therefore, the height at which Jeb needs to hit the ball = The height the ball falls in the time taken to reach the net from 20 meters + The height of the net = 7.5 m + 0.3 m = 7.8 m
The height at which Jeb needs to hit the ball = 7.8 m
A 20-ft ladder is placed against the side of a house. The bottom of the ladder is 12 feet from the house. How high up will the ladder reach on the wall?
Use Pythagorean theorem to solve this problem.
\(a^{2}\ +\ b^{2}=c^{2}\\\\b^{2}=20^{2}-12^{2}\\\\b^{2}=400-144\\\\\sqrt{b^{2}} =\sqrt{256}\\\\b=16\ ft\)
The ladder will reach 16 ft up the wall.
The difference between the park and house of a student is 1Km 575m. Every day he walks both ways between the park and his house. Find the total distance covered by him in a week's time?
The student covers a total distance of 22.05 kilometers in a week's time, walking between the park and the house each day.
To find the total distance covered by the student in a week's time, we need to calculate the distance covered in one round trip (from the house to the park and back) and then multiply it by the number of round trips in a week.
Given that the difference between the park and house is 1 kilometer and 575 meters, we can convert it to a total distance of 1.575 kilometers.
In a round trip, the student covers twice the distance between the park and the house, which is 1.575 kilometers * 2 = 3.15 kilometers.
Now, we need to determine how many round trips the student makes in a week. Let's assume the student makes one round trip each day.
Since there are 7 days in a week, the total distance covered by the student in a week's time is 3.15 kilometers * 7 = 22.05 kilometers.
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Help plz I'll give you brainliest if it's right
Answer:
g = 128 deg
k = 97 deg
h = 52 deg
m = 83 deg
By using vertical angles and by knowing how to solve for adjacent supplementary angles, you can find the answer.
g: 128 deg (vertical angles; opposite side is congruent)
k: 97 deg (vertical angles; opposite side is congruent)
h: 52 deg (supplementary angles = 180 deg; 180 - 128 = 52)
m: 83 deg (supplementary angles = 180 deg; 180 - 97 = 83)
PLEASE HELP THERE PICTURES i will choose brainliest answer
Answer:
question 3= C.
question 2= A.
question 1= seventy-two minus twelve, times less than 24 equals?
Step-by-step explanation:
smort mr clean 0-0
State if the two triangles are congruent. If they are, state how you know.
Are they
SSS OR SAS OR NOT CONGRUENT STATE HOW?
Answer:
1) SAS, 2) SAS, 3) SAS, 4) Not Congruent, 5) SSS, 6) SSS
Step-by-step explanation:
1) SAS - because the two tick marks match up, the right angle is shared, and the two triangles share one side
2) SAS - because the one tick mark matches up, the angles are shared, and the two triangles share one side
3) SAS - because the two tick marks match up, the angles are shared, and the two triangles share one side
4) Not Congruent - because the triangle on the left has the angle in between the tick marks while the triangle on the left does not have the angle in between the tick marks
5) SSS - because the two pairs of tick marks match up and the two triangles share a side
6) SSS - because the two pairs of tick marks match up and the two triangles share a side
hope that helps, good luck
It is found that the options are 1) SAS, 2) SAS, 3) SAS, 4) Not Congruent, 5) SSS, 6) SSS.
What is SAS similarity theorem?ΔABC ~ ΔDEF only if ratio of two sides of ΔABC and corresponding two sides of ΔDEF is equal and the angle included in both sides are congruent.
1) SAS similarity theorem proved that the two tick marks match up, the right angle is shared, and the two triangles share one side.
2) SAS similarity theorem proved that the one tick mark matches up, the angles are shared, and the two triangles share one side.
3) SAS similarity theorem proved that the two tick marks match up, the angles are shared, and the two triangles share one side.
4) Not Congruent, since the triangle on the left has the angle in between the tick marks while the triangle on the left does not have the angle in between the tick marks.
5) SSS similarity theorem proved that the two pairs of tick marks match up and the two triangles share a side.
6) SSS similarity theorem proved that the two pairs of tick marks match up and the two triangles share a side.
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Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. f(x)=2(x 2
+3)(x+1) 2
−3, multiplicity 1 , crosses the x-axis; −1, multiplicity 2 , crosses the x-axis None −1, multiplicity 2 , touches the x-axis and turns around -3, multiplicity 1 , crosses the x-axis; −1, multiplicity 2 , touches the x-axis and turns around. −1, multiplicity 2 , crosses the x-axis
The polynomial function \(\(f(x) = 2(x^2+3)(x+1)^2\)\) has zeros at -3 with multiplicity 1, and -1 with multiplicity 2. The graph of the function crosses the x-axis at -3 and -1.
To find the zeros and their multiplicities, we set \(\(f(x)\)\) equal to zero and solve for \(\(x\).\)
Setting \(\(f(x) = 0\),\) we have:
\(\[2(x^2+3)(x+1)^2 = 0\]\)
Since the product of two factors is zero, at least one of the factors must be zero. Thus, we solve for \(\(x\)\) in each factor separately:
1. \(\(x^2 + 3 = 0\):\)
This equation does not have real solutions since the square of a real number is always non-negative. Therefore, this factor does not contribute any real zeros.
2. \(\(x + 1 = 0\):\)
Solving for \(\(x\), we find \(x = -1\).\) This gives us a zero at -1 with multiplicity 1.
Since the factor \(\((x+1)^2\)\) is squared, the zero -1 has a multiplicity of 2.
Therefore, the zeros for the polynomial function are -3 with multiplicity 1 and -1 with multiplicity 2. The graph of the function crosses the x-axis at both zeros.
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25 points plus brainliest
Answer:
\(|4x+3|+7 < 10\)
Step-by-step explanation:
When you evaluate the expression, you get \(-\frac{3}{2} < x < 0\)
A fair 6-sided die is rolled 300 times. What is a reasonable prediction for the number of times the event of landing on an odd number will occur?
A. 150
B. 50
C. 175
D. 100
Answer:
A. 150
Step-by-step explanation:
Calculate the probability of landing on an odd number: 1/2.
Multiply the probability by the number of trials: (1/2) * 300.
Simplify the expression: 150.
Therefore, a reasonable prediction is that the event of landing on an odd number will occur 150 times out of the 300 rolls of the fair 6-sided die.