25% of what number is 39?

Answers

Answer 1

Answer:

156 is your answer

Step-by-step explanation:

I think hope it helps

Answer 2
Answer:156 PLEASE MARK ME AS BRAINLYEST

Related Questions

PLEASE ANSWER ASAP :)

Answers

Answer:

(x+6)( x^2 -2)

Step-by-step explanation:

x^3 +6x^2 -2x-12

We can factor by grouping

x^3 +6x^2      -2x-12

Factor x^2 out of the first group      and -2 out of the the second group

x^2 (x+6)  -2 (x+6)

Now factor out (x+6)

(x+6)( x^2 -2)

Check whether the given number is a
solution of the inequality.
4x + 2 = 14 x = 3

Answers

Answer:

TRUE

Step-by-step explanation:

x=3

4x + 2 = 14

4(3)+2=14

12+2=14

14=14

What number would you add to both sides of x - 20x = 5 to complete the square?

Answers

Answer:

100

Step-by-step explanation:

If you add 100 to both sides, you get "x^2-20x+100," which simplifies to (x-10)^2

WILL GIVE BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECTLY EXPLAIN HOW YOU ARE CORRECT

Answers

Answer:

D

Step-by-step explanation:

Since this is right triangle, we can use the Pythagorean Theorem.

a^2+b^2=c^2

where a and b are the legs, and c is the hypotenuse.

14 and 16 are the legs, because they form the right angle. x is the hypotenuse, because it is opposite the right angle.

14^2+16^2=x^2

Evaluate the exponents

196+256=x^2

Add

452=x^2

To get this is simplest radical form, find the greatest square root that divides evenly into 452

4 is the greatest square root. 4 times 113 equal 452

So, we have

[tex]\sqrt{4}\sqrt{113}[/tex]

Take the square root of 4

2[tex]\sqrt{113}[/tex]

So, choice D is correct.

answer : D




explanation: i just did this and got it right

Can someone help me figure out what this is?

Answers

Answer:

M = 84

Step-by-step explanation:

Opposite angles in a quadrilateral inscribed in a circle are supplementary

R+ M = 180

96+ M = 180

Subtract 96 from each side

96-96+M = 180-96

M =84

Answer:

Step-by-step explanation:

8

Can someone help me with this question

Answers

Answer:

15 & -15

Step-by-step explanation:

Answer:

x=+15/-15

Last answer is correct

Step-by-step explanation:

[tex] {x}^{2} = 225 \\ x = \sqrt{225} \\ x = 15[/tex]

Find the product of (4z2 + 7z - 8) and (-z + 3).
The product of (4z2 + 77 - 8) and (-Z + 3) is -423 +
Z - 24.

Answers

Answer: -4z3 + 5z2 + 29z - 24

Step-by-step explanation:

Answer:

5

29

Step-by-step explanation:

In the figure above, angles are as marked. The angle labeled with a measure of bº is an exterior angle. What is the measure of b?

Answers

Answer:

105

Step-by-step explanation:

First, solve for a

2a-15+2a+15+3a-5+a+5=360(Sum of interior angles of quadrilateral is 1360)

8a=360

a=360/8

a=45

Now,Look at the angles formed in straight line

b+2a-15=180(Sum of angles formed in a straight line is 180)

b+2×45=180+15

b=195-90

b=105

The probability of a chance event is 0.3, it is
to happen
when compared to a chance event with a probability of 0.4
Select one:
equally likely

less likely

both more and less likely

more likely

Answers

Answer:

less likely

Step-by-step explanation:

Lower probability = lower chance to happen

0.3 is less than 0.4

Answer:

2nd

less likely

Step-by-step explanation:


Evaluate.

42 + (
1
5
)2

A) 6
2
5
B) 8
2
25
C) 16
1
25
D) 16
2
25

Answers

Answer:

C

Step-by-step explanation:

Create a graph of the polynomial function g(x) = x3 + 2x2 − 9x − 18.

Answers

The graph is shown below

The blueprint for the Pelham​'s living room has a scale of 2 inches=5 feet. The family wants to use a scale of 1 inch=44 feet. What is the width of the living room on the new​ blueprint?

(the original width is 8)

Answers

Final answer:

Using the original scale of 2 inches = 5 feet, the living room is 20 feet wide. With the new scale of 1 inch = 44 feet, the width of the living room on the new blueprint would be 2.2 inches.

Explanation:

To solve this problem, one must first determine the actual width of the living room using the original scale. According to the original scale, 2 inches represent 5 feet. This would mean that the actual width of 8 inches would represent (8 / 2) * 5 = 20 feet. Now, set up a proportion with the new scale, which is 1 inch = 44 feet. If x is the width on the new blueprint, we would have x / 44 = 1 / 20, solving for x gives us x = 44 / 20 = 2.2 inches. Therefore, the width of the living room on the new blueprint would be 2.2 inches.

Learn more about Scale Conversion here:

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Which rational number falls between 7/8 and 6/9

A 15/31

B 3/17

C 53/72

D 7/12

Answers

6/9 = [6 * 8] / { 9 * 8] = 48/72
7/8 = [ 7*9] / [ [ 8 *9 ] = 63/72

C looks to be correct

Answer:

c 53/72

Step-by-step explanation:

NEED HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!
Bo and Erica are yoga instructors. Between the two of them, they teach 39 yoga classes each week. If Erica teaches 15 fewer than twice as many as Bo, how many classes does each instructor teach per week?
A.
22 Bo; 17 Erica
B.
18 Bo; 21 Erica
C.
15 Bo; 24 Erica
D.
20 Bo; 19 Erica

Answers

Answer:

c

Step-by-step explanation:

39-15=24

24+15=39

Slope of -3 and y intercept of 2

Answers

Answer:

the answere is 100

Step-by-step explanation:

14. Calculate A bird
weighing 15 g eats 10 times
its weight in food in a week.
How much food does the
bird eat in a day?

Answers

Answer:

21.429 grams per day

Step-by-step explanation:

15g times 10 =150g

150g/7 =21.429g per day

Final answer:

A bird that eats 10 times its weight in food per week, with a weight of 15 g, consumes approximately 21.43 g of food per day.

Explanation:

If a bird weighing 15 g eats 10 times its weight in food in a week, we first calculate the total amount of food the bird eats in a week and then divide that by 7 to find the daily intake.

First, we calculate the weekly food consumption:

The bird's weight = 15 g

Total weekly food intake = 15 g × 10 = 150 g

Daily food intake = Total weekly intake ÷ 7

Daily food intake = 150 g ÷ 7 ≈ 21.43 g

Therefore, the bird eats approximately 21.43 grams of food per day.

HELP! ASAP! MARKING BRAINLIEST!!
Which pyramid has a greater volume, and how much greater is its volume?

A rectangular pyramid on the left with a base of 7 inches by 6 inches and height of 3 inches.

A rectangular pyramid on the right with a base of 4 inches by 3 inches and a height of 10 inches.

a). The volume of the pyramid on the left is greater by 2 inches cubed.
b). The volume of the pyramid on the left is greater by 6 inches cubed.
c). The volume of the pyramid on the right is greater by 2 inches cubed.
d). The volume of the pyramid on the right is greater by 6 inches cubed.

Answers

Answer:

a). The volume of the pyramid on the left is greater by 2 inches cubed.

Step-by-step explanation:

The volume of a rectangular based pyramid is

V = [tex]\frac{1}{3}[/tex] w b h

Where w, and b are the lengths of the base of the pyramid, and h is the height of the pyramid

Substitute the values given for both pyramids into the equation, and solve for V

Left Pyramid:

V = [tex]\frac{1}{3}[/tex] w b h

V = [tex]\frac{1}{3}[/tex] * 7 * 6 * 3

Volume of Left Pyramid = 42 [tex]inches^{3}[/tex]

Right Pyramid:

V = [tex]\frac{1}{3}[/tex] w b h

V = [tex]\frac{1}{3}[/tex] * 4 * 3 * 10

Volume of Right Pyramid = 40 [tex]inches^{3}[/tex]

Subtract the two volumes to find the difference in volume

42 - 40 = 2 [tex]inches^{3}[/tex]

Answer:

The volume of the pyramid on the left is greater by 2 inches cubed.

Step-by-Step Explanation

6(a+3)=2a+30 what is the answer​

Answers

Answer:

a = 3

Step-by-step explanation:

6(a+3)=2a+30

Distribute

6a + 18 = 2a+30

Subtract 2a from each side

6a + 18 -2a= 2a+30-2a

4a  +18 =30

Subtract 18 from each side

4a+18-18 = 30-18

4a = 12

Divide each side by 4

4a/4 = 12/4

a = 3

I just need the answer plz

Answers

Answer: i got −5s^3+2s^2−s−9

Step-by-step explanation:

-5s^3+2s^2-s-9, ^=exponent

If the tree is 25 feet tall , what is the angle of depression to his friend

Answers

Answer:

15

Step-by-step explanation:

Which is the area of a trapezoid with bases of 10 m and 20 m, and a height of 5 m?
A. 70 m2
B. 75 m2
C. 80 m2
D. 150 m2
E. 300 m2

Answers

Answer:

The answer is B. 75 m2

Answer:

Its B

Step-by-step explanation:

you have helped me now I will help uou




Use the net to find the surface area of the square pyramid.

A) 1040 in2

B) 1426 in2

C) 2889 in2

D) 2945 in2

Answers

C because 40•27/2•4+27•27 is 2,889 40 is height 27 is base area of triangle u divide by 2 then there is 4 sides so u multiply by 4 and u need to add the base which is base times height and base is 27 and height is 27 so when u do all that u get C

Please help! Will mark brainliest!

Answers

Answer:

13x+2

Step-by-step explanation:

4x + 1

4x + 1

3x

2x

-----------

= 13x + 2

Find the discriminant of the quadratic equation, and determine the number of real solutions of the equation.

2x2 + 6x + 9 = 0

The discriminant is _____
The number of real solutions of the equation is _____

Answers

Answer:

Discriminant is -36 and the number of real solution and its 2 imaginary solutions.

Step-by-step explanation:

A shipping container has a volume of 2,880 cubic inches. Which could be the dimensions of the container?

Answers

Missing part of the question

- 10 in, by 12 in. by 24 in.

- 12 in. by 15 in. by 18-in.

- 10 in. by 16 in. by 20 in.

- 12 in. by 12 in. by 20 in.

Answer:

The possible dimensions of the container are

- 10 in, by 12 in. by 24 in

- 12 in. by 12 in. by 20 in

Step-by-step explanation:

Given

Volume of the container = 2,880 cubic inches

Required

Possible dimensions of the container

To solve this question, the following assumption has to be made;

It'll be assumed that the container is a rectangular

To calculate the volume of a rectangular figure, we simply multiply the dimensions of the figure,

This implies that; we'll test each of the given options.

Which ever gives 2,880 is the right answer.

- 10 in, by 12 in. by 24 in.

[tex]Volume = 10 in * 12 in * 24 in[/tex]

[tex]Volume = 2,880[/tex] cubic inches

- 12 in. by 15 in. by 18-in.

[tex]Volume = 12 in * 15 in * 18 in[/tex]

[tex]Volume = 3,240[/tex] cubic inches

- 10 in. by 16 in. by 20 in.

[tex]Volume = 10 in * 16 in * 20 in[/tex]

[tex]Volume = 3,200[/tex] cubic inches

- 12 in. by 12 in. by 20 in.

[tex]Volume = 12 in * 12 in * 20 in[/tex]

[tex]Volume = 2,880[/tex] cubic inches

From the calculation above, only option A and D gives 2,880;

Hence, the possible dimensions of the container are

- 10 in, by 12 in. by 24 in

- 12 in. by 12 in. by 20 in

Given a volume of 2,880 cubic inches, one possible set of dimensions for a shipping container could be length = 24 inches, width = 15 inches, and height = 8 inches.

The volume of a rectangular container can be calculated by multiplying its length, width, and height. Given the volume of 2,880 cubic inches, we are looking for three numbers (dimensions) that, when multiplied together, equal 2,880.

One possible set of dimensions could be length = 24 inches, width = 15 inches, and height = 8 inches. Multiplying these dimensions together: 24 inches × 15 inches × 8 inches = 2,880 cubic inches, which matches the given volume of the container.

What is the mean change with the numbers 90 91 88 84 86 85 86

Answers

Answer:

-0.571428571, or -0.6 if you round it to the nearest tenth

Step-by-step explanation:

Okay, so to break it down, you want to find the difference between each of the numbers right next to each other.

90 -> 91 = 1

91 -> 88 = -3

88 -> 84 = -4

84 -> 86 = 2

86 -> 85 = -1

85 -> 86 = 1

Add up all the differences.

1 - 3 - 4 + 2 -1 + 1 = -4

How many numbers were there? 7

Divide the sum (-4) by 7.

-4/7 = -0.571428571

If the diameter of a men’s basketball is 10 inches and a women’s is 9 inches, what is the approximate difference of their volumes?

Answers

Answer:

141.89526818714 cubic inches

Step-by-step explanation \

Vm = Volume of the men's basketball

Vm = (4/3)*pi*r^3

Vm = (4/3)*pi*(5)^3 ... diameter = 10 --> radius = 10/2 = 5

Vm = 523.598775598299 cubic inches

Vw = Volume of the women's basketball

Vw = (4/3)*pi*r^3

Vw = (4/3)*pi*(4.5)^3 ... diameter = 9 --> radius = 9/2 = 4.5

Vw = 381.70350741116 cubic inches

Difference in volume = Vm - Vw

Difference in volume = 523.598775598299 - 381.70350741116

Difference in volume = 141.89526818714 cubic inches

This result is approximate

Answer:

141.9 in.3

Step-by-step explanation:

Just did the assignment on edge2020

Tell whether the ordered pair is a solution of the system of equations.

(2.1)
2x+y=5
y = 4x– 1

1. No, (2,1) is a solution for y = 4x – 1 but not for 2x + y = 5.

2. Yes, (2,1) is a solution for both equations

3. No, (2,1) is a solution for 2x + y = 5 but not for y = 4x - 1

Answers

Answer:

2x + y = 5

y = 4x – 1

Substitute (2, 1) into system, then:

2x + y = 5  => 2 x 2 + 1 = 5 => 5 = 5 (satisfied)

y = 4x– 1   => 4 x 2 - 1 = 1  => -7 = 1 (not satisfied)

=> Option 3 is correct.

Hope this helps!

:)

Which statement best describes the relationship between the two variables?
O There is an association because the relative frequencies by row are different
O There is an association because the relative frequencies by row are similar
There is no association because the relative frequencies by row are different,
O There is no association because the relative frequencies by row are similar

Answers

The answer is, O There is an association because the relative frequencies by row are similar.

What is variables?

A quantity which during a calculation is assumed to vary or be capable of varying in value.

Here, we have,

The statement best describes the relationship between the two variables,

is,

O There is an association because the relative frequencies by row are similar.

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If an integer from 3 through 14 is chosen at random, what is the

probability that the number chosen is NOT prime?

Answers

Answer:[tex]\frac{7}{12}[/tex]

Step-by-step explanation:

Given

There are integer between 3 and 14 available to be chosen (total 12 integers)

Prime integers among them

3,5,7,11,13 i.e. total of 5 prime integers

So the probability that the number chosen is not Prime

[tex]=1-P\text{(no is prime)}[/tex]

[tex]=1-\frac{5}{12}[/tex]

[tex]=\frac{12-5}{12}[/tex]

[tex]=\frac{7}{12}[/tex]

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