MATHEMATICS HIGH SCHOOL

Which problem would you use the following proportion to solve for?24/x = 40/100

A. What is 40% of 24?
B. Twenty-four is 40% of what number?
C. What percent is 24 of 40?
D. Forty percent of 24 is what number?

Answers

Answer 1
Answer:

Answer:

B

Step-by-step explanation:

40/100 is equal to 40% so 24/x =40/100 means 24 is 40% of x
Answer 2
Answer:

Answer:b

Step-by-step explanation:

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What are the 2 greatest common factors of 32?
a population of insects doubles every month. If there are 100 insects to start with, how many will there be in 7 month
a student earns a 90 on a test for missing one question incorrectly and earns a 70 for answering three incorrectly.What is the slope?
Please help ASAP for 10 points!!

Which expressions are equivalent to 16x4 − 64? Check all that apply.16x4 + 16x – 16x – 64


16x4 – 8x – 8x – 64


(4x2 + 8)(4x2 – 8)


16(x2 + 2)(x2 – 2)


4(4x4 – 8)

Answers

A. 16x^4 + 16x - 16x - 64

C. (4x^2 + 8)(4x^2 - 8)

D. (16x^2 + 209x^2 - 2)

First to awnser will the question correct will get brainlyist The number 51 is decreased to 26. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answers

Answer:

-49%

Step-by-step explanation:

i know this one by doing a long math formula

Answer:

49.0%

Step-by-step explanation:

take the 2 numbers and find the difference

51 - 26 = 25

take the difference and divide it by the orginal number

25÷51 = 0.49019607843

then times that number by 100

(25÷51) × 100 = 49.0196078431

so the number was decreased by 49.0 %

Find the circumference of the circle with the given radius or diameter. (Use 3.14 for π.)radius = 20 in.
a.
1,256 in.
b.
125.6 in.
c.
5,024 in.
d.
62.8

Answers

Answer: b.

125.6 in.

Step-by-step explanation:

We know that the circumference of a circle is given by :_

\text{Circumference}=2\pi r, where r is the radius of the circle.

Given : The radius of the circle : r= 20 i.

Then , the circumference of the circle is given by :-

\text{Circumference }=2(3.14)(20)\n\n\Rightarrow\ \text{Circumference }=125.6\ in.

Hence, the circumference of the circle = 125.6 in.
C= 2πr
C= 2 x 3.14 x 20
C = 125.6

answer: b. 125.6 in.

You have a rectangular yard that measures 16 feet Long by 14 feet wide.it id covered in grass except For in the Center,where there is a circular fountain With a diámeter of 4 feet.what is the área of the grass porción of your yard ? Round your answer to the nearest hundredth . A.131.43. B.173.74ft2. C.211.43 ft.2. D.263.74 ft.2 please help me

Answers

A of the yard= L*l=16*14=  224 feet²

A of the fountain= πR²

d=2R
4=2R

R=4:2=2

A of the fountain= 2²π=4 *3,14= 12,56 feet²

A of the grass portion= 224-12,56=  211,43 feet²

answer d)211,43 feet²

Find the product and simplify your answer 6n^5(7n^4-5n+5) 40 points

Answers

We have the following expression:
 6n ^ 5 (7n ^ 4-5n + 5)
 We can rewrite the expression using power properties.
 We have then:
 42n ^ (4 + 5) - 30n ^ (1 + 5) + 30n ^ 5
 Rewriting:
 42n ^ 9 - 30n ^ 6 + 30n ^ 5
 Answer:
 the product is:
 42n ^ 9 - 30n ^ 6 + 30n ^ 5

Answer:

ok

Step-by-step explanation:

36 litres of a mixture contains milk and water in the ratio 2 : 1. how much water is to be added to get a new mixture containing milk and water in the ratio 1 : 1?

Answers

Answer:

12 liters of water should be added to the current mixture to obtain a new mixture containing milk and water in a 1:1 ratio.

Step-by-step explanation:

solve this problem, we can follow these steps: Step 1: Determine the current amounts of milk and water in the mixture. The ratio of milk to water in the current mixture is 2:1. Since there are 36 liters of the mixture in total, we can calculate the amounts of milk and water as follows: Amount of milk = (2/3) * 36 = 24 liters Amount of water = (1/3) * 36 = 12 liters Step 2: Determine the new total volume of the mixture. To achieve a 1:1 ratio of milk to water, the total volume of the new mixture will be the sum of the amounts of milk and water, which is 24 + 12 = 36 liters. Step 3: Determine the amount of water to be added. Since we want the ratio of milk to water to be 1:1, the amount of milk and water in the new mixture will be equal. Therefore, we need to add an additional 12 liters of water to the current mixture.

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