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Masja [62]
3 years ago
15

"The product of a number and 7" :

Mathematics
1 answer:
alex41 [277]3 years ago
5 0

Answer: 7n

Step-by-step explanation

a product is the multiplication answer. so a number- n- multiplied by 7 is 7n.

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The bananas are $.15 per pound and I want to buy 4 pounds, how much would I pay
Paladinen [302]
$.75 bc 15 x 4 is 75 so that would make 75¢ or $.75
4 0
2 years ago
If a circle has a diameter of 30 meters, which expression gives its area in
sattari [20]

Answer:

C. 15²π

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Geometry</u>

  • Diameter: d = 2r
  • Area of a Circle: A = πr²

Step-by-step explanation:

<u>Step 1: Define</u>

d = 30 m

<u>Step 2: Find Area</u>

  1. Substitute [D]:                    30 m = 2r
  2. Isolate <em>r</em>:                             15 m = r
  3. Rewrite:                              r = 15 m
  4. Substitute [AC]:                 A = π(15 m)²
  5. Rearrange:                        A = 15²π
3 0
3 years ago
Please help!!!!!!!!!!
Ipatiy [6.2K]
You should get the app "photomath" that will help out alot!!!
8 0
3 years ago
For every 5 chickens there were 10 eggs. What are the three ways to write this ratio?
mixas84 [53]

Answer:

The first 3

Step-by-step explanation:

If this helped you please rate this comment, give it a like, and maybe mark it as branliest!

5 0
2 years ago
Read 2 more answers
A full waterbed mattress is 8ft by 2ft by 2ft. The mattress is to be filled with water that weighs 62.4 lb/ft^3. Find the weight
Alex_Xolod [135]

Answer:

1997 lbs

Step-by-step explanation:

First we need to find the volume of the mattress

V = l*w*h

V = 8*2*2

V =32 ft^3

Then multiply by the density

32 ft^3 * 62.4 lb / ft^3 =

1996.8 lbs

To the nearest lb

1997 lbs

7 0
3 years ago
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