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Elza [17]
2 years ago
12

Re write the expressoin-21+7

Mathematics
1 answer:
blsea [12.9K]2 years ago
6 0

Answer:

7-21

Step-by-step explanation:

if -a+b

is thesame according to laws of integers as

b-a

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Esosa pays $43.19 for 3.7 pounds of salmon. What is the price per pound of the salmon?
joja [24]

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$11.67

Step-by-step explanation:

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4 0
3 years ago
Kate sold 12 of her paintings and purchased 7 more. if kate has 21 paintings now, how many paintings did she have to begin with?
kicyunya [14]
First, let x or any variable represent the number of paintings Kate initially has. After selling 12 of it, her paintings now becomes only x - 12. Then, she purchased 7 more making the number of her paintings become x - 12 + 7 = x - 5. This number tantamount to 21. 

                                           x - 5 = 21      ; x = 26

Thus, Kate initially had 26 paintings. 
7 0
3 years ago
Evan has a storage unit that he keeps all his garden tools in. It measures 4 feet by 312 feet by 2 feet.A prism has a length of
Alexxandr [17]

The maximum amount of supplies that the storage unit can hold is 28 ft³

<h3>How to calculate the volume of a rectangular prism?</h3>

For us to calculate the volume or amount of space in Evan's prism, we will first of all calculate the volume of rectangular prisms. Formula is;

V = Length × width × height.

We are given;

length = 4 feet

width =  3.5 feet

height of the prism = 2 feet.

Thus;

V = 4 * 3.5 * 2

V = 28 ft³

Thus, the maximum amount of supplies that the storage unit can hold is 28 ft³

Read more about Volume of Rectangular Prism at; brainly.com/question/4062480

#SPJ1

6 0
2 years ago
1.What value goes in the blank to make this a proportion:
iragen [17]
1. 24
2. 56
3. 15
4. 60
Hopefully this helps!
4 0
3 years ago
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