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daser333 [38]
3 years ago
6

Find an equivalent expression for each expression by simplifying. (3x - 5y) + 7y

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0
This question is quite simple really. They are basically asking you to combine like terms. You have two different figures with the variable y, so you just combine the them. It would then be 3x + 2y. You cannot simplify this equation any further since there is nothing to solve for or anymore like terms to combine.
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What is the product?<br> (3x-5)(22-7x+1)
Gelneren [198K]

answer

1. expand the equation

3x(22-7x+1)-5(22-7x+1)

66x-21x²+3x-110+35x-5

104x-21x²-115

6 0
2 years ago
5. The internal dimension of a tank are 14m, 8m and 5m. How much water can be
EleoNora [17]

Answer:

560,000L

Step-by-step explanation:

Given data

L=14m

W=8m

H=5m

Volume= L*W*H

Volume= 14*8*5

Volume= 560 m^3

1m^3 = 1000L

560m^3 = x

cross multiply

x= 560*1000

x= 560,000L

Hence the volume is  560,000L

3 0
3 years ago
Write a real world problem with a percent that can be solved by using the proportion 3/b=60/100
iris [78.8K]
Kyle received 60/100 on his algebra test.  If he scored 3 points, how many points was the test out of? Answer is 5.
7 0
3 years ago
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What is the approximate diameter of a sphere with a volume of 268cm3
kogti [31]

Answer:

diameter ≈15.6

Step-by-step explanation:

To solve this;

volume of a sphere = 4/3 πr³

From the question given;

volume of the sphere = 268    

lets substitute   and solve for r

volume of sphere = 4/3 πr³

268 = 4/3 × 3.14 × r³

268 =4.19 × r³

Divide both-side of the equation by 4.19

268/4.19 = r³

63.96 = r³

Take the cube root of both-side

∛63.96 = r

7.8 ≈ r

but diameter = 2r = 2×7.8 =15.6

8 0
4 years ago
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AnnZ [28]

Answer:

a graphical representation of the distribution of income or of wealth.

8 0
3 years ago
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