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aev [14]
3 years ago
10

0.7(3s+4)−1.1s=7.9 PLEASE HELP

Mathematics
2 answers:
Vanyuwa [196]3 years ago
8 0
The answer is 5.1 if you're looking for s all the work is in the picture

Naddika [18.5K]3 years ago
8 0

Answer:

s=5.1

Step-by-step explanation:

We have been given an equation 0.7(3s+4)-1.1s=7.9. We are supposed to solve the given equation.

Using distributive property a(b+c)=ab+ac, we will get:

0.7(3s)+0.7(4)-1.1s=7.9

2.1s+2.8-1.1s=7.9

2.1s-1.1s+2.8=7.9

1.0s+2.8=7.9

s+2.8-2.8=7.9-2.8

s=5.1

Therefore, the solution for the given equation is s=5.1.

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Question 9 (1 point)
Likurg_2 [28]

Answer:

A piece of Jewelry costs $4.5 and a hair accessory costs $1.5.

Step-by-step explanation:

Let the price of a piece of jewelry is $x and that of a piece of hair accessories is $y.

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