You need to get rid of the fraction first and to do that you muliply the whole equation by 5 so that your new equation reads 4x+25=45. Then you subtract 25 from both sides so you have 4x=20. Divide both sides by 4 so x=5.

5 0

3 years ago

Evaluate each expression

solmaris [256]

Answer:

4 * 4 ÷ 4 = 4

8 ÷ (2*2) = 2

Step-by-step explanation:

$4 * 4 \div4\\\rule{150}{0.5}\\\text{Use PEMDAS}\\\\4 * 4 \div4\\\\4 * 1\\\\\boxed{4}$

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$8 \div (2*2)\\\rule{150}{0.5}\\\text{Use PEMDAS}\\\\8 \div (2*2)\\\\8 \div 4\\\\\boxed{2}$

I hope this helps.

5 0

2 years ago

A function is a relation in which each element in the input is mapped to how many elements in the output?

Scilla [17]

One input can map out multiple outputs

7 0

1 year ago

Mia's outfit is having a sale. If Sam buys 3 shirts at the regular price, he will get 2 free shirts. How much will each shirt co

Dominik [7]

Answer: 3/5

Step-by-step explanation:

The price of 1 shirt is x and 5 shirts is 5x but she pays for only 3 of them. You would divide 5 by 3 giving you 3/5 which would be the cost of all the shirts

8 0

3 years ago