3 years ago

HELPPPPP 80 POINTS

Mathematics

1 answer:

marin [14]3 years ago

7 0

$79.20 is the correct answer.

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Identify terms of 25x-7

klemol [59]

Answer:

The terms are 25x and 7

Step-by-step explanation:

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3 years ago

4x = 3x+5<br> This is hard!

yKpoI14uk [10]

Answer:

x=5

Step-by-step explanation:

4x-3x=5

x=5

6 0

3 years ago

Read 2 more answers

Is three a solution of z^2 +1=4+3z?

DiKsa [7]

Answer:

Step-by-step explanation:

z^2 +1=4+3z

Substitute into the equation and see if it is true

3^2 +1 = 4+3(3)

9+1 = 4+9

10 = 13

This is not a true statement so this is not a solution

8 0

3 years ago

A 45-inch string is cut into 2 pieces. If the ratio of the longer piece to the shorter piece is 3:2, what is the length of the s

Amiraneli [1.4K]

The answer is 30 inches. All the answers above are incorrect.

8 0

4 years ago

If today’s UV index is 8, Erin will burn in 15 minutes without sunscreen. If Erin puts on lotion with an SPF of 25, how long wil

yan [13]

Today’s UV index is = 8

Erin will burn in = 15 minutes

Since, its given"The time it takes to burn without sunscreen multiplied by the SPF, or sun protection factor, is the time you can stay in the sun safely with sunscreen"

= $25\times15=375$

So, Erin will be protected for 375 minutes.

4 0

3 years ago