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stiks02 [169]
2 years ago
14

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
nexus9112 [7]2 years ago
4 0
5432 that is the answer
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I was taught how to do these I just don’t remember how to-3(4x+5)-2(-5x+8)
frosja888 [35]

Answer:

- 2x - 31

Step-by-step explanation:

Given

- 3(4x + 5) - 2(- 5x + 8)

Multiply the terms in the first parenthesis by - 3 and the terms in the second parenthesis by - 2

= - 12x - 15 + 10x - 16 ← collect like terms

= (- 12x + 10x) + (- 15 - 16)

= - 2x - 31

6 0
3 years ago
The temperature at a ski resort was 12°F at 5:00 A.M. If the temperature increased by 1.5°F each hour, what would be the tempera
Mariana [72]

The <em><u>correct answer</u></em> is:

22.5° F.

Explanation:

The temperature increases 1.5° per hour.  From 5:00 AM to 12:00 PM is 12-5 = 7 hours.  This makes an increase of 1.5(7) = 10.5°.

The temperature started at 12°F; increasing by 10.5° gives us

12+10.5 = 22.5°F.

3 0
3 years ago
The table shows the conversion of several amounts of liters to liquid pints.
aniked [119]

Answer:

(C) y= 2.11x

Step-by-step explanation:

3 0
3 years ago
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What is the scale factor of ABC to ADEF?
kolbaska11 [484]

Sorry, I haven't learned this yet ;-;

8 0
3 years ago
Jun used 56 cm of ribbon to go around the edge of a rectangular lid. The lid was 13 cm long. What is the width of the lid?
maksim [4K]

Answer:

The width of the rectangular lid is 15 cm.

Step-by-step explanation:1. Let's review the information given to us to answer the question correctly:

Length of the ribbon used by Jun = 56 cmLength of the rectangular lid = 13 cm

2. What is the width of the lid? The ribbon used by Jun is equivalent to the perimeter of the rectangular lid, therefore:Perimeter = 2 * Length + 2 * WidthReplacing with the values we have:56 = 2 * 13 + 2 * Width56 = 26 + 2Width2Width = 56 - 262Width = 30Width = 30/2Width = 15

5 0
2 years ago
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