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Oksanka [162]
2 years ago
10

7 (m+5) = 21 as a step by step problem?

Mathematics
2 answers:
Sever21 [200]2 years ago
8 0

Answer:

m=-2

Step-by-step explanation:

You want to isolate the variable on one side (m).

Divide each side by 7.

m+5=3

Subtract 5 from both sides

m=-2

lina2011 [118]2 years ago
6 0

Answer:

m = -2.

Step-by-step explanation:

First divide both sides by 7; m + 5 = 3.

Then subtract 5 from both sides; m = -2.

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How can we find the measure of an exterior angle if we know the measurement of an interior angle
Alik [6]

Step-by-step explanation:

Put the interior angle equal to 180.


It would look something like this:

x+45=180

-45     -45

180-45= 135 so the exterior angle would be 135!

3 0
3 years ago
Tyler brother works in a shoe store and the store brought a pair of shoes for $50 and sold it for $80 what percentage was the ma
Free_Kalibri [48]

Answer:

$60.

Step-by-step explanation:

Cost price=  $50

Selling price = $80

Percentage markup = Gain/Cost price x   100%

=30/50x100

=$60.

7 0
2 years ago
Who can help me ????.<br>instruction find the missing length.​
djverab [1.8K]

Answer:

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7 0
3 years ago
Can someone Please help me with this question!? If
jasenka [17]

Answer:The answer is 1 and 3

Step-by-step explanation:

4 0
3 years ago
Find the sticker price and dealer's cost for the MT-5 Sedan with a base price of $10,600.00. Options cost $542.00, $140.00, $318
Bas_tet [7]
<h3>Answer:</h3>
  • sticker: $12,620
  • dealer's cost: $10,712
<h3>Step-by-step explanation:</h3>

The total cost of options is the sum of their individual costs.

  total options = $542 +140 +318 +580 = 1580

The sticker price is ...

  sticker price = base price + total options + destination charge

  = $10600 +1580 +440

  sticker price = $12,620

The dealer cost is ...

  dealer cost = 82% × base price + 100% × total options + destination charge

  = 0.82·$10600 +1580 +440

  dealer cost = $10,712


4 0
3 years ago
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