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GaryK [48]
2 years ago
9

What is the value of x in the equation 13 x minus 2 (8 + 5 x) = 12 minus 11 x?

Mathematics
2 answers:
AnnZ [28]2 years ago
6 0

The value of n in given proportion is 16

<u><em>Solution:</em></u>

We have to find the value of "n" in the proportion

<em><u>Given proportion is:</u></em>

<em><u></u></em>\frac{n}{28} = \frac{4}{7}<em><u></u></em>

We can solve the above proportion by cross-multiplying

Multiply the numerator of the left-hand fraction by the denominator of the right-hand fraction

Multiply the numerator of the right-hand fraction by the denominator of the left-hand fraction

Set the two products equal to each other

Solve for the variable

->\frac{n}{28} = \frac{4}{7}

-> 7 *  n = 4 * 28

-> n = \frac{4 * 28}{7}

-> n = 4 * 4 = 16

Thus the value of n in given proportion is 16

larisa [96]2 years ago
6 0

Answer:

the value of n in given proportion is 16

Step-by-step explanation:

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The fourth graders are helping raise money for the local animal shelter they hoped to raise 1,000. so far they have made 465 in
vredina [299]

The fourth graders raised 175 more than 1,000 for the local animal shelter.

First, let us identify the given.

  • Target value to raise= 1,000
  • Profit from bake sale= 465
  • Profit from t-shirt sales= 710

How much money did the fourth graders raise? The sum of the profit from the bake sale and t-shirt sales determines the total money raised.  

Total money= Profit from bake sale + Profit from t-shirt sales

Total money= 465 + 710

Total money= 1175

How much more than 1,000 have the fourth graders raised? This amount is equivalent to the difference between the total money raised and the target amount, 1,000.

Total money-target amount

1175-1000= 175

You can learn more through this link brainly.com/question/24560878.

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4 0
2 years ago
A regular nonagon has a radius of 18.8 cm. What is the length of the apothem? Round your answer to the nearest tenth.
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3 years ago
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3 years ago
Pls help<br><br> Given: △ABC, CM⊥ AB, BC = 5, AB = 7<br> CA = 4 sqrt(2)<br> Find: CM
babymother [125]

Answer:

The general plan is to find BM and from that CM. You need 2 equations to do that.

Step One

Set up the two equations.

(7 - BM)^2 + CM^2 = (4*sqrt(2) ) ^ 2 = 32

BM^2 + CM^2 = 5^2 = 25

Step Two

Subtract the two equations.

(7 - BM)^2 + CM^2  = 32

BM^2 + CM^2         = 25

(7 - BM)^2 - BM^2 = 7               (3)

Step three

Expand the left side of the new equation labeled (3)

49 - 14BM + BM^2 - BM^2 = 7    

Step 4

Simplify And Solve

49 - 14BM = 7              Subtract 49 from both sides.

-49 - 14BM = 7 - 49

- 14BM = - 42              Divide by - 14

BM = -42 / - 14

BM = 3

Step  Five

Find CM

CM^2 + BM^2 = 5^2

CM^2 + 3^2 = 5^2        Subtract 3^2 from both sides.

CM^2 = 25 - 9            

CM^2 = 16                     Take the square root of both sides.        

sqrt(CM^2) = sqrt(16)

CM = 4    < Answer

Step-by-step explanation:

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