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ArbitrLikvidat [17]
3 years ago
13

Help with math earn 10 points

Mathematics
2 answers:
Luda [366]3 years ago
6 0

Answer:

The answer is 15 Shirts

Step-by-step explanation:

We want to know what x is going to equal that makes the equation the same.

First, I make the euations equal to each other by substituting the y -->

7x + 50 = 10x + 5

Then, I combine my similar terms --> 45 = 3x

After that, I divide by 3 to get x on its own --> \frac{45}{3} =\frac{3x}{3} --> 15 = x

This means that after 15 Shirts are sold, the costs for both companies are the same.

Elenna [48]3 years ago
6 0
You will get. 15 shirts
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M-x=n, solve for x. i got X= n+1/m is that correct?​
scoundrel [369]

Answer:

It is x = m - n

Step-by-step explanation:

There are many ways to solve this question.

First, change the signs of the whole equation:

-m +x = n

Now, add m on both sides:

-m +x +m= n+m

x = n+m

4 0
3 years ago
Solve the equation = a/4+a/3=21
Roman55 [17]
Solve the equation = a/4+a/3=21
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If y = kx, and x = 3 and y = 15, calculate k.
kenny6666 [7]

Answer:

k = 5

Step-by-step explanation:

Since the equation is y = kx and x equals 3 while y equals 15, in order to solve this equation we are going to have to substitute the variables with their answers:

x = 3

y = 15

15 = 3k

Now we divide 3 from both 3x and 15 to segregate the variable x:

15/3 = 3k/3

5 = k

Now to check our work we are going to substitute 5 for the variable k, 3 for the variable x and 15 for the variable y.

y = kx

15= (5)(3)

15 = 15

Tada, I hope this helps you!

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3 years ago
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Which polyhedron has more faces than an octahedron but fewer faces than an icosahedron? A. Hexahedron B. Cube C. Tetrahedron D.
DaniilM [7]
Octahedron has 8 faces, icosahedron has 20 faces. Therefore the answer is dodecahedron, it has 12 faces.
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18 is what percent of 42?
Fittoniya [83]

Answer:

42.86

Step-by-step explanation:

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