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KatRina [158]
2 years ago
13

Please help show all work thank you

Mathematics
1 answer:
timama [110]2 years ago
4 0
To start off, let's cross-multiply this proportion. We get the following:

15a=8b

Now, divide both sides by 8

\frac{15a}{8}=b

Now, divide both sides by 15

\frac{a}{8}=\frac{b}{15}

That's your answer. Hope this helps! :)
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What is the solution to the system of equations shown in the graph?
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What graph? We can’t solve if we don’t have a graph.
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Please help solve this
Ne4ueva [31]

Answer:

last option

Step-by-step explanation:

We know that a₁ (or the first term) = 4 so we can rule out the second and third options. d (or the common difference) = 8 (because 4 + 8 = 12, 12 + 8 = 20 and so on) so our answer is the last option.

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Does anyone need help solving algebraic expressions
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Step-by-step explanation:

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2 years ago
Ella and Jake love to skateboard. They created a frame for the ramp and then covered it with wood. How much wood did it take to
Tema [17]

Answer:

144 squared ft

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

Given the information:

  • height - 3
  • length - 11
  • width - 4
  • slant height - 5

As we know that, the ramp is a triangular Prism, so to find how much wood did it take to cover the ramp we need to find the total surface area of the triangular prism

1/ The area of the central rectangle

A = lw = 11*4 = 44 squared ft

2/ The area of the rectangle to the left

A = hw = 3*4 =12 squared ft

3/ The area of the rectangle to the right

A = slant height* length = 5*11 = 55 squared ft

4/ The area of the two triangles

A = 2 (1/2*h*l) = h*w = 3*11 = 33 squared ft

=> the total surface area of the ramp is: 44 + 12 + 55 + 33 = 144 squared ft

Hope it will find you well.

6 0
2 years ago
Solve for x.<br> -<br> 1/2(x + 5) = -10<br> A) -25 <br> B) -10 <br> C) 0 <br> D) 15
Airida [17]

Answer:

A) -25

Step-by-step explanation:

1/2( x + 5 ) = -10

2( 1/2( x + 5 ) ) = 2( -10 )

x + 5 = -20

x + 5 - 5 = -20 - 5

x = -25

4 0
2 years ago
Read 2 more answers
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