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Pepsi [2]
3 years ago
6

Khan academy literally rejected my correct answer in all fraction form and I changed only the y-intercept to the decimal equival

ent and got it correct as if I haven't been taught my whole life to either have all decimals or all fractions in one answer so I'm done with Khan academy at this point so....can you solve the equation so I can go to bed?

Mathematics
1 answer:
skad [1K]3 years ago
7 0
Y=-2x+-3 I haven't't done this in a long time, sorry. I do remember wanting to k**l myself because this always happened to me when I did remember this stuff
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The base and the height of a triangle are multiplied by 5/4. Which of the following describes the
lions [1.4K]

Answer:

The option that describe the effect of the change is;

  • The perimeter is multiplied by 5/4

Step-by-step explanation:

The parameters from the question are;

The (scale) factor by which the base and the height of the triangle are multiplied = 5/4

By the constant proportion of their sides, the triangle before and the triangle obtained after the multiplication are similar

Let 'a' and 'b' represent the length of the base and the height of the triangle respectively, we have;

The area of the triangle, A₁ = 1/2 × a × b = a·b/2

With the application of the scale factor of 5/4, we have;

The area of the scaled triangle, A₂ = 1/2 × (5/4) × a × (5/4) × b = (5/4)² × a·b/2

Therefore, the scale factor of the area = (5/4)²

The scale factor of the perimeter = √(The scale facto of area)

∴ The scale factor of the perimeter = √(5/4)² = (5/4)

The scale factor of the perimeter = (5/4)

Therefore, the perimeter of the scaled triangle is obtained by multiplying the perimeter of the initial triangle by (5/4).

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2 years ago
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7th grade math. Trying to find area. How do i find the area?
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Answer:

60

Step-by-step explanation:

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The correct answer you would be looking for would be 0 because it is equal to anything.

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