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SSSSS [86.1K]
3 years ago
15

PLEASE HELP I WILL BRAINLIST PLEASE

Mathematics
1 answer:
Crank3 years ago
4 0

Answer:

I pretty sure its B.

Step-by-step explanation:

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Martin is dilating a blue triangle to create a yellow triangle. If he used a scale factor of
kipiarov [429]

Answer:

See Explanation

Step-by-step explanation:

The question has missing details, as the scale factor is not given. However, I will give a general explanation on how to calculate the area and perimeter of a dilated shape (triangle).

The following assumptions, apply:

(1) Scale factor of 1/2 from the blue to the yellow triangle.

(2) The dimension of the blue triangle are:

Base = x

Sides= y\ and\ z

Height= h

First, calculate the dimensions of the yellow triangle.

The dimension will be the product of the scale factor and the dimensions of the blue triangle.

So, we have:

Base = \frac{1}{2} * x = \frac{1}{2}x

Sides = \frac{1}{2}y\ and\ \frac{1}{2}z

Height = \frac{1}{2}h

The perimeter of the blue triangle is:

P_1 =Base + Sides

P_1 = x + y + z

The perimeter of the yellow triangle is:

P_2 =Base + Sides

P_2 = \frac{1}{2}x + \frac{1}{2}y + \frac{1}{2}z

Factorize

P_2 = \frac{1}{2}[x + y + z]

Recall that: P_1 = x + y + z

So:

P_2 = \frac{1}{2}*P_1

<em>This implies that the perimeter of the yellow triangle is a product of the scale factor and the perimeter of the blue triangle.</em>

<em></em>

The area of the blue triangle is:

A_1 = \frac{1}{2}* Base * Height

A_1 = \frac{1}{2} * x* h

A_1 = \frac{1}{2} xh

The area of the yellow triangle is:

A_2 = \frac{1}{2} * Base * Height

A_2 = \frac{1}{2}* (\frac{1}{2}x) * (\frac{1}{2}h)

Rewrite as:

A_2 = \frac{1}{2}* \frac{1}{2} [\frac{1}{2}x h]

A_2 = (\frac{1}{2})^2 *[\frac{1}{2}x h]

Recall that:A_1 = \frac{1}{2} xh

So:

A_2 = (\frac{1}{2})^2 *A_1

<em>This implies that the area of the yellow triangle is a product of the square of the scale factor and the area of the blue triangle.</em>

4 0
3 years ago
Help it's due tomorrow plzz2 3 4
lesya692 [45]
2. intersecting
3. 25
4. Yes, draw the line right in the middle, from top to bottom.
:)
5 0
4 years ago
The number line represents Allie’s scores in the first two rounds of a card game.
olganol [36]

Answer:

Allie gains 4, she loses 4, she has 0 points.

Step-by-step explanation:

The arrow shows it. Round 1 goes 0 to 4. Round 2 goes 4 to 0.

7 0
3 years ago
Finding unknown angle measures of right triangles.
Levart [38]
Right triangles add up to 180 degrees and one of the angles is 90
6 0
4 years ago
Read 2 more answers
CAN SOMEONE HELP PLZZZZ ALGEBRA
alekssr [168]

Answer:

Step-by-step explanation:

The remainder theorem says that when you put the integer part of the binomial for the value of x in f(x),  you can solve for the remainder.

f(x) = x^3 - 4x + k is divided by (x - 5) means that 5 is put into f(x)

f(5) = x^3 - 4x + k  now put 5 into x on the right

f(5) = 5^3 - 4(5) + k

f(5) = 125 - 20 + k = 91

f(5) = 105 + k = 91

105 + k = 91                Subtract 105 from both sides

k = 91 - 105

k = -14

7 0
3 years ago
Read 2 more answers
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