2 years ago

1) math need help ASAP thank you :) slope and y-intercept

Mathematics

1 answer:

wolverine [178]2 years ago

5 0

What he said..........

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The dashed-line triangle is a dilation image of the solid-lined triangle.

Gre4nikov [31]

Refer to the edited figure.

Triangles ABC and A'B'C' are similar because of AAA.
Also,
$\frac{AB}{A'B'}= \frac{15}{5}=3 \\\\ \frac{AC}{A'C'}= \frac{12}{4}=3$

Therefore
ΔA'B'C' is 1/3 the size of ΔABC.
This means that the scale factor from ΔABC to ΔA'B'C' is a 3-factor reduction.

Answer: reduction; one-third.
The dilation is a reduction.
The scale factor of the dilation is one-third.

8 0

2 years ago

How do I calculate the perimeter of this figure?

Alisiya [41]

You just add all of the numbers up.

5 0

2 years ago

2. Suppose you pay $21 for a pair of shoes that was originally $30. What was the percent of decrease in price for the shoes? Set

boyakko [2]

30$ originally - 21$ paid = 9$ discount

> divide the discount by the original price, multiply by 100 to get the percent decrease.

100 x (9$ / 30$) = 30% discount
> So the shoes where on sale for 30% off the original price.

for the equation:
100 x (30-21)/30 = % decrease

8 0

3 years ago

Simplify (4-3i)+(2+6i)

AfilCa [17]

Answer:

6+3i

Step-by-step explanation:

4+2=6

-3i+6i=3i

6+3i

7 0

2 years ago

Anyone know the answer to this question???

Katyanochek1 [597]

They want you to write the number in index form.

The number is 5N^2, where N = 3 x 5^2 x x^3

So:

5N^2 = 5 x (3 x 5^2 x x^3)^2

= 5 x (3^2 x 5^4 x x^6)

= 3^2 x 5^5 x x^6

or a bit neater looking: 3² ₓ 5⁵ ₓ x⁶

5 0

2 years ago