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3 years ago

What scale factor was used to dilate Figure A to get Firgure B

Mathematics

2 answers:

Whitepunk [10]3 years ago

7 0

A scale factor of 3 was used

Dafna11 [192]3 years ago

7 0

A scale factor of 3 was used to dilate the figures.

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What is the sales tax rate if a $7,190 purchase will have $568.01 of sales tax added to it?

inna [77]

Answer:

7.9%

Step-by-step explanation:

568.01/7190=0.079=7.9%

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3 years ago

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creativ13 [48]

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Step-by-step explanation:

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3 years ago

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3 years ago

ΔEFG is located at E (0, 0), F (−7, 4), and G (0, 8). Which statement correctly classifies ΔEFG?

MariettaO [177]

Answer:

ΔEFG is an isosceles triangle.

Step-by-step explanation:

Given:

E (0, 0),

F (−7, 4),

G (0, 8)

ΔEFG

Solution:

Distance formula

Distance d = $\sqrt{(x_2-x_1)^2 +( y_2-y_1)^2$

Step 1: Finding the length of EF

By using distance formula,

$EF = \sqrt{(-7 - 0)^2 + (4-0)^2}$

$EF = \sqrt{(49) + (16)}$

$EF = \sqrt{(49) + (16)}\\EF = \sqrt{65}\\$

Step 2: Finding the length of FG

By using distance formula,

$FG = \sqrt{(0-(-7))^2+(8-4)^2}\\FG = \sqrt{(7)^2 +(4)^2}\\FG = \sqrt{49 +16}\\FG = \sqrt{65}$

Step 2: Finding the length of GE

$GE= \sqrt{(0-0)^2 + (0-8)^2}\\\\GE =\sqrt{(-8)^2}\\GE = \sqrt{64}\\GE = 8$

Thus we could see that the sides EF = FG

So it is a isosceles triangle.

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3 years ago

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marta [7]

(4)3 is also the same thing as 4x3 which is 12n

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2 years ago