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2 years ago

18 is what percent of 42?

Mathematics

2 answers:

Fittoniya [83]2 years ago

6 0

Answer:

42.86

Step-by-step explanation:

Maurinko [17]2 years ago

4 0

Answer:

42.86%

Step-by-step explanation:

First, we turn it into a fraction:

18/42

Simplify:

3/7 = 42.86 (rounded)

So 18 is 42.86% of 42

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X-2=3(x-4) what is the solution

Vladimir [108]

First distribute 3 to (x-4). that gives you 3x-12. Now your equation is x-2=3x-12. Now you subtract x from 3x. now you're equation is -2=2x-12. then add 12 to the left. You're final answer is 10.

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3 years ago

Read 2 more answers

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.

6 0

2 years ago

An airplane travels 2951 miles in 6.5 hours. what is the speed of the airplane in miles per hour?

Gre4nikov [31]

The speed of the airplane = 2951 / 6.5 = 454 mph

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2 years ago

Which lines must be parallel

Ksivusya [100]

<h2>Answer:</h2><h2>If one angle at one intersection is the same as another angle in the same position in the other intersection ,then the two lines must be parallel.</h2>

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3 years ago

Which of the following statements about EF and EG is true?

Ganezh [65]

Answer:

Your answer is B

Step-by-step explanation:

If you count the units you can see that it is 7 units in length.

7 0

3 years ago