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Mathematics

1 answer:

allsm [11]3 years ago

7 0

The value that makes the equation true is

D. -20

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If m∠4= 138°. Find m∠1, m∠2, and m∠3. please explain how to work this out

Gekata [30.6K]

The opposite angles are equal so m4=m1 and m2=m3. If you know m4=m1, m1= 138 so m4+m1= 276. That means m2 and m3 are equal to 84 in total. Your answer should be 48 for both m2 and m3 cuz they add to 84

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3 years ago

Evaluate the expression described below if the number is –2. The quotient of three less than twice a number and the number squar

lozanna [386]

(2x-3)/x^2
if the number is –2
then
[2(-2) - 3] / (-2)^2
= (-4-3)/4
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answer is
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3 years ago

1. Thom has a scale model of his car. The

MariettaO [177]

$x =\frac{4}{3}inch$ is the size in wheels on the scale model .

Step-by-step explanation:

Correct Question : Tom has a scale model of his car. The scale factor is 1 : 12. If the actual car has 16-inch wheels, what size are the wheels on the scale model?

We have , The scale factor is 1 : 12. We need to find If the actual car has 16-inch wheels, what size are the wheels on the scale model .Let's find out:

Ratio of size of wheels to actual size of wheels is 1:12 , but actual car has 16-inch wheels So ,

⇒ $\frac{1}{12} = \frac{x}{16}$ { x is size of wheel in scale model }