3 years ago

Which inequality is NOT true when x= -2?

Mathematics

1 answer:

Levart [38]3 years ago

3 0

Answer: D

Step-by-step explanation:

-7 isn't greater than -4

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3 years ago

Given the proportion x/y = 2/5, what ratio completes the equivalent proportion: x/2= ?/?

prohojiy [21]

Cross multiply the original proportion

5x = 2y Divide by 2
5x/2 = y Now divide by 5
x/2 = y/ 5

So the answer is y/5

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3 years ago

How do you do this and what is the answer

Talja [164]

We know opposite angles in the parallelogram is congruent:

let x to be the unknown angle:

360=2(110)+2x

360=220+2x

140=2x

x=70

ECF is also 110 because of parallel lines and corresponding angles:

110+x+y=180

110+30+y=180

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so DAE is 40

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3 years ago

What is 1/2 of 2/3 of 4/5 of 100?

nydimaria [60]

Answer:

50,66.7,80

Step-by-step explanation:

100/2= 50

200/3=66.7

400/5=80

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3 years ago

Read 2 more answers

X^2+y^2 +4x−6y+9=0<br> what is the center and the radius

mojhsa [17]

Answer: Center (-2,3), radius 2

Step-by-step explanation: Subtract 9 from both sides, then complete the square for the x and y variables & add to both sides: $x^2+4x+4+y^2-6y+9=-9+4+9$ $= (x+2)^2+(y-3)^2=4$ . The center of this circle in the form $(x-a)^2+(y-b)^2=r^2$ is (a,b) with radius r. a=-2, b=3, r= $\sqrt{4}$ =2

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3 years ago