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3 years ago

Y=-2x+5if x=4 what is the answer

Mathematics

2 answers:

Alona [7]3 years ago

8 0

Answer:

y=-3

Step-by-step explanation:

y=-2(4)+5

y=-8+5

y=-3

barxatty [35]3 years ago

5 0

Answer:

y=-3

Step-by-step explanation:

y=-2x+5

y=-2(4)+5=-8+5=-3

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Given: m∠EYL=72°<br> Find: mEHL , mLVE

White raven [17]

Answer:

Part 1) The measure of arc EHL is $108\°$

Part 2) The measure of angle LVE is $54\°$

Step-by-step explanation:

step 1

Let

x-----> the measure of arc EHL

y----> the measure of arc EVL

we know that

The measurement of the outer angle is the semi-difference of the arcs it encompasses.

$m$

we have

$m$

substitute

$72\°=\frac{1}{2}(y-x)$

$144\°=(y-x)$

$y=144\°+x$ ------> equation A

Remember that

$x+y=360\°$ -----> equation B ( complete circle)

substitute equation A in equation B and solve for x

$x+(144\°+x)=360\°$

$2x=360\°-144\°$

$x=216\°/2=108\°$

Find the value of y

$y=144\°+x$

$y=144\°+108\°=252\°$

therefore

The measure of arc EHL is $108\°$

The measure of arc EVL is $252\°$

step 2

Find the measure of angle LVE

we know that

The inscribed angle measures half that of the arc comprising

Let

x-----> the measure of arc EHL

$m$

we have

$x=108\°$

substitute

$m$

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3 years ago

Y=-2x+5if x=4 what is the answer​

Y=-2x+5if x=4 what is the answer