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3 years ago

Find the value of x for the given value of y. y=9−7x; y=37

Mathematics

1 answer:

MrMuchimi3 years ago

6 0

Answer:

For y=37, x= -4

Step-by-step explanation:

We have to find the value of x, when y=37 is the given value for the given equation

$y=9-7x$

Putting the value of y=37 in the equation to find the 'x'

$y=9-7x$

$37=9-7x\\7x=9-37\\7x=-28\\x=-4$

So, for the value of y=37, the value of $x=-4$

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3 years ago

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

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$2x=360\°-144\°$

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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

$m$

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substitute

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3 years ago

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olganol [36]

Answer:

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andriy [413]

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