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Natasha2012 [34]
2 years ago
9

What is the value of y in the equation 4 + y = −3? (1 point) 7, 1, −1, −7

Mathematics
1 answer:
Marta_Voda [28]2 years ago
8 0

Hello!

\large\boxed{y = -7}

4 + y = -3

Isolate for y.

Subtract both sides by 4:

4 - 4 + y = -3 - 4

y = -7

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Find the variable. m angle BDJ=7y+2 , m angle JDR=2y+7
Anna35 [415]

The value of the variable y is 9 given that BDJ=7y+2  and angle JDR=2y+7

From the attached diagram, we can see that the<u> sum of m<BDJ and m<JDR is complementary</u> (i.e. sums up to 90degrees)

Given the following

m<BDJ = 7y + 2

m<JDR = 2y + 7

Summing up to 90

m<BDJ + m<JDR = 90

7y + 2 + 2y + 7 = 90

7y+2y+2+7 = 90

9y + 9 = 90

9y = 90-9

9y = 81

y = 81/9

y = 9

Hence the value of the variable y is 9

Learn more here: brainly.com/question/17247176

3 0
3 years ago
Find the slope and write an equation of the line which passes through the points. (−3, 9) and (−3, −5)
Sedbober [7]

Answer:

Slope: undefined

Equation: x=-3

Step-by-step explanation:

To find the line that passes through the points, you first want to find the slope.  The formula for slope is m=\frac{y_2-y_1}{x_2-x_1}. Once we have the slope, we can use any given point to plug in to find the y-intercept.

m=\frac{-5-9}{-3-(-3)} =\frac{-14}{0}

We can see that the slope is undefined. If we look at the point, we notice that they both have the same x-coordinate. This let's us know that the equation is x=-3.

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Answer:

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Step-by-step explanation:

vncnfxjdncnnxxjjxnxxnjxxjdnxnxjxj, x

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