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LenKa [72]
2 years ago
7

Which of the following is the y-intercept of:

Mathematics
2 answers:
Varvara68 [4.7K]2 years ago
6 0

Answer:

the y-intercept is the point (0, -4) on the plane

Step-by-step explanation:

In order to find the y-intercept, write the equation in "slope intercept form"  solving for "y":

2\,y=x-8\\y=\frac{x-8}{2} \\y=\frac{x}{2} -\frac{8}{2} \\y=\frac{x}{2} -4

Recall now that the y-intercept is the value at which the line crosses the y-axis (when x = 0), therefore:

y=\frac{x}{2} -4\\y=\frac{0}{2} -4\\y=-4

So the y-intercept is the point (0, -4) on the plane.

Wewaii [24]2 years ago
4 0

(0,-4) fits the linear equation perfectly.

Hope this helps.

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What is four over nine equal A over 45
QveST [7]
Answer: A = 20


How to Solve:

Just by looking at this problem I can tell that the denominators (9 an 45) are factors of 9. So the second equation is multiplied by 5 from the first equation.

4/9 x 5

4 x 5 = 20
— -—
9 x 5 = 45

So A would be 20.


Another way to solve this would be by multiplying the 1st equations numerator with the second equations denominator:

4 x 45 = 180

Then divide 180 with the 1st equation’s denominator.

180 / 9 = 20

A = 20
5 0
3 years ago
Which equation gives the value of the circumference, CC, of a circle with a diameter of 5656 feet?
Kaylis [27]
The standard equation for circumference
CC= 2pi(D/2)
plug in variables
CC=2pi(5656/2)
so the equation would be
CC=(2)(pi)(2828)
7 0
3 years ago
I don’t understand...
Katarina [22]

Answer:

A

when you simplify the equation you get A

8 0
3 years ago
I need #2 done ASAP (Must show work) Will give brainliest
Leto [7]

Answer:

Using the Vertical Angle Theorem,

if two angles are vertical, then they are congruent

therefore, ∡4=∡5 and ∡6=∡7

since ∡4≅∡7

then ∡5 must also be ≅ to ∡6

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Math question down below
vazorg [7]
X+ 9 = 32

x = 32-9

so,
option c is correct.


x + 9 = 32
9 = 32 - x

so, option d is also correct.
7 0
3 years ago
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