MATHEMATICS HIGH SCHOOL

The equation y-4=-3(x+4) is written in point-slope form. What is the y-intercept of the line? *1 point
16
-8
1
-7
Other:

Answers

Answer 1
Answer:

Answer:

-8

Step-by-step explanation:

you need to rewrite it in y=mx+b form where b-is the y-intercept

y-4= -3(x+4)

distribute

y-4 = -3x-12

isolate y

y= -3x-8

compare this with the y=mx+b so y-intercept is -8

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Need help with: A circle with radius of 9 sits inside a circle with radius of 11 What is the area of the shaded region? Round your final answer to the nearest hundredth.

Answers

see the picture attached to better understand the problem

we know that
area of a circle=pi*r²

area of the larger circle
r= 11 units
Area=pi*11²-----> 379.94 units ²

area of smaller circle
area=pi*9²-----> 254.34 units²

area of the shaded region=area larger circle-area smaller circle
so
area of the shaded region=379.94-254.34-----> 125.60 units²

the answer is
125.60 units²

A football team gained 9 yards on the first play, lost 5 on the second play, lost 7 on the third play and gained 4 on the last play. What integer represents the total yards

Answers

Answer:

1

Step-by-step explanation:

First play=9

Second play=5

Third pla=7

Fourth play=4

9-5-7+4

=1

What is the slope of the line in the graph?

Answers

Step-by-step explanation:

slope = Change of y/ change of x

= 4/4

= 1

slope + or > 0 y increases when x increases

What is the result of isolating x^2 in the equation below?10x^2-36y^2=100

A. x^2=100+36/10 y^2
B. x^2=10+36/10 y^2
C. x^2=100+36 y^2
D. x^2=10+6/10 y^2

Answers

The result of isolating x² in the quadratic equation 10x² - 36y² = 100 will be x² = 10 + (36 / 10)y²

What is a quadratic equation?

A quadratic equation is an equation that has one or multiple variables with the highest power of the variable is 2.

The given quadratic equation is:

10x² - 36y² = 100

⇒ 10x² = 100 + 36y²

⇒ x² = (100 + 36y²) / 10

⇒ x² = 10 + (36 / 10)y²

Learn more about a quadratic equation here: brainly.com/question/2506855

SPJ2
B. you add 36y^2 to either side, giving you 10x^2=100+36y^2, and then divide the entire equation by 10, leaving you with x^2=10+36/10 y^2

Which of the following values "completes the square," or creates a perfect square trinomial, for x2 − 8x + ___?8
16
–8
–16

Answers

Perfect\ square:\ (x\pm y)^2=x^2\pm2xy+y^2\ntherefore\nx^2-OK\n-8x=-2\cdot x\cdot 4\n4^2=16\n\nconclusion\n\nx^2-8x+\boxed{?}=x^2-2\cdot x\cdot4+\boxed{4^2}=x^2-8x+16\n\nYour\ answer:\boxed{\boxed{16}}

Answer: 16

Step-by-step explanation: A more simple approach is realizing that the blocks show 8 x tiles and 1 x^2 tile. The 8 x tiles are on either side of the x^2 tile which is 4 x tiles on each side. So as we can see we can multiply each side together. 4x4 = 16. So that is how you get 16 without having to work it out.

What decimal is written in words “five and four hundred sixty-seven ten thousandths”? a. 5.467

b. 5.0467

c. 5,647,000

d. 0.5467

Answers

Answer:

five and four hundred sixty-seven ten thousandths

b. 5.0467

0.

0   tenths

0   hundreds

0   thousands

0   ten thousands

~batmans wife dun dun dun....

     

~batmans wife dun dun dun....
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