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kondaur [170]
2 years ago
6

Please someone help me!!!!:)

Mathematics
1 answer:
Alla [95]2 years ago
5 0

Answer:

275.4cm

Step-by-step explanation:

A = pi*r^2

r = 9

A = 3.14 * 9^2

A = 3.14 * 81

A = 275.4

Hope this helps!

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Write an equation of the line that passes through (-4,1) and is perpendicular to the
trasher [3.6K]

Answer:

line1:y=2x+3

Gradient1=2

Let line2 be the line passes through (-4,1)and perpendicular to line1.

Because line2 and line1 are perpendicular, (gradient of line2) (gradient of line1) =-1

Gradient of line2=-1/2

Equation of line2:y-y1 =m(x-x1)

:y-1 =(-1/2)[x-(-4)]

:(y-1)(-2)=(x+4)

:-2y+2 =x+4

:-2y+2-x-4=0

:-x-2y-2 =0

:x+2y+2 =0

*notes:gradient=m

3 0
3 years ago
Can someone help me please ​
inna [77]

Replace x with -2 and solve:

A) -2 + -2 = -4 which is not less than or equal to -8


B) 2 + -2 = 0, this is greater than or equal to -8


C) -2 + -2 = -4, this is not less than -8


D) 2 + -2 = 0, this is not greater than 8


Answer: B is true

8 0
1 year ago
Move numbers to the lines to complete the sentence about the image A’B’C’D .
noname [10]

Answer:

first blank- 2 second blank- 3 1/2 or 4 may be 3 too

Step-by-step explanation:

well when you look at the shape you can go from a to b and count the blocks which it would be 2

and you would want to do the same thing with C,D

7 0
3 years ago
(x^3+10x^2+2)/(x+10)
SCORPION-xisa [38]

The quotient is x^2

The remainder is 2

Step-by-step explanation:

We need to divide: \frac{\left(x^3+10x^2+2\right)}{x+10}

The division is shown in figure attached.

The quotient is x^2

The remainder is 2

Keywords: Division of polynomials

Learn more about Division of polynomials at:

  • brainly.com/question/4390083
  • brainly.com/question/4786449

#learnwithBrainly

8 0
3 years ago
Compute the balance of $12,000 invested at APR of 4.4% for 18 yrs​
Vadim26 [7]

Answer: the final ballance is 26445.35

The total compound interest is $14,455.35.

5 0
2 years ago
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