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blagie [28]
2 years ago
13

I give brainiest!!! Find the area of that sector. Show work.

Mathematics
2 answers:
Aleksandr [31]2 years ago
6 0
That's a quarter of the circle. So find the area of the circle, and divide by 4 to get the answer.

Circle area = 3.14*13^2 = 530.66
Answer = circle area / 4 = 132.665
Lady bird [3.3K]2 years ago
4 0

Answer:

132.7323 (4 dp)

Step-by-step explanation:

Area of sector formula: θ/360 x πr²

Substitute given values into formula:

90/360 x π x 13²

= 132.7323...

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Solve the system of equations:<br> y = x + 2<br> y = x2 + 5x + 6<br> HELP PLZ
soldier1979 [14.2K]

Answer:

x=2(twice)

y=0(twice)

Step-by-step explanation:

This question can be solved using substitution method

So let's solve

y=x+2....(1)

y=x2+5x+6....(2)

Substitute (1) into(2)

X+2=x2+5x+6

Collect like terms

X2+5x-x+6-2=0

X2+4x+4=0

X2+2x+2x+4=0

X(x+2)+2(x+2)=0

(X+2)(x+2)=0

X+2=0

Substrate 2 from both sides

X=-2

X+2=0

X=-2

Let's substitute the value of x into (1)

y=x+2

y=-2+2

Y=0(twice)

6 0
3 years ago
What is the distance between 182 and 265 on a number line?
adoni [48]
265-182=83
the answer is b.
6 0
3 years ago
Read 2 more answers
• Here in Kentucky, sales tax is 6%. If
diamong [38]

Answer:

$564

Step-by-step explanation:

  • Multiply $9400 by .06 - You should get $564 -
4 0
3 years ago
Help please. i have no idea how to do this.
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Answer:

ill help u lol im pretty positive its 8

5 0
2 years ago
What is the value of the expression 22 + 42 ÷ 22?<br><br> 3<br> 6<br> 8<br> 16
insens350 [35]

Answer:

Step-by-step explanation:

22 + 42 divided by 22

we always to division and multiplication before adding or subtracting, so

(42/22) + 22 = a very lonnggg number = 23.9090909091?????

are you sure the equation is correct?

i can help you

thank you

4 0
3 years ago
Read 2 more answers
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