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Levart [38]
2 years ago
13

PLS PLS PLS HELP!!!

Mathematics
1 answer:
KiRa [710]2 years ago
5 0

Answer:

( we know that square of perimeter is 4L now,4L=6c-4(c-5),4L=6c-4c+20,4L=2c+20,then L=(c+10)/2

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He radius of a circle is 2 kilometers. What is the area of a sector bounded by a 45° arc?
faust18 [17]
We know that
area of a circle=pi*r²
for r=2 km
area of a circle=pi*2²-----> 12.56 km²

if 360° (full circle) has an area of---------> 12.56 km²
 45°---------------------------------> x
x=45*12.56/360-----> x=1.57 km²

the answer is
1.57 km²
7 0
3 years ago
Can someone help me please???!!
Vlada [557]

Answer:

A

Step-by-step explanation:

When you shift down by 5 units, you are basically -5ing to every value in the bottom part of the chart.

For the bottom of the chart, I get:

0,2,8,14

While the top is

1,2,3,4 as nothing changes here.

The only chart like this is A.

4 0
4 years ago
Read 2 more answers
Help anyone can help me do this question,I will mark brainlest.​
erica [24]

Answer:

5. R = 6

6. D = 22

Step-by-step explanation:

5. The area formula is  πr2.

If  πr2=36π,

π  can be canceled out from both sides.

Then, it is  r2=36.

If we square root both sides, we get:

r=6 .

Therefore, the radius of your circle is 6.

6.A = 121 π

A = r² π

r² π = 121 π

r = √ 121 = 11

The diameter: d = 2 r = 2 * 11 = 22 units

5 0
3 years ago
8 less than six times a number y
Igoryamba
6y-8
6y is 6 times y
-8 is 8 less
3 0
3 years ago
HELP ME PLS I NEED SOME HELP
Leno4ka [110]
Answer: B



Explanation:
8 0
3 years ago
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