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3 years ago

Could you check my answer, whether I done it right or wrong?

Mathematics

1 answer:

Iteru [2.4K]3 years ago

4 0

your almost right check once and you wil get especially alternate angles

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31 out of 50 is what percent

Snowcat [4.5K]

31 out of 50 is 62%

Divide 31 over 50:
$\frac{31}{50} = 0.62$

Multiply 0.62 and 100. This will convert the decimal to a percentage:
$0.62 \times 100 = 62$

5 0

3 years ago

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Please help -2x++8-6=-32

arlik [135]

Answer:

x = 17

Step-by-step explanation:

-2x+8-6=-32

lets isolate the x variable:

-2x=-32-8+6

-2x = -34

x= -34/-2

x= 34/2

x= 17

3 0

4 years ago

5x - 5 = 5(x+1) need help

bezimeni [28]

Answer:

There are no solutions.

Step-by-step explanation:

5x-5=5(x+1)

5x-5=5x+5

+5 +5

5x=5x+10

-5x -5x

0x=10

There are no possible answers.

Hopefully this helps.

7 0

3 years ago

In a circle, area and circumference can be found using the formulas A=(pi)r^2 and C=2(pi)r, respectively, Write a formula for A

AURORKA [14]

Answer:

$A = \dfrac{C^2}{4\pi}$

Step-by-step explanation:

Given that

Area of a circle $A=\pi r^2$

Circumference of the circle $C = 2 \pi r$

Let us re-write the equation of area of circle:

$A=\pi r^2$

$A = \pi \times r \times r$

Multiplying and dividing with 2:

$A = \dfrac{2\pi r}{2} \times r\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C}{2} \times r\\\text{Multiplying and dividing by } 2\pi:\\\Rightarrow A = \dfrac{C}{2} \times \dfrac{2\pi r}{2\pi}\\\text{Putting }2\pi r = C:\\\Rightarrow A = \dfrac{C \times C}{4 \pi}\\\Rightarrow A = \dfrac{C^2}{4 \pi}$

Hence, <em>A</em> in terms of <em>C</em> can be represented as:

$A = \dfrac{C^2}{4\pi}$

4 0

4 years ago

Pls help im doing math and in terriable..

8_murik_8 [283]

Answer:

64 points/80 points

80/100

Step-by-step explanation:

6 0

3 years ago

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