3 years ago

Its not a quiz/test its homework thats due in a bit :)

Mathematics

2 answers:

otez555 [7]3 years ago

5 0

Answer:

it would be 53

Step-by-step explanation:

Ira Lisetskai [31]3 years ago

4 0

The answer is 53 glad to help

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Work out the area of this semicircle.Take pie to be 3.142 and give your answer to 2 decimal places 10cm

rosijanka [135]

Answer:

The area of the semi circle $A = 157.1 cm^2$

Step-by-step explanation:

Explanation:-

Given radius of circle 'r' = 10 cm

The area of the circle formula

$A = \pi (r)^{2}$

The area of the semi circle formula

$A = \frac{\pi (r)^{2} }{2}$

taking π =3.142

$A = 3.142 X \frac{(10)^2}{2}$

On calculation , we get

$A = 157.1 cm^2$

Final answer:-

The area of the semi circle $A = 157.1 cm^2$

7 0

3 years ago

(x²+10x+7)(2x-1) = 2x³+19x²+4x-7 show the steps

sasho [114]

Answer: See below

Explanation:
(x^2+10x+7)(2x-1) = 2x^3+19x^2+4x-7
2x^3-x^2+20x^2-10x+14x-7 = 2x^3+19x^2+4x-7

2x^3+19x^2+4x-7 = 2x^3+19x^2+4x-7

6 0

3 years ago

Oi m8! you want brainliest and a follow for free?! well answer this correctly and don't forget to show your work!

sdas [7]

Answer:

550

Step-by-step explanation:

First substitute the numbers

(4*6)^2-36/6=

24^2-36/6=

24^2-6=

556-6=

550

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2 years ago

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Which choice shows the corresponding sides as equal ratios?

mr_godi [17]

The first one

Because you are dividing the second triangle by the first one

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3 years ago

Solve 3[-x + (2 x + 1)] = x - 1.

Marrrta [24]

Answer:

x= -2

Step-by-step explanation:

-3x+6x+3=x-1

3x-x= -1-3

2x= -4

x= -2

6 0

4 years ago

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