2 years ago

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Mathematics

1 answer:

atroni [7]2 years ago

7 0

The answer would be A :))) hope you have a great day!

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7. A triangle has sides with lengths of 10 metres,

Kay [80]

Answer:

It is not a right triangle.

Step-by-step explanation:

We can prove this by Pythagorean theorem because it represents to a right triangle.

Pythagorean theorem:

a² + b² = c²

Now substitute the values.

Note: the longest side will represent c

So,

a = 10 m

b = 16 m

c = 20 m

10² + 16² = 20²

The objective here is to make them equal.

100 + 256 = 400

356 ≠ 400

They are not equal so it is not considered a right triangle.

7 0

3 years ago

you and four of your nine classmates received an A on your math test, what is the simplest fraction of students that scored an A

alex41 [277]

The simplest fraction is 4/5

8 0

3 years ago

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What is the inverse of the function f(x) = 2x + 1?

hodyreva [135]

Answer:

The inverse f-1(x) = ( x - 2) / 2.

Step-by-step explanation:

Let 2x + 1 = y

Now find x in terms of y:

2x = y - 1

x = (y - 1) / 2

Replace the x by the inverse f-1(x) and the y by x, so we have:

f-1(x) = ( x - 2) / 2.

4 0

3 years ago

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Help me please help me, I need the answer because only have 1 hour for finish and my grades is so bads and these is extra credit

LekaFEV [45]

Answer:wow

Step-by-step explanation:sad

8 0

2 years ago

Find the area of the circle to the nearest tenth. use 3.14 for pie

VikaD [51]

I assume that 4.4 is the diameter,please do correct me if i am wrong.

To get the area of the circle,the formula is 丌r^2

to find the radius,we need ro devide the diameter by 2

thus the equations is
$3.14 \times ({4.4 \div 2})^{2} \\ = 3.14 \times {2.2}^{2} \\ = 15.196 \\ = 15.2(correct \: to \: the \: nearest \: tenth)$
Therefore the answer is B.15.2

hope it helps!

3 0

3 years ago

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