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madam [21]
3 years ago
12

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

Mathematics
1 answer:
Kay [80]3 years ago
7 0

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.

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agasfer [191]

The additive inverse: The usage of addition with a negative number.

The original equation is 21 - 11 = 10

To use the additive inverse, change it so that there is an addition sign.

21 + (-11) = 10

B) -11 is your answer

hope this helps

7 0
2 years ago
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It cost $8.31 to power one laptop computer for one year. How much does it cost to power 10 for one week.
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Answer:

$1.60

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5 0
3 years ago
Which one ????????????????????
olga55 [171]

Answer:

A. The first one

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Because it has a negative slope and if you follow the line you can tell it has a slope of -1/4.

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2 years ago
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2. need help with this question
lara [203]

Answer:

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3 0
3 years ago
Sandra writes (4x30) + (4x2) and says the quotient for 128 + 4 is 8. is she correct? explain.
Rashid [163]
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