3 years ago

Can the sides of a triangle have lengths 2, 7, and 8?

Mathematics

1 answer:

Natalka [10]3 years ago

3 0

Answer:

Yes

Step-by-step explanation:

As long as any two numbers added are greater than the number not chosen they can make a triangle

2+7= 9 9 is greater than 8

8+2= 10 10 is greater than 7

7+8= 15 . 15 is greater than 2

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Mark had 14 problems wrong on his test. his score was 72% correct. how many problems were on the test?

ella [17]

Let x = number of problems on test
If he got 14 wrong, then x - 14 is the number correct.
$\frac{x-14}{x} = .72
$
x - 14 = .72x
.28x - 14 = 0
.28x = 14
x = 50

The test consisted of 50 problems.

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3 years ago

See the picture below and answer for 50 points and brainliest

never [62]

Answer:

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Step-by-step explanation:

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3 years ago

What is the missing number? <br> 90+____= 100

antiseptic1488 [7]

10.
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3 years ago

(7+5 + 4 . 13 - 2 <br><br> Please simplify this expression with all steps thank you

FinnZ [79.3K]

Answer:

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(7+5+4).(13-2)

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Hope was useful

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3 years ago

Read 2 more answers