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Alja [10]
3 years ago
8

Anja is creating a triangle using three straws. The two shorter straws have lengths of 20 cm and 21 cm. How long, in centimeters

, should the third straw be for Anja to create a right triangle?
Mathematics
2 answers:
scoray [572]3 years ago
7 0

Answer: 29cm

Step-by-step explanation:

20^2+21^2=841

Then the square root of 841 is 29

Kruka [31]3 years ago
5 0

Answer:

29cm

Step-by-step explanation:

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Round 218 to the nearest hundred
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When rounding to the nearest hundred, if the number in the tens place is less than 5, you should round downwards (keep the same number shown in the hundreds place). However, if the number in the tens place is 5 or greater, than you have to round up, which means adding one to the number currently in the hundreds place. So, for this problem, the digit 1 is in the tens place. Because 1 is less than 5, we know that we have to round down. Thus, 218 rounded to the nearest hundred is 200. Hope this helps!!
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What are the multiples of 64
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128, 192, 256, 320,and 384 are the first five multiples.

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Willie is earning an annual salary of $24,895. He has been offered an accounting job that will pay him, at a num, $28,000 per ye
VikaD [51]

Answer:

$258.75

Step-by-step explanation:

Willie was being paid $24,895 per year, and he will get $28,000, let's find the difference.

$28,000 - $24,895 = $3,105       So he will be making $3,105 mor per year. THere are 12 months in a year so we need to divid our answer by 12.

$3,105/12 = $258.75

He will make $258.75 more per month if he takes the new job.

6 0
4 years ago
A=42°, b=10, c=12. What is the length of a to the nearest tentH
Digiron [165]

The length of a in the triangle to the nearest tenth is 8.1 units.

<h3>How to find side of a triangle?</h3>

The side a of the triangle can be found using cosine formula.

Therefore,

a²= b² + c² - 2bc cos A

a² = 10² + 12² - 2 × 10 × 12 cos 42°

a² = 100 + 144 - 240cos 42

a² = 244 - 178.354758115

a = √65.6453

a = 8.10217871933

a = 8.1

learn more on triangle here: brainly.com/question/7831188

#SPJ1

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