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3 years ago

Find the length of the missing side. Leave your answer in simplest radical form.

Mathematics

1 answer:

vfiekz [6]3 years ago

8 0

Answer:

Step-by-step explanation:

1) learn the Pythagoras theorem which is $a{2} +b{2} =c{2}$

2) to work out the longest length you do $4^2+3^2$ which is 25

3) than you do the square of 25 which is 5 so the answer is 5

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Does anyone know what the √2.25 is when rewritten as a fraction?

Zinaida [17]

Answer: $\sqrt{\frac{9}{4} }$

Step-by-step explanation:

This is what it is as a mixed number

$\sqrt{2.25}$

= $\sqrt{2\frac{1}{4} }$

= $\sqrt{\frac{9}{4} }$

If you want it written in exponential form it would look like this:

$(\frac{9}{4}) ^{\frac{1}{2} }$

5 0

2 years ago

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I need help I try Photomath I didn’t help me .

kaheart [24]

Answer:

8. 8.80

9. 90

Step-by-step explanation:

Question 8: Use the Pythagorean formula

DE² = DF²+EF²

EF² = DE² - DF²

= 16.2² - 13.6²

= 77.48

EF = √77.48 = 8.80 (Answer)

Question 9: Use the Cosine Rule

GI² = GH² +HI² - 2·GH·HI·Cos ∠GHI

= 60² + 42² - 2·60·42·Cos 123

= 3600 +1764 - (-2744.98)

= 8108.98

GI = √8108.98 = 90

4 0

3 years ago

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The area of a circle is given by πr2, where r is the radius of the circle. If we use rounding to the nearest whole number, what

Makovka662 [10]

Answer:

75cm^2

Step-by-step explanation:

Check attachment

4 0

3 years ago

Does anyone know how tj do this (trig)

Crank

Answer:

x = 5

Step-by-step explanation:

NOTE: THE 2 SIDES ARE THE SAME LENGTH

THEY HAVE TO BE SMALLER THEN 10

So 10/2 = 5

x = 5

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Thank u

8 0

3 years ago

What is 8 + 2 × 6 - 2^4

chubhunter [2.5K]

Answer:

Step-by-step explanation:

8+2=10

10x2=60

60-2^4=4

the value of 2^4 is 56

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3 years ago

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