3 years ago

What’s the square root of -100

Mathematics

1 answer:

Alla [95]3 years ago

4 0

Answer: -10

Step-by-step explanation:

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Need some help with this question please

Serggg [28]

Answer:

$\frac{15}{17}$

Step-by-step explanation:

$\cos( \alpha ) = \frac{ad}{hip} \\ \\ \sin( \alpha ) = \frac{op}{hip}$

Pythagorean theorem

hip² = op² + ad²

17² = x² + 8²

x² = 17² - 8²

$x \: = \sqrt{{17}^{2} - {8}^{2} } \\ x = \sqrt{289 - 64} \\ x = \sqrt{225} \\ x = 15$

$\sin( \alpha ) = - \frac{15}{17}$

$\sin( - \alpha ) = \frac{15}{17}$

4 0

3 years ago

How do you add mixed fractions?

ycow [4]

If u have 4\3 and 4\5 u add 4+4=8 and then do 5+3=8 and now you have 8\8 and that is how to add ixed fractions

3 0

3 years ago

Ann is participating in a 4-day cross country biking challenge. She biked for 65, 69, and 45 miles on the first three days. How

GenaCL600 [577]

Answer:

the answer is 69

hope i helped <3

Step-by-step explanation:

6 0

2 years ago

- Austin is paid a salary of $350 weekly. What are his yearly earnings?

Novosadov [1.4K]

Answer:

average, he earns 16,800 dollars in 1 year

Step-by-step explanation:

he is paid 350 dollars a week

there are 4 weeks in a month and 12 months in 1 year.

350*4=1400

1,400*12 is 16,800.

4 0

3 years ago

Read 2 more answers

Can you tell me the answers, if you do thanks

zloy xaker [14]

$3 \frac{8}{11}$

$4 \frac{31}{42}$

$7 \frac{11}{24}$

10.

$2 \frac{79}{90}$

5 0

2 years ago