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3 years ago

15

I need the answers for this question please

1 answer:

Nataly [62]3 years ago

4 0

its triangle and 7.3 and 23.7 hope this helps

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Given that sin(90 -5ϴ) = Cos(180 - ϴ), Find the value of ϴ<br>

lilavasa [31]

Answer:

30°

Step-by-step explanation:

$\because \: \sin(90 \degree - \theta) = \cos \theta \\ \therefore \: \sin(90 \degree - 5 \theta) = \cos 5\theta....(1) \\ \\ \sin(90 \degree - 5 \theta) = \cos(180 \degree - \theta)...(2) \\ from \: (1) \: and \: (2) \\ \cos 5\theta = \cos(180 \degree - \theta) \\ 5 \theta = 180 \degree - \theta \\ 5 \theta + \theta= 180 \degree \\ 6\theta= 180 \degree \\ \theta = \frac{180 \degree}{6} \\ \\ \huge \red{ \boxed{\theta = 30 \degree}}$

8 0

3 years ago

Use the Change of Base Formula to evaluate log3 6. Round to the nearest thousandth if necessary.

jeka94

1.556302501 or 1.556

hope this helps

6 0

3 years ago

56 + 41 = 30 + <br> A 57<br> B 67<br> C 77<br> D 87

aksik [14]

The answer is B
Comment for an explanation
I HOPE THIS HELPS :)

3 0

3 years ago

Read 2 more answers

Hi please help me no links thank you

olya-2409 [2.1K]

Step-by-step explanation: (I'm not gonna' do it <em>all</em> for you tho)

to convert from <u>percent to fraction</u>:

70% = $\frac{70}{100} =\frac{7}{10}$

to convert from <u>fraction to percent</u>:

$\frac{11}{20}=\frac{55}{100}$ = 55%

to convert from <u>fraction to decimal</u>:

$\frac{3}{25} =\frac{12}{100} =0.12$

to convert from <u>decimal to fraction</u>:

$1.25=\frac{125}{100} =1\frac{25}{100} =1\frac{1}{4}$

to convert from <u>percent to decimal</u>:

0.2% = $\frac{0.2}{100} =0.002$

to convert from <u>decimal to percent</u>:

$0.4= (0.4*100)$ % = 40%

With that, you can solve the rest on your own

4 0

3 years ago

A circle with an area 9pi has a sector with a central angle of 1/9pi what is the area of the sector

ludmilkaskok [199]

Answer:

½pi or 0.5pi units²

Step-by-step explanation:

Area : angle

9pi : 2pi

x : pi/9

9pi/2pi = x/(pi/9)

4.5 × pi/9 = x

x = ½pi or 0.5pi units²

8 0

3 years ago