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Nikitich [7]
3 years ago
5

There are 35 kids in our class. 20% like cats. How many kids in our class like cats?

Mathematics
2 answers:
Illusion [34]3 years ago
6 0

Answer:

7 kids

Step-by-step explanation:

mote1985 [20]3 years ago
4 0

Answer:

7

Step-by-step explanation:

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Please help im confused
anzhelika [568]

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Step-by-step explanation:

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2 years ago
You have a three year fixed rate lease of $900/month due to expire next month. Your landlord is willing to renew the three year
harkovskaia [24]

Answer:

\\3 percent of 900 = 27 \\900 + 27 = 927 \\ 927 * 36 = 33372

Step-by-step explanation:

First you have to find out the 3% of 900 (is 27)

then you add 27 to 900

then you multiply it by 3 years (36 months)

and your result is 33372 :)

8 0
3 years ago
What is the value of X? any help would be great:)
m_a_m_a [10]

idk sorry ill look for you

4 0
3 years ago
Read 2 more answers
A boy pushes a bike with 5 newtons up a hill that is 300 meter long. How much work does he do?
siniylev [52]

Answer:

1500 J is the correct answer.

Step-by-step explanation:

5 0
2 years ago
I would really appreciate help with the following, along with work shown so I can understand how these were solved.
Alja [10]

First, you have to know the double angle formula:

sin 2A  =  2 sin A cos A

cos 2A  =  cos² A − sin² A  =  2 cos² A − 1  =  1 − 2 sin² A

tan 2A<span> = 2 tan </span>A<span> / (1 − tan² </span>A)


Next, find the other leg: 17^2-15^=64, √64 is 8, so the unknown leg length is 8.

sinα=15/17, cosα=8/17, tanα=15/8

sinβ=8/17, cosβ15/17, tanβ=8/15

Plug these values in the above formula, you'll have your answers.


For the half angles, know the half-angle formula:

sin(B/2) = ± √<span>(1 − cos B)/2</span>

cos(B/2) = ± √<span>(1 + cos B)/2</span>

tan(B/2)  =  (1 − cos B) / sin B<span>  =  sin </span>B<span> / (1 + cos </span>B)

refer to this website for details:

<span>https://brownmath.com/twt/double.htm
</span>


For the power reduction formula, please search for it. I tried to copy and paste here, but it wouldn't paste. 

for number 4, factor the quadratic equation into (cscx-8)(cscx+1)=0

cscx=8 or cscx=-1

You may not have the csc button on your calculator. Recall that csc is 1/sin, so sinx=1/8 or sinx=-1, so x is either 7.18 or 270 degrees



6 0
3 years ago
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