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Kamila [148]
3 years ago
10

Write cos^4x as an equivalent expression that does not contain powers of trigonomretric functions greater than 1

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0
cos^{4}x [/tex] = cos^{2}x.cos{2}x = (cos2x+1)(cos2x+1)/4

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Simplify the expression 7g+4p-3g-9p
otez555 [7]

Answer:

4g-5p i think

Step-by-step explanation:

7g-3g=4g

4p-9p=-5p

3 0
3 years ago
Read 2 more answers
Please someone help and explain them to me. im confused
Irina18 [472]

<u>is there a way i can draw on it to help explain it?</u>

8 0
3 years ago
19. 140% of 60<br> find the percent of the number. Explain your method
KonstantinChe [14]

Answer:

84

Step-by-step explanation:

is                    x           140

----   SO ...    -------  =  --------

of                  60         100

(hit like pls)

60*140=100x

8400=100x

/100     /100

-------------------

   84 = x

8 0
2 years ago
The population of Algebraville is 500,000 and growing at 6.25%. How many people will live in Algebraville in 10 years? 20?
otez555 [7]
This would be exponential growth
A= 500,000(1+.0625)^10
=500,000(1.0625)^10
=500,000* <span>1.83353577126
the population after 10 years= </span><span>916,767
A=500,000(1+.0625)^20
=500,000(1.0625)^20
=500,000* 3.36185342451
the population after 20 years would be= </span><span>1,680,926</span>
8 0
3 years ago
The temperature at noon on a winter day was 8°C. At midnight, the temperature had dropped 15°C. What was the temperature at midn
klio [65]
All you have to look at is the word "dropped" and you know it's a subtraction problem. In this case, it would be 8 - 15.

8 - 15 = -7

It would be -7<span>°C at midnight. I hoped this helped! :)</span>
6 0
3 years ago
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