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irakobra [83]
3 years ago
12

Can someone help, I have a F in math so this is a struggle for me. I also need all work if you can give it to me. Thank you in a

dvance :)

Mathematics
2 answers:
polet [3.4K]3 years ago
8 0

Answer:

Here are the anwsers but if you need aDDITIONal help just ask

Step-by-step explanation:

andrey2020 [161]3 years ago
3 0

ok so to start combine like terms in the problems meaning you combine the numbers that have the same variable like 7x and 3x etc.

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5. 4x-3y=-33 ...........
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3 years ago
Find the 30th derivative of y=cos(2x)
Sladkaya [172]

I got this answer from someone else so I’m not sure this is correct but I really hope it helps...

Step-by-step explanation:

Look for patterns in the derivatives.

y=cos2x

y'=-2sin2x

y''=-4cos2x

y'''=8sin2x

y''''=16cos2x

Notice that sin and cos alternate every derivative. Also, they alternate positive and negative every 2 derivatives.

The constant is just 2^(derivative#).

Every odd derivative has sin and every even derivative has cos, so you know that the 30th derivative will be cos.

If you follow the pattern of negatives and positives, you find that the 30th derivative will be negative.

y^(30)= -2^30cos2x

y^(30)= -1073741824cos2x

8 0
3 years ago
What is the solution to the system of equations below
nekit [7.7K]

Answer:

There is no solution.

6 0
2 years ago
Mr. Martin drove 290 miles last week This week he drove 125 miles more than last week. How many miles did Mr. Martin drive this
DanielleElmas [232]

Answer:

Mr. Martin drove 415 miles this week.

Step-by-step explanation:

The question says Mr. Martin drove 125 miles more than <u>last week</u>. How many miles did Mr. Martin drive this week?

How many miles did he drive last week?

Remember: 290 miles is the miles he drove last week.

The problem says he drove 125 miles AND 290 miles this week. So you take the SUM of them to see how many miles he drove together.

290 + 125 = 415

6 0
3 years ago
Express 15 kobo as a decimal of #3.00
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Answer:

15 kobocoin =30.143471

5 0
1 year ago
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