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elena-14-01-66 [18.8K]
3 years ago
7

What expression is equivalent to cos(1.4x)-cos(.6x)

Mathematics
1 answer:
andreev551 [17]3 years ago
6 0
The answer should be:
cos (0.8 x)

BRAINLIEST PLS!!!
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2z -5(z +2) = -8 - 2z<br><br> Please explain!! Thank you
Korolek [52]

Follow PEMDAS.

You would first do your distributive property which is, -5(z+2). You would multiply -5 to z and -5 to 2 which will give you -5z + -10.

so now you have 2z-5z+ -10= -8 - 2z. Now you must isolate the variable. So subtract -8 to -10 which will give you -18.

Now you have the equation 2z-5z-18=-2z

Now combine like terms. 2z-5z= -3z

Now you have the equation -3z-18=-2z

Now you must move the -3z to the other side of the equal sign by adding the opposite which is +3z to -2z which will give you +1z

Now you have -18= 1z

Now you divide. -18 divided by 1 is -18.

So your final answer will be -18=z

7 0
3 years ago
I really need some help with this whoever helps I will give you the brainliest answer
yarga [219]

Answer:

standard form: y = -x^2 + 15x

6 0
2 years ago
Maria and her family drove 885 miles on their summer vacation. The first 8 on the left in this number has a ____ of 800
Rudiy27
The first 8 on the left in this. umber has a VALUE of 800. :)
5 0
3 years ago
Read 2 more answers
Find the area of the figure below<br><br> A.832in^2<br> B.768^2<br> C.416^2<br> D.384in^2
lesantik [10]
The area is the average of the 2 heights times the base, which is:
(24+16)/2*19.2=384 in^2=D
6 0
3 years ago
(Please help!)<br><br> Divide:<br> (4x² +33x+37) = (x+7)<br><br> Quotient:<br><br> Remainder:
Drupady [299]

Answer:

2

Step-by-step explanation:

4x² + 33 x + 37 = (4 x + 5) × (x + 7) + 2

5 0
3 years ago
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