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Nesterboy [21]
3 years ago
14

Combine the like terms to create an equivalent expression:4z-(-3z)​

Mathematics
1 answer:
Verdich [7]3 years ago
7 0

the answer is 12z²

Step-by-step explanation:

u just multiply the 4z-(-3z).

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HELP! NOW! <br> Prove the trig identity:<br> 3sinx/1-cosx=3cscx+3cotx
vichka [17]

Step-by-step explanation:

Given

To Prove

\dfrac{3\sin x}{1-\cos x}=3\csc x+3\cot x

Take the Left side of equation and rationalize

\Rightarrow \dfrac{3\sin x}{1-\cos x}\times \dfrac{1+\cos x}{1+\cos x}\\\\\Rightarrow \dfrac{3\sin (1+\cos x)}{1-\cos^2 x}\\\\\Rightarrow \dfrac{3\sin (1+\cos x)}{\sin^2 x}\\\\\Rightarrow \dfrac{3\sin x}{\sin ^2x}+\dfrac{3\sin x\cos x}{\sin^2 x}\\\\\Rightarrow \dfrac{3}{\sin x}+\dfrac{3\cos x}{\sin x}\\\\\Rightarrow 3\csc x+3\cot x

Left side is equal to right side

Hence, proved

5 0
3 years ago
Elizabeth spends $14.99 each month on song downloads. At this amount, how much will Elizabeth spend on song downloads in 2 years
krok68 [10]
14.99 x 12 = 179.88
179.88 x 2 = 359.76.

She would spend 359.76 in 2 years
6 0
3 years ago
Read 2 more answers
Combine like terms 45Y +13 Y equals
Leya [2.2K]

Answer:

45Y + 13Y equals 58Y is the answer

7 0
3 years ago
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Solve xy^m=yx^3 for m
aleksklad [387]

Answer:

  m = 1 + 2log(x)/log(y)

Step-by-step explanation:

Taking logarithms, you have ...

  log(x) +m·log(y) = log(y) +3log(x)

  m·log(y) = log(y) +2·log(x) . . . . subtract log(x)

  m = (log(y) +2·log(x))/log(y) . . . divide by the coefficient of m

  m = 1 +2·log(x)/log(y) . . . . . . . simplify a bit*

_____

* The "simplified" form will depend on your preference. Here, I like the integer 1 brought out because most logs are irrational. The result may be very slightly more accurate if we add 1, rather than log(y)/log(y)--depending on your calculator.

6 0
3 years ago
A table.Short description, A table.,Long description, Sandwich Fat (in grams) Calories Hamburger 18 390 Cheeseburger 25 430 Baco
Oxana [17]

Using it's concept, it is found that the range of fat grams for the five sandwiches is of 24 grams.

<h3>What is the range of a data-set?</h3>

It is given by the difference of the <u>highest value by the lowest value in the data-set</u>.

In this problem, the sandwich with the least fat has 9 grams and the one with the most has 33 grams, hence the range is given by:

R = 33 - 9 = 24 grams.

More can be learned about the range of a data-set at brainly.com/question/24374080

#SPJ1

5 0
3 years ago
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