3 years ago

What is the percent change? Original cost is $15 and the new cost is $70.

Mathematics

2 answers:

Aneli [31]3 years ago

7 0

Answer:

366.67% increase

Step-by-step explanation:

Hitman42 [59]3 years ago

3 0

Answer:

467 percent

Step-by-step explanation:

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3m=2(4+x) solve for x

algol13

Simple.........

3m=2(4+x)

Simplify...

3m=2(4+x)

3m=8+2x

Isolate the variable....

3m=8+2x
-8 -8

3m-8=2x

$\frac{3m-8}{2} = \frac{2x}{2}$

$\frac{3m}{2} -4=x$

Thus, your answer.

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3 years ago

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Neporo4naja [7]

Answer:

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3 years ago

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The value of four and 34,000 is in the 4 times the value of The value of four and is times the value of 447,163

tatuchka [14]

447,163 / 34,000 = 13.151
13.151 • 34,000 = 447,163
Your answer is going to be 13.151

3 0

3 years ago

if f(1) = -5 and f(n) = f(n-1) +7, find the first four terms and the common difference of the sequence

Alex_Xolod [135]

Answer:

- 5, 2, 9, 16 and d = + 7

Step-by-step explanation:

to obtain the first four terms substitute n = 2, 3, 4 into the recursive formula

f(1) = - 5 ← given

f(2) = f(1) + 7 = - 5 + 7 = 2

f(3) = f(2) + 7 = 2 + 7 = 9

f(4) = f(3) + 7 = 9 + 7 = 16

common difference d = 16 - 9 = 9 - 2 = 2 - (- 5) = 7

6 0

3 years ago

1<br>Prove that<br>1: sin/1-cot + cos/1-tan=cos+sin

Anit [1.1K]

Answer:

have:

$\frac{sin}{1-cot}+\frac{cos}{1-tan}\\\\=\frac{sin}{1-\frac{cos}{sin} }+\frac{cos}{1-\frac{sin}{cos} }\\\\=\frac{sin^{2} }{sin-cos}+\frac{cos^{2} }{cos-sin} \\\\=\frac{sin^{2} }{sin-cos}-\frac{cos^{2} }{cos-sin}\\\\=\frac{sin^{2}-cos^{2} }{sin - cos}\\\\=\frac{(sin-cos)(sin+cos)}{sin-cos}\\\\=sin+cos$

Step-by-step explanation:

4 0

3 years ago