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4 years ago

Ok last problem of the day

Mathematics

1 answer:

tatuchka [14]4 years ago

3 0

Answer: 36/25
Steps: Evaluate the power & reduce
(3•2/5)^2 • (1/5^-3) ^3 • 5^-9
Rewrite
9•4/25 • 5^9 • 5^-9
Write in exponential form
9•4/5^2 • 5^9 • 5^-9
Reduce expression
9•4•5^7 •5^-9
Calculate
36•5^-2
Express with a positive exponent
36• 1/5^2
Evaluate & Calculate
36•1/25 → 36/25

Hope this helps ʕ•ᴥ•ʔ

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Answer:

x=28/5, one solution.

Step-by-step explanation:

2(2x-10)-8=2(14-3x)

4x-20-8=28-6x

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Answer:

Step-by-step explanation:

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3 years ago

Find each product<br> y(9 + 2y)

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3 years ago

Read 2 more answers

Most plumbing companies charge a fee to come to your house plus a charge per hour of work. The fees and charges for two plumbing

lord [1]

Answer:

Company A: $y=40x+50$

Company B: $y=50x+25$

Step-by-step explanation:

The initial fee is the y-intercept, as that is the cost at x = 0, or the cost before any time has passed. Afterwards, the rate the cost increases is the slope.

Linear equation in slope-intercept form:

$y=mx+b$

where m is the slope and b is the y-intercept.

Company A charges $50 up front and $40 per hour afterwards, so the equation would be:

$y=40x+50$

Company B charges $25 up front and $50 per hour, so:

$y=50x+25$

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3 years ago