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aliina [53]
3 years ago
13

The sum of a number times 9 and 21 is at most -25.

Mathematics
1 answer:
madreJ [45]3 years ago
4 0

Answer:

x>= -46/9 (x greater than or equal to -46/9)

Step-by-step explanation:

when translating the question, at most means that it is less than or equal to the value being named, therefore the equation is 9x+21<= -25

to begin solving we subtract 21 from both sides and get 9x<=-46

then when we divide by 9 we have to flip the less than sign because we have to flip it if we multiply or divide.

This gives us the answer, x>=-46/9 which does not simplify any further

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ollegr [7]
(x+6)(x+9) = 0
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Answer is A. -6 and -9
8 0
3 years ago
What is the profitability index of an investment with cash flows in years 0 thru 4 of -340, 120, 130, 153, and 166, respectively
ki77a [65]

The profitability index of an investment with cash flows in years 0 thru 4 of -340, 120, 130, 153, and 166, respectively, and a discount rate of 16 percent is: 15%.

<h3>Profitability index</h3>

First step is to find the Net present value (NPV)  of the given cash flow using discount rate PVF 16% and PV of cash flow which in turn will give us net present value of 49.7.

Second step is to calculate the profitability index

Profitability index  = 49.7/340

Profitability index  = .15×100

Profitability index=15%

Therefore the profitability index of an investment with cash flows in years 0 thru 4 of -340, 120, 130, 153, and 166, respectively, and a discount rate of 16 percent is: 15%.

Learn more about Profitability index here:brainly.com/question/3805108

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3 0
1 year ago
Given the information below, QRS is UVT similar to ? If so, give the scale factor.
viktelen [127]
Look\ at\ the\ picture.\\\\\Delta QRS\sim\Delta UVT\ if\ \frac{|QR|}{|UV|}=\frac{|RS|}{|VT|}\\\\\frac{|QR|}{|UV|}=\frac{8}{18}=\frac{4}{9}\\\\\frac{|RS|}{|VT|}=\frac{16}{34}=\frac{8}{17}\\\\Answer:A.\ No,\ the\ triangles\ are\ not\ similar.

4 0
3 years ago
Jane travels 7/8 distance to school by car, and walks the rest of the way. If she walks about 440 yd, what is the distance in mi
Vikentia [17]
ANSWER: 3,520 yards = 2 miles.

440 yds is 1/8. Multiply 440 by 8 to get the full distance. Hope this helps! :)
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3 years ago
A 7th grade teacher at a local middle school wants to know which
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The answer is Option C) 7th graders in her school.

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7 0
2 years ago
Read 2 more answers
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