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gregori [183]
3 years ago
11

What's the answer ????

Mathematics
1 answer:
faust18 [17]3 years ago
8 0
The answer is (-4, 5).
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What 2 numbers multiply to -147 but add to -14?
Bezzdna [24]
Okay, so let's go over multiplying negative numbers.  A positive times a positive is a positive, right?  But a negative times a negative is also a positive.  Only a negative times a positive (or a positive times a negative) gives you a negative number.  So, we know that one of our 2 numbers in this question must be negative; the other must be positive.

Let's now take a look at the factors of -147, starting with the positives.  Obviously, -147 and 1 are factors: -147 * 1 = -147.  What other factors of -147 are there?

What about 7?  Try it: -147 / 7 = -21.  So here are two factors: -21, and 7.  They multiply to -147.  Do they add up to -14?  Let's see: -21+7 = 7+(-21) = 7-21= -14.  Yup, that works!

Answer: -21 and 7
4 0
3 years ago
The maybe pay life insurance co. is trying to sell you an investment policy that will pay you and your heirs $39,000 per year fo
Lorico [155]
This cash flow is a perpetuity. To find the present value of perpetuity, we use the equation of
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5 0
3 years ago
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Install (if you have a computer) and get familiar with Mathematica . Plot a Sin function over a range that is three times the pe
netineya [11]

Answer:

The period of the \sin function is 2\pi. Then three times this period is 6\pi.

Step-by-step explanation:

Using Mathematica you can use the command Plot as follows:

```

Plot[Sin[x], {x,0,6Pi}]

```

The output is the graph shown below.

3 0
3 years ago
How many integer divisors does 7 have?
Vadim26 [7]

Answer:

4

Step-by-step explanation:

7 is a Prime number and has 4 integer divisors

These are ± 1 and ± 7

3 0
3 years ago
9,240 yd= how many mi?
gizmo_the_mogwai [7]

Answer:

5.25 miles

Step-by-step explanation:

3 0
2 years ago
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