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aleksandrvk [35]
3 years ago
12

What two numbers multiply to -16 and add to 6

Mathematics
1 answer:
joja [24]3 years ago
3 0

Answer:

8 and -2

Step-by-step explanation:

8 (-2) = -16

8 + (-2) = 6

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15 is 0.4% of what number?
zavuch27 [327]
 0.4 is 100% - because it's the output value of the task. <span>If 0.4 is 100%, so wyou can write it down as 0.4=100%. </span><span>We know, that x is 15% of the output value, so we can write it down as x=15%. so your anser is 15</span>
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3 years ago
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In the diagram below, E T, E, T, end overline is parallel to W A, W, A, e. Find the perimeter of △ P A W △PAWtriangle, P, A, W.
svetlana [45]

Answer:

20.5

Step-by-step explanation:

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3 years ago
Robert took out an 80/20 mortgage to buy a $145,000 house. The first (80%) mortgage has an interest rate of 4.75%, and the secon
barxatty [35]
<h3>Answer:</h3>

$808.38

<h3>Explanation:</h3>

The formula for the payment amount (A) on principal P at interest rate r compounded monthly for a loan period of t years is ...

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... A = 0.80·145000·(.0475/12)/(1 -(1 +.0475/12)^(-12·30)) = 605.11

For the piggyback loan, the payment is ...

... A = 0.20·145000·(.07525/12)/(1 -(1 +.07525/12)^(-12·30)) = 203.27

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5 0
3 years ago
How much is 5 divided by 4.9​
jok3333 [9.3K]

Answer:

1.02

Step-by-step explanation:

8 0
3 years ago
Hi there,<br> I need help to solve the perimeter and the surface area of this shape.<br> Thanks!
leonid [27]

Answer:  Perimeter = 6π ≈ 18.84

                         Area = 15π ≈ 47.10

<u>Step-by-step explanation:</u>

This is a composite of a big semicircle with diameter of 10 --> radius (r) = 5

plus a medium semicircle with diameter of 6 --> r = 3

minus a small semicircle with diameter of 4 --> r = 2

Perimeter of a semicircle = \dfrac{1}{2}(2\pi r)=\pi r

P_{big}=\pi (5)\quad =5\pi\\P_{medium}=\pi (3)\quad =3\pi\\P_{small}=\pi (2)\quad =2\pi\\P_{composite} =5\pi+3\pi -2\pi\\.\qquad \qquad =\large\boxed{6\pi}

Area of a semicircle = \dfrac{1}{2}(\pi r^2)

A_{big}=\dfrac{1}{2}\pi (5)^2\quad =12.5\pi\\\\A_{medium}=\dfrac{1}{2}\pi (3)^2\quad =4.5\pi\\\\A_{small}=\dfrac{1}{2}\pi (2)^2\quad =2\pi\\\\A_{composite} =12.5\pi+4.5\pi -2\pi\\\\.\qquad \qquad =\large\boxed{15\pi}

8 0
3 years ago
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