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mars1129 [50]
3 years ago
15

Use the distributive property to simplify the following expression: 3y(2 - y) + 8y

Mathematics
1 answer:
Debora [2.8K]3 years ago
5 0
3y(2 - y) + 8y
6y - 3y^2 + 8y
-3y^2 + 14 y
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Four interior angles of a pentagon measure 156 degrees 72 degrees 98 degrees and 87 degrees. What is the measure of the final in
zepelin [54]

Answer:

127°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180°(n - 2) ← n is the number of sides

here n = 5 ( Pentagon), hence

sum = 180° × 3 = 540°

To find the fifth angle subtract the sum of the 4 given angles from 540

angle = 540° - (156 + 72 + 98 + 87) = 540° - 413° = 127°


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Find the volume of the cylinder.<br> Either enter an exact answer in terms of π or use 3.14
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Correcto 32 8 x 2 x 2=32
 
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Alexia took out a 12-year loan for $72000 to renovate her home. If her monthly payments are $680, what is the interest rate?
mart [117]

Answer:

intrest equation

I/PT = R

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Step-by-step explanation:

3 0
3 years ago
A map is laid out in the standard (x,y) coordinate plane. How long, in units, is an airplane's path on the map as the airplane f
xeze [42]

Answer:

Distance between the points A and B is 15.52 units.

Step-by-step explanation:

It has been given in the question that an airplane flies along a straight line from City A to City B.

Map has been laid out in the (x, y) coordinate plane and the coordinates of these cities are A(20, 14) and B(5, 10).

Distance between two points A'(x, y) and B'(x', y') is represented by the formula,

d = \sqrt{(x-x')^{2}+(y-y')^{2}}

So we plug in the values of (x, y) and (x', y') in the formula,

d = \sqrt{(20-5)^{2}+(14-10)^{2}}

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d = \sqrt{225+16}

d = 15.52

Therefore, distance between the points A and B is 15.52 units.

4 0
3 years ago
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