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Sophie [7]
3 years ago
6

Expand and simplify (2x^2)(4x+5)-8x(x^2-2)

Mathematics
1 answer:
Olegator [25]3 years ago
5 0
The answer would be 10x^2 + 16x

good luck on whatever it is you’re doing ^^
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Jason bought a car for $12500. According to the insurance company, the value of the car depreciates by 7% each year. What will t
Orlov [11]

Answer:

8696.10

Step-by-step explanation:

If a car depreciates by 7% each year, this means that 7% of its value that year is subtracted from its previous value. In other words, you can multiply its value by (1-0.07)=0.93.

12500\cdot 0.93^5\approx 8696.10. Hope this helps!

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Latrina received 18 letters and 8 bills. What is the ratio of bills to letters?
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Step-by-step explanation:

8 to 18

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How to find area of polygon please explain
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To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothegm. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothegm = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

5 0
3 years ago
What is the length of segment CD question mark
blagie [28]

Answer:

CD = two square root of 10 end square root

Step-by-step explanation:

To find the length of a segment, use the distance formula. Substitute the order pairs for the endpoints of the segment. CD has the end points (-7, -4) and (-1, -2).

d = \sqrt{(y_2-y_1)^2 + (x_2-x_1)^2} \\\\d = \sqrt{(-4--2)^2 + (-7--1)^2} \\\\d = \sqrt{-2^2 + -6^2}\\\\d = \sqrt{4 + 36}\\\\d=\sqrt {40} = 2\sqrt{10}

8 0
3 years ago
The length of a rectangle is 3 times the width. If the perimeter is to be greater than 56 meter. What are the lossible values fo
lidiya [134]

Answer:

w > 7

Step-by-step explanation:

L = 3w

2L + 2w > 56

sub for L

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Check: L = 3(8)

L = 24

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48 + 16 > 56

64 > 56

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3 years ago
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