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Mademuasel [1]
3 years ago
10

Please answer quickly ASAP: How do you find the area of a trapezoid?

Mathematics
1 answer:
erica [24]3 years ago
5 0

Answer:

To find the area of a trapezoid, multiply the sum of the bases (the parallel sides) by the height (the perpendicular distance between the bases), and then divide by 2.

Step-by-step explanation:

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Last year Tamera made $42,786 how much did she make each month
LUCKY_DIMON [66]

42,786  divided by 12 = 3,565.5

5 0
4 years ago
Solve for x show work 4(x+1)=-3x-10
Natalija [7]

Answer:

x= -2

Step-by-step explanation:

4x+4=-3x-10

7x+4=-10

7x=-14

x=-2    

8 0
4 years ago
If a^2+1/a^2=79 where (a>0), find the value of a^3 +1/a^3
Nastasia [14]

Note the binomial expansion,

(<em>a</em> + 1/<em>a</em>)³ = <em>a</em> ³ + 3<em>a</em> + 3/<em>a</em> + 1/<em>a</em> ³

so

<em>a</em> ³ + 1/<em>a</em> ³ = (<em>a</em> + 1/<em>a</em>)³ - 3 (<em>a</em> + 1/<em>a</em>)

Similarly,

(<em>a</em> + 1/<em>a</em>)² = <em>a</em> ² + 2 + 1/<em>a</em> ²

We're given <em>a</em> ² + 1/<em>a</em> ² = 79, so

(<em>a</em> + 1/<em>a</em>)² - 2 = 79

(<em>a</em> + 1/<em>a</em>)² = 81

<em>a</em> + 1/<em>a</em> = ±9

but <em>a</em> > 0, so we ignore the negative solution.

Then

<em>a</em> ³ + 1/<em>a</em> ³ = 9³ - 3×9 = 702

7 0
3 years ago
A sphere has a volume of approximately 24,416.64 cubic inches (using 3.14 for π).
TEA [102]

Answer:

<u>The diameter of the sphere is = 36 in.</u>

<u></u>

Step-by-step explanation:

V = 4π r^3/3

24416.64 = (4(3.14) r^3)/3

73249.92 = 12.56 r^3

r^3 = 5832

r = cube root of 5832 = 18

<u>diameter = 36 in.</u>

<u></u>

3 0
3 years ago
The angles formed by two perpendicular lines have a measure of _______.
Tpy6a [65]
The answer is 90 degrees. SO it would be B
7 0
3 years ago
Read 2 more answers
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