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3 years ago

9

Which arrow indicates the direction of gravitational force on the object, represented by the black dot?

2 answers:

DedPeter [7]3 years ago

7 0

Answer:

cccccccccccccccccccccccc

Step-by-step explanation:

Sedaia [141]3 years ago

4 0

Answer:

Which arrow indicates the direction of gravitational force on the object, represented by the black dot?

C

Which arrow indicates the direction of centripetal force on the object, represented by the black dot?

C

Step-by-step explanation:

I just answered it on E2020

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write each of the following products in standard polynomial form. (a) (x+3)(x-2)(x-8) (b) (x+2)(x-2)(x+3)(x-3)

Annette [7]

Answer: A)x²+x-6 B) 2x²-13

Step-by-step explanation: A) (x+3)(x-2)(x-8) = x²-2x+3x-6 = x²+x-6

B) (x+2)(x-2)(x+3)(x-3) =→ x²-2x+2x-4 = x²-4

→x²-3x+3x-9 = x²-9

∴x²-4+x²-9 = <u><em>2x²-13</em></u>

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3 years ago

The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:

blsea [12.9K]

Answer:

The standard deviation of the age distribution is 6.2899 years.

Step-by-step explanation:

The formula to compute the standard deviation is:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

The data provided is:

X = {19, 19, 21, 25, 25, 28, 29, 30, 31, 32, 40}

Compute the mean of the data as follows:

$\bar x=\frac{1}{n}\sum\limits^{n}_{i=1}{x_{i}}$

$=\frac{1}{11}\times [19+19+21+...+40]\\\\=\frac{299}{11}\\\\=27.182$

Compute the standard deviation as follows:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

$=\sqrt{\frac{1}{11-1}\times [(19-27.182)^{2}+(19-27.182)^{2}+...+(40-27.182)^{2}]}}\\\\=\sqrt{\frac{395.6364}{10}}\\\\=6.28996\\\\\approx 6.2899$

Thus, the standard deviation of the age distribution is 6.2899 years.

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3 years ago

My actual weight is 112 pounds. The bathroom scale says that I weigh 111.1

yarga [219]

Answer:

It depends on certain factors

Step-by-step explanation:

If you're wearing shoes and heavy clothing/accessories at the doctors office while stepping on the scale. That could add on as weight. Or either scale (most likely the doctors scale) could pick up your weight more accurately than the other. This depends on the age of the scale or if the scale is electric or not.

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4 years ago

Find the quotient of -88,11

nata0808 [166]

The answer is 11....................

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3 years ago

A sculpture is in the shape of a square pyramid. The sculpture has a height of 6 meters and a volume of 50 cubic meters. Find th

ivann1987 [24]

Answer:

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3 years ago