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marissa [1.9K]
3 years ago
7

Consider the variable race. What frequency of observations are Black and what frequency are Latino? A. 7 are black and 5 are Lat

ino B.7 are Black and 4 are Latino C. 4 are black and 8 are latino D.8 are black and 4 are Latino E. 1 is black and 1 is Latino
Mathematics
1 answer:
AURORKA [14]3 years ago
8 0

Answer:

The answer is 8 are Black and 4 are Latino

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Two integers have a sum of -44 and a difference of 22. The greater of the two integers is
Leni [432]

Answer:

  -11

Step-by-step explanation:

The generic solution to ...

  • a + b = sum
  • a - b = difference

Can be found by adding the two equations:

  (a+b) + (a-b) = (sum) + (difference)

  2a = (sum + difference)

  a = (sum + difference)/2

___

Our particular solution is ...

  a = (-44 +22)/2 = -11

The greater of the two numbers is -11.

___

The other number is -33.

5 0
3 years ago
You spend 8 hours each weekday at school. Write the portion of a weekday spent a school as a fraction, decimal, and a percent. W
tankabanditka [31]

Answer: 32/56, 0.57, 57% rounded = 60%

Step-by-step explanation: 8 times 7 =56 and 8 times 4= 32. our fraction is 32/56. divide 32 by 56 to make out a decimal= 0.57. Multiply 0.57 by 100 to make out a percent = 57%

3 0
3 years ago
How do I do the power rule I don't understand
Yakvenalex [24]
You multiply the number by itself however many times it says for example 2 to the second power 2x2 is 4
3 0
3 years ago
V (t)=32t <br> If a rock dropped off a bridge, how fast will it be falling after 3 seconds
kondor19780726 [428]
V(t) = 32t

when t = 3 seconds,

V = 32*3

V = 96

So velocity will be 96 units/s     after 3 seconds.
6 0
3 years ago
The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 1800 hours and a standard deviation
DedPeter [7]

Answer: 68% of light bulbs last between 1765 hours and 1835 hours.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 1800 hours and the standard deviation is 35 hours.

1 standard deviation = 1 × 35 = 35

1800 - 35 = 1765 hours

1800 + 35 = 1835 hours

Therefore, 68% of light bulbs last between 1765 hours and 1835 hours.

6 0
3 years ago
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