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s2008m [1.1K]
3 years ago
10

Will give brainliest worth 10 points'

Mathematics
2 answers:
Zigmanuir [339]3 years ago
8 0
–112.84 – 54.14 – (–29.18) = <span>−<span>137.8

Your answer is A. </span></span><span>−<span>137.8

Hoped I helped!</span></span>
Zanzabum3 years ago
7 0
The answer is going to be -137.8
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Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 579 and a standard deviation of 94. Use
Nata [24]

Answer:

The percentage of people taking the test who score between 391 and 767 is 95%.

Step-by-step explanation:

The Empirical Rule(68-95-99.7 Rule) states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 579

Standard deviation = 94

391 = 579 - 2*94

So 391 is two standard deviations below the mean.

767 = 579 + 2*94

So 767 is two standard deviations above the mean.

By the Empirical Rule:

The percentage of people taking the test who score between 391 and 767 is 95%.

4 0
3 years ago
Simplify the polynomial by using foil or box method <br> (2y-1)(y+4)
Sav [38]
So foil
2y² +8y -y-4 = 2y²+7y-4
3 0
3 years ago
Plane ABC and plane BCE______be the same plane. A.May B.Must C.Cannot
Nuetrik [128]

Answer:

So, Plane ABC and plane BCE _may_ be the same plane.

Step-by-step explanation:

This happens when E is on Plane ABC (or you could say, A is on Plane BCE).  If not, then they are two different planes.

6 0
2 years ago
What is the mean of the high temperatures, in degrees Fahrenheit, for the week? Show your work.
DiKsa [7]
The mean is the average, so add all the numbers and divide by 7 (7 terms).

-14 is the sum, divided by 7 = -2

The mean is -2.
7 0
3 years ago
A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.
Marianna [84]

Answer:

Circumference= 43.96 feet

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= 2\pi r

As, \pi =\frac{22}{7}=3.14

Circumference:

                          =2*3.14*7\\\\=3.14*14\\\\=43.96feet

The circumference of the circle with the radius= 7 feet is 43.96 feet

6 0
3 years ago
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