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Kaylis [27]
3 years ago
8

What is the explanation for rate: 120 questions in 3 hours

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0
120/3 = 40

40 questions an hour.
nydimaria [60]3 years ago
7 0
The rate would be 40 questions per hour
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Eric is 6ft 2 in. tall. His brother is 4ft 9 in.tall.How many inches taller is Eric than his brother?
Oksanka [162]

Answer:

17

Step-by-step explanation:

6ft and 2 in === 74 in

4ft and 9 in === 57 in

74-57 = 17 in

5 0
3 years ago
Read 2 more answers
How to solve for area of triangle where A=67 degrees, b=11yd, and c=24yd
skad [1K]

Use the formula of an area of a tringle:

A=\dfrac{1}{2}bc\sin A

We have b = 11 yd, c = 24 yd and m∠A = 67°

A=\dfrac{1}{2}(11)(24)\sin67^o

\sin67^o\approx0.9205\\\A=(11)(12)(0.9205)=121.506\ yd^2

4 0
3 years ago
The purpose of statistical inference is to make estimates or draw conclusions about a.
Free_Kalibri [48]

<u>When we make estimates of or draw conclusions about one or more characteristics of a population based upon the </u><u>sample</u><u>, we are using the process of </u><u>statistical inference</u><u>.</u>

  • To estimate this sample to sample variance or uncertainty is the goal of statistical inference.

What is the purpose of statistical inferences ?

  • To be able to make inferences about a population based on data from a sample is the goal of statistical inference.
  • The process of statistical inference involves selecting a sample, gathering data from that sample, calculating a statistic from the data, and drawing conclusions about the population from that statistic.

How is statistical inference used to draw conclusions?

Estimation and hypothesis testing are components of statistical inference (evaluating a notion about a population using a sample) (estimating the value or potential range of values of some characteristic of the population based on that of a sample).

Learn more about statistical inference

brainly.com/question/3640262

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4 0
2 years ago
Plz help me with this
hichkok12 [17]

Answer:

8

Step-by-step explanation:

0.3{10} + 10 / 2

3 + 10/2

3 + 5

8

8 0
4 years ago
Read 2 more answers
Talia sells educational software for a yearly salary of $65,000 plus a 2.65% commission on her total sales. If Talia sells $2.5
Bad White [126]

Answer:

$131250

Step-by-step explanation:

Talia's earnings during one year are equal to her base yearly salary ($65000) added to her commission. Now, to know the commission it is necessary to find the 2.65% of her total sales ($2.5 million)

Step 1. Divide the total sales or 2,500,000 by 100 considering this represents the total or 100%

2,500,000 ÷ 100 = 25000

Step 2. Multiply this number by the specific percentage (2.65)

25000 x 2.65 = 66250

Now add the commission and the yearly salary

65000 + 66250 = 131250

Hence, total earnings of Talia were $131250

4 0
2 years ago
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