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-Dominant- [34]
3 years ago
10

BRAINLIEST

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0

Answer:

1. 2.9

2. 51 inches

3. (if you can send a picture of the question, I can tell you an answer.

Step-by-step explanation:

for number 1:

You have to add the scores on the left and divide it by the total. What I did was multiply each number on the right with it's pair and added it up. I got 111. Afterwards,  I totalled the number of students (I got 38) and divided the scores by the number of students to get 2.9.

for number 2:

You do the same thing as number one but instead of multiplying pairs, you add the heights. I got 255 and then divided it by 5 total heights. I got 51 inches.

for number 3: I didn't get the graph to tell you the answer but I can tell you what everything means.

Symmetric means that both sides of the graph are equal and if you fold the graph in half horizontally, you should get the same shape.

Gaps are where you see blanks in the graph where the data gets cut off and then has stats again.

Cluster is when a huge amount of data is gathered in one area.

Peak is where the data (x-axis) reaches it's highest point (highest y-axis point).

Good luck and please give me Brainliest if you liked my answer!

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work it out "the equation 1.5r + 15=2.25r represents the number r of movies u must rent to spend the same amount at each movie s
Alex17521 [72]

Answer:

  20

Step-by-step explanation:

Your equation is correct. To solve it subtract 1.5r from both sides and divide by the resulting coefficient of r.

  15 = 0.75r

  15/0.75 = r = 20

You must rent 20 movies for the costs to be the same.

4 0
3 years ago
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bezimeni [28]
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6 0
3 years ago
Using a formula estimate the body surface area of a person whose height is 150 cm and who weighs 80 kg.
ladessa [460]

Answer:

B. 1.83\text{ m}^2

Step-by-step explanation:

We are asked to find the body surface area of a person whose height is 150 cm and who weighs 80 kg.

\text{Body surface area}( m^2)=\sqrt{\frac{\text{Height (cm)}\times \text{Weight (kg)}}{3600}}

Substitute the values:

\text{Body surface area}( m^2)=\sqrt{\frac{150\text{ cm}\times 80\text{(kg)}}{3600}}

\text{Body surface area}( m^2)=\sqrt{\frac{12,000}{3600}}

\text{Body surface area}( m^2)=\sqrt{3.3333333}

\text{Body surface area}( m^2)=1.825741

\text{Body surface area}( m^2)=1.83

Therefore, the body surface area of the person would be 1.83 square meters.

7 0
3 years ago
Write a fraction that is equivalent to a terminating decimal between .5 and .75?
Dovator [93]
Dhdhdhdjdjhsjsndnjdjdbdndjdjd
8 0
4 years ago
Which of the following statements exemplifies a null hypothesis?
elixir [45]

Answer:

(A) there is no relationship between gender and jury verdicts

Step-by-step explanation:

The null hypothesis is the one in which we assume that there are no relationship between measures.

In this exercise, the only option that assume no relationship between measures(gender and jury verdicts) is

(A) there is no relationship between gender and jury verdicts

5 0
4 years ago
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