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Alexxandr [17]
3 years ago
15

20 POINTS PLEASE HELP SOON PLEASE PLEASE PLEASE IM BEGGING YOU EASY MATH QUESTION

Mathematics
1 answer:
alina1380 [7]3 years ago
6 0

Answer:

B. 13xy

hope this helps!

Explanation:

13*7 = 91

13*8 = 104.

Then you can pull one x and one y out. So 13*x*y

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Please help it’s easy I think
Nikitich [7]

The frequency of revision times is given by the product of the frequency

density value and the class width.

Correct response:

  • The number of students are <u>72 students</u>

<h3>Methods of calculation using a histogram</h3>

The estimate of the number of students who revised for less than 45

minutes is given by the area, <em>A,</em> under the histogram to the left of the 45

minute mark as follows;

Frequency, f = Frequency density × Class width

Number of students = ∑f

Therefore;

A = 5 × 2 + 10 × 2.2 + 20 × 1.6 + 10 × 0.8 = 72

  • The number of students that revised for less than 45 minutes = <u>72 </u>students

Learn more about histograms here:

brainly.com/question/17139138

4 0
2 years ago
Can -111/-80 be simplified? If so, what can it be simplified to and how?
jeka94

Answer:

no

Step-by-step explanation:

i cant be simplified

5 0
3 years ago
Please helppppppppp it a exam question i need help
Bumek [7]

Answer:

Step-by-step explanation:

Remember the entire circle has 360 degree. You have everything you need to find angle b.

Your total circle at 360, the measurement 300 and 37.

5 0
3 years ago
Read 2 more answers
In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle. Find the measure
soldi70 [24.7K]

Given:

In a right triangle, the measure of one acute angle is 12 more than twice the measure of the other acute angle.

To find:

The measures of the 2 acute angles of the triangle.

Solution:

Let x be the measure of one acute angle. Then the measure of another acute is (2x+12).

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees. So,

x+(2x+12)+90=180

3x+102=180

3x=180-102

3x=78

Divide both sides by 3.

x=\dfrac{78}{3}

x=26

The measure of one acute angle is 26 degrees. So, the measure of another acute angle is:

2x+12=2(26)+12

2x+12=52+12

2x+12=64

Therefore, the measures of two acute angles are 26° and 64° respectively.

8 0
3 years ago
Which expression can you use to find 16÷4/5?
Archy [21]

16÷4/5 is 0.8

Step-by-step explanation:

i did it in a computer

5 0
3 years ago
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