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natulia [17]
3 years ago
9

Mary wanted to know the amount of time7th grade students spend on homework each week, so she surveyed 20 students at random. The

results are shown below. There are 164 students in the 7th grade. Predict how many 7th grade students spend 5 hours on homework in a week.
Mathematics
2 answers:
Korvikt [17]3 years ago
7 0

Step-by-step explanation:

damaskus [11]3 years ago
6 0

Answer: ?

Step-by-step explanation:

I can’t see or read the results of the survey, so I can’t answer this question. If I did, I could answer this with you! Do you have the results of it, or can you say it!

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<img src="https://tex.z-dn.net/?f=4%3D%5Cfrac%7B6%7D%7Ba%7Dx%2B5" id="TexFormula1" title="4=\frac{6}{a}x+5" alt="4=\frac{6}{a}x+
docker41 [41]
What exactly is it asking for you to do?
4 0
3 years ago
A sector with a radius of 6 cm has a central angle measure of 4pi/9 (in radians). What is the area of the sector?
Usimov [2.4K]

Answer:

The area of the sector is 25.1327 cm²

Step-by-step explanation:

The area of a sector of circunference delimited by an angle in radians can be calculated by using the formula below:

area = (angle*r²)/2

area = [(4*pi/9)*(6)²]/2

area = [(4*pi/9)*36]/2

area = (144*pi/9)/2

area =  144*pi/18

area = 8*pi

area = 25.1327 cm²

The area of the sector is 25.1327 cm²

8 0
3 years ago
Prove This :<br><br>sin(A+B)+sin(A−B)=2sinA⋅cosB​
MaRussiya [10]

Answer:

We know

sin (A + B) = sin A cos B + cos A sin B

sin (A - B) = sin A cos B - cos A sin B

(A + B) + sin (A - B)

= sin A cos B + cos A sin B + sin A cos B - cos A sin B

= sin A cos B + sin A cos B

= 2 sin A cos B

3 0
3 years ago
I'LL A LOT OF POINT'S
Over [174]
Exponential :))))))))))))))))
3 0
3 years ago
PLEASE HURRY!!!!!!!!
Afina-wow [57]

Answer:

c

Step-by-step explanation:

Quantitative are numeric.

Qualitative are a categorical variable.(eye color)

6 0
3 years ago
Read 2 more answers
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