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lesya [120]
3 years ago
9

You randomly survey 40 students about whether they play an instrument. You find that 8 males play an instrument and 13 females d

o not play an instrument. A total of 17 students in the survey play an instrument. Make a two-way table that includes the marginal frequencies.
Mathematics
1 answer:
VashaNatasha [74]3 years ago
7 0

Answer:

Step-by-step explanation:

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Five less than a number
Lena [83]

Answer:

n - 5

Step-by-step explanation:

We can represent any number as n:

Any number can be n. Now it is five less or:

-5

Creating an equation gives n - 5 as our answer.

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3 years ago
Find the area of the semi circle with Diameter of 4
daser333 [38]

Answer:

Find the area of the semi circle with Diameter of 4

2π

6.3

Step-by-step explanation:

The area formula for semicircle is (πr^2)/2.

r=2 because radius is half of diameter.

(π(2)^2)/2, 2 squared= 4 and half of it is 2. = 2π

2π would round to the nearest tenths is 6.3.

6 0
3 years ago
WILL GIVE BRAINLIEST1!! | Help pls cries (pls tell me how u got the answer too)
lakkis [162]

2 angles opposite from each other are vertical angles.

Vertical angles are equal to each other.

Since Y is opposite the given angle of 163 degrees, Y = 163.


4 0
3 years ago
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Apply the following translation to the point Q (-5, -1):
xxTIMURxx [149]

Answer:

okkk

Step-by-step explanation:

4 0
3 years ago
When solving the equation 4(3x+2)-9=8x+7, Emily wrote 4(3x+2)=8x+16 as her first step. Which property justifies Emily's first st
nataly862011 [7]
The Addition Property of Equality justifies Emily's first step. She added 9 to both sides, canceling out the minus 9 while keeping the equation equal.
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