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Ivahew [28]
3 years ago
5

#2 pls help I don’t know how to do math

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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If Yvaries directly as X, And Y is 6 when X is 72, what is the value of Y when X is 8
Alex787 [66]
Y=6, X=72
Y=?,X=8
12Y=X
12Y/9=X/9
4/3Y=8
Y=8*3/4
Y=6
7 0
4 years ago
HELP ASAP PLEASE (answer all parts please)
Dmitry [639]
The parameter used in the probability is the average number of students represented by u.
How to calculate the probability?
The confidence interval based on the information will be:
= 3.85 - 2.09(1.348 / ✓20)
= 3.22
Also, 3.85 + 2.09(1.348 / ✓20) = 4.48
The confidence interval simply means that one is 95% confident that the true mean is between 3.22 and 4.48.
8 0
2 years ago
Write an algebraic equation to match each graph. (These graphs are not drawn to scale!) please help! i will make brainliest answ
ddd [48]

Answer:

the expression of this function is:

f(x)=|x-1|-1

Step-by-step explanation:

This graph corresponds to an absolute value function, which as you can see has the minimum (vertex) at the point (1, -1) on the plane, and also that goes through the origin of coordinates (0, 0)

therefore, notice that from the point (0, 0) to (1, -1) there is a slope of "-1" which is going to characterize the steepness of the x- variable that resides inside the absolute value function. since the vertex has also moved from the characteristic (0, 0) in the function:

f(x)=|x|

then we have to include a horizontal shift to the right in one unit (by subtracting 1 units from x), and a vertical shift  downwards one unit (by subtracting 1 from the full absolute value expression) in order to shift the vertex to the position (1, -1):

f(x)=|x-1|-1

3 0
3 years ago
Basha's favorite board game has a spinner with nine congruent sections. The spinner has 2 red sections, 3 blue sections, and 4 g
kumpel [21]

Answer:

2/27

Step-by-step explanation:

Step one:

given data

Sample space

2 red sections,

3 blue sections, and

4 green sections

Sample size

2+3+4= 9

Required

The probability of Basha spinning a red on her first spin and a blue on her second spin

Step two:

On the first spin, spinning a red= 2/9

On the second spini, spinning a blue= 3/9= 1/3

Hence, The probability of Basha spinning a red on her first spin and a blue on her second spin= 2/9*1/3= 2/27

5 0
3 years ago
2 2/3 + 3/4 Estimate the Sum or difference
ss7ja [257]
2 2/3=8/3
8/3x3/4=24/12
24/12=2
8 0
2 years ago
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