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denpristay [2]
3 years ago
14

Which of the following are monomials ?

Mathematics
1 answer:
yawa3891 [41]3 years ago
3 0
The answer would be C and E
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Write an equation of the line that passes through the points (-1, -2) and (2.4)
Lelu [443]

Answer:

As eq of line passing through 2 points is

y-y1 = (y2-y1)/(x2-x1) ][ x -x1)

where (X1,y1)( x2, y2) denotes points lying on line

substitute (X1 ,y1) by( -1,-2) and (X2,y2) by( 2,4)

y+2 = 6/3 )( x+1)

y+2= 2x +2

y = 2x is required equation

3 0
3 years ago
Now suppose that bigger cups are ordered and the machine’s mean amount dispensed is set at μ=12. Assuming we can precisely adjus
Elina [12.6K]

Answer:

σ should be adjusted at 0.5.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean 12.

Assuming we can precisely adjust σ, what should we set σtobe so that the actual amount dispensed is between 11 and 13 ounces, 95% of the time?

13 should be 2 standard deviations above the mean of 12, and 11 should be two standard deviations below the mean.

So 1 should be worth two standard deviations. Then

2\sigma = 1

\sigma = \frac{1}{2}

\sigma = 0.5

σ should be adjusted at 0.5.

4 0
2 years ago
In Ellen's math class, there were 2 boys to every 3 girls. Which of the following could be the ratio of girls to boys in the cla
FinnZ [79.3K]

Answer:

A . 17/21

B . 14/21

C . 7/14

D. 11/17

Step-by-step explanation:

4 0
3 years ago
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A pitcher of fruit punch holds 2 gallons. If 9 people share the punch, how much does each person get? Answer needs to be in frac
Oxana [17]
There are 2 gallons divided among 9 people
2gallons/9people
2/9 gallons/person

Hope this helps!
6 0
3 years ago
Please help me! Which triangles are similar to
Anarel [89]

Answer:

Triangle ABC and triangle EDF

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2 years ago
Read 2 more answers
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