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Alekssandra [29.7K]
2 years ago
11

Please I need help this is due tomorrow and I'm falling behind :(:

Mathematics
2 answers:
inysia [295]2 years ago
5 0

Answer:

there are 8 one dollar bills and 3 five dollar bills

Step-by-step explanation:

Rama09 [41]2 years ago
4 0
This answer to your is 17
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Graph y = 2x + 2 * Make a table of ordered pairs<br><br> (photo attached)
Gekata [30.6K]
2 Times + 2 =4 table of a pair
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On a coordinate plane, 2 lines intersect around (0.4, 2.8). The graph on the left represents a system of equations. How can the
kompoz [17]

Answer:

How can the solution be located?

find the intersection

Which integers is the x-coordinate between?

0 and 1

Which integers is the y-coordinate between?

2 and 3

What is the solution approximated to the tenths place?

(0.4,2.8)

Step-by-step explanation:

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3 years ago
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Match the part of the circle with the term that best describes it.​
nordsb [41]
GH: chord
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6 0
2 years ago
At a Psychology final exam, the scores are normally distributed with a mean 73 points and a standard deviation of 10.6 points. T
USPshnik [31]

Answer:

The score that separates the lower 5% of the class from the rest of the class is 55.6.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

\mu = 73, \sigma = 10.6

Find the score that separates the lower 5% of the class from the rest of the class.

This score is the 5th percentile, which is X when Z has a pvalue of 0.05. So it is X when Z = -1.645.

Z = \frac{X - \mu}{\sigma}

-1.645 = \frac{X - 73}{10.6}

X - 73 = -1.645*10.6

X = 55.6

The score that separates the lower 5% of the class from the rest of the class is 55.6.

3 0
3 years ago
can two different numbers have the same absolute value? if yes, give an example. if no, explain why not.
jekas [21]
Yes.  Absolute values are always positive, so for example:

the absolute value of 1 is 1, and the absolute value of -1 is also 1


or the absolute value of 7 is 7, and the absolute value of -7 is also 7

and so on!
4 0
3 years ago
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