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Marianna [84]
2 years ago
11

If Mrs. White gets paid $300.00 for working 40 hours, how much did she get paid for 1 hour

Mathematics
2 answers:
Lelu [443]2 years ago
6 0

Answer:

7.5 dollars i think

Step-by-step explanation:

gizmo_the_mogwai [7]2 years ago
5 0

Answer:

7.5 dollars per hour

Step-by-step explanation:

Dollars earned/hours worked= dollars per hour

$300/40 hours=$7.5 per hour

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Leon has 16 fewer quarters than dimes. He has 34 quarters.
ELEN [110]

Answer:

A grand total of 50 dimes

Step-by-step explanation:

7 0
3 years ago
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Please look at the included picture, show me your work and please include a good explanation. It would really help me out here.
Jobisdone [24]

These are indeed equivalent, and this identity is one of DeMorgan's laws.

The 6th column is the negation of the 5th column. For example, the first row says

not <em>p</em> or <em>q</em>

is true (T), so the negation would be false (F). The 5th column reads {T, F, T, T}, so the next column should be {F, T, F, F}.

Then in the 7th/last column, you are checking the truth value of the statement

<em>p</em> and not <em>q</em>

For example, in the first row, both <em>p</em> and <em>q</em> are true (T). This means (not <em>q</em>) is false, so (<em>p</em> and not <em>q</em>) is false (F). The last column should end up reading {F, T, F, F}, same as the previous column.

8 0
3 years ago
You bought a magazine for $5 and four erasers. You spend a total of $25. How much did each eraser cost?
Lesechka [4]

Subtract magazine from total:

25 -5 = 20

Divide by number of erasers:

20/4 = 5

Each eraser cost $5

5 0
3 years ago
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Raw scores on a certain standardized test one year were normally distributed, with a mean of 156 and a standard deviation of 23.
s344n2d4d5 [400]

Answer:

About 220 of the students scored less than 96

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 156 and a standard deviation of 23.

This means that \mu = 156, \sigma = 23

Proportion that scored less than 96:

p-value of Z when X = 96. So

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

Z = \frac{96 - 156}{23}

Z = -2.61

Z = -2.61 has a p-value of 0.00453.

About how many of the students scored less than 96?

0.00453 out of 48592.

0.00453*48592 = 220.1.

Rounding to the closest integer:

About 220 of the students scored less than 96

3 0
3 years ago
I would really appreciate some help on this 7th grade math worksheet please
ivolga24 [154]

Answer:

Step-by-step explanation:

Find the next three terms: 9,4,-,1,-6,-11,<u>-16....</u>

This is arithmetic progression.

d = 4 - 9 = -5

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2) You know that........

The other integer is greater than 5 and the sign of the other number is + (positive sign)

Eg: (-5)+ 11 = 6

3) Cost of one gallon = 46.20/12 = $ 3.85

7 0
3 years ago
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