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anastassius [24]
3 years ago
14

Barbara buys a box of pens for $4. For every additional box she buys, she gets a $1 discount.

Mathematics
2 answers:
k0ka [10]3 years ago
8 0
Need more information
Zepler [3.9K]3 years ago
5 0
The answer is 3 dollers
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I think the answer is 1 point
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It should look like this

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3 years ago
The lines below are parallel. If the slope of the green line is -3, what is the slope of the red line?
natima [27]

Answer:

The lines would be equal, meaning the slope of the red line is also -3.

Step-by-step explanation:

SIMPLE:
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3 0
2 years ago
Assume the heights in a male population are normally distributed with mean 70.3 inches and standard deviation 4.1 inches. If a r
klemol [59]

Answer:

73.1 inches

Step-by-step explanation:

We solve for this using z score formula.

z-score is z = (x-μ)/σ,

where x is the raw score,

μ is the population mean

σ is the population standard deviation.

x = unknown = randomly selected male's height

μ = 70.3 inches

σ = 4.1 inches

z = is not given but we are given its percentile which is 75

The z score for a 75th percentile = 0.674

Hence,

0.674 = x - 70.3/4.1

Cross Multiply

0.674 × 4.1 = x - 70.3

2.7634 = x - 70.3

x = 70.3 + 2.7634

x = 73.0634 inches

The height of the randomly selected male = 73.0634

Therefore, the height of the randomly selected male to the nearest tenth of an inch is 73.1 inches

7 0
3 years ago
What is the answer to thirty nine times thirteen
laila [671]

The answer is 507.

hope this helps!

-Autumn Leaves

7 0
3 years ago
Read 2 more answers
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