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lilavasa [31]
3 years ago
6

Which expression can be written as 4 • (3 8)?

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0
The answer is D. 4 • 38
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A box of cereal was marked down $0.72. if it usually costs 3.60 what is the discount of percent
hram777 [196]
The answer would be a 5% discount.
6 0
3 years ago
Let’s assume that human body temperatures are normally distributed with a mean of 98.20° F and a standard deviation of 0.62° F.
uysha [10]

Answer: It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

Step-by-step explanation:

Since we have given that

Mean = 98.20°F

Standard deviation = 0.62°F

If  Bellevue Hospital in New York City uses 100.6°F as the lowest temperature considered to be a fever.

So, \bar{X}=100.6^\circ F

So, using the normal distribution, we first find the value of z.

z=\dfrac{\bar{x}-\mu}{\sigma}\\\\x=\dfrac{100.6-98.2}{0.62}\\\\z=3.87

Since z = 3.87

So, p = 0.0001 =0.1%

So,It is such a small percentage of the population that would be considered to have fever at that level.

So, it is not appropriate stringent standard.

4 0
3 years ago
Two-fifths of one less than a number is less than three-fifths of one more than that number. What numbers are in the solution se
yaroslaw [1]
2/5 * (n - 1) < 3/5 * (n + 1)
2/5 * n - 2/5 < 3/5 * n + 3/5
- 2/5 - 3/5 < 3/5 * n - 2/5 * n
- 5/5 < 1/5 * n
- 1 < 1/5 * n      /*5
- 5 < n
n > - 5

n = x

The correct result would be B) <span>x > - 5.</span>
7 0
3 years ago
Read 2 more answers
Use the commutative law of addition to write a equivalent expression ab+c
Scilla [17]

Answer:

c + ab

Step-by-step explanation:

The way an expression is written is the given you have presented to us.

The commutative law of addition would turn it around as

c + ab.

It just means change the order when adding. Not all systems allow this. It matters which way you put it in some systems.

5 0
2 years ago
The implication x =&gt; y is equivalent to ??​
saveliy_v [14]

y <= x

Hope this helps! :)

8 0
2 years ago
Read 2 more answers
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