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4 years ago

Please help please ASAP

Mathematics

2 answers:

Ksenya-84 [330]4 years ago

4 0

No because the y-values are not increasing exponentially. They are only increasing by 4's.

Zigmanuir [339]4 years ago

4 0

Your answer will be no

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If 40% of a given number is 8, then what is 15% of the given number?

Norma-Jean [14]

40% of a given number is 8...
0.40x = 8
x = 8 / 0.40
x = 20....so 20 is the given number

what is 15% of 20...
0.15(20) = 3 <==== ur answer

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3 years ago

Please help me put these in order

Bezzdna [24]

100

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Are you have to do is look at the number very closely

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3 years ago

Part - A

Oduvanchick [21]

Answer:

rule add 15 subtract 10

Step-by-step explanation:

rule add 15 subtract 10

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3 years ago

A $50 item was marked up 20%. What is the total increased cost of the item?

GenaCL600 [577]

They increased it by $10.

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4 years ago

A company manufactures televisions. The average weight of the televisions is 5 pounds with a standard deviation of 0.1 pound. As

Semenov [28]

Answer:

$0.2564\text{ pounds}$

Step-by-step explanation:

The 90th percentile of a normally distributed curve occurs at 1.282 standard deviations. Similarly, the 10th percentile of a normally distributed curve occurs at -1.282 standard deviations.

To find the $X$ percentile for the television weights, use the formula:

$X=\mu +k\sigma$ , where $\mu$ is the average of the set, $k$ is some constant relevant to the percentile you're finding, and $\sigma$ is one standard deviation.

As I mentioned previously, 90th percentile occurs at 1.282 standard deviations. The average of the set and one standard deviation is already given. Substitute $\mu=5$ , $k=1.282$ , and $\sigma=0.1$ :

$X=5+(1.282)(0.1)=5.1282$

Therefore, the 90th percentile weight is 5.1282 pounds.

Repeat the process for calculating the 10th percentile weight:

$X=5+(-1.282)(0.1)=4.8718$

The difference between these two weights is $5.1282-4.8718=\boxed{0.2564\text{ pounds}}$ .

8 0

3 years ago

Read 2 more answers