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3 years ago

H is f × 2 r pla help

Mathematics

1 answer:

MariettaO [177]3 years ago

5 0

Answer:

step one 1 ×3 = 4

Step-by-step explanation:

how first fo ther

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Which statement is true?

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I’m not sure is D , I’m clueless

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3 years ago

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Human body temperatures have a mean of 98.20 degrees Fahrenheit and a standard deviation of 0.62 degrees Fahrenheit. Convert 103

Artist 52 [7]

Answer:

<em>z-score will be: 7.741.... and it will be unusual. </em>

Step-by-step explanation:

Human body temperatures have a mean of 98.20 degrees Fahrenheit and a standard deviation of 0.62 degrees Fahrenheit.

So here, $\mu= 98.20$ and $\sigma= 0.62$

<u>Formula for z-score</u> is: $z= \frac{X-\mu}{\sigma}$

Thus, the z-score for 103.00 degrees Fahrenheit will be.......

$z(X=103.00)= \frac{103.00-98.20}{0.62}=7.741...$

As, here the z-score is more than 2 standard deviations above the mean, so 103.00 degrees Fahrenheit is unusual for human body temperature.

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3 years ago

Round the number to the given place value. 1.044; hundredths A. 1.5 B. 1.4 C. 1.05 D. 1.04

sweet-ann [11.9K]

The answer to this is D. 1.04

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4 years ago

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Somenone help im faling horribly there is two qestion I need help on any one know both

Crazy boy [7]

C = 2πr
C = 2(3.14)(2.5)
C = 15.7 = 16 cm is your answer.

282.6 m = πD
282.6 m = (3.14)D
282.6 m/3.14 = 3.14/3.14 x D
90 m = D
90 meters is the diameter.

hope this helps you!!!

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3 years ago

The expression can be simplified and written without negative exponents as...

Ksju [112]

$\dfrac{(27y^{-2})^\frac{1}{3}}{y^{-\frac{2}{3}}}=(27)^\frac{1}{3}(y^{-2})^\frac{1}{3}:\dfrac{1}{y^\frac{2}{3}}=\sqrt[3]{27}y^{-2\cdot\frac{1}{3}}\cdot y^\frac{2}{3}\\\\=3y^{-\frac{2}{3}}\cdot y^\frac{2}{3}=3y^{-\frac{2}{3}+\frac{2}{3}}=3y^0=3\\\\\text{used:}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\a^\frac{1}{n}=\sqrt[n]{a}\\\\a^{-n}=\dfrac{1}{a^n}\\\\(a^n)^m=a^{n\cdot m}\\\\a^n\cdot a^m=a^{n+m}\\\\a^0=1,\ a\neq0$

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4 years ago

H is f × 2 r pla help​

H is f × 2 r pla help