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3 years ago

9

To support growth, an adolescent's _______ needs per unit body weight are higher than an adult's but less than a rapidly growing

infant.
Question 40 options:

protein

carbohydrate

fat

water

2 answers:

Leya [2.2K]3 years ago

6 0

Carbohydrates because carbs are our main source of energy

emmainna [20.7K]3 years ago

4 0

B im pretty sure idk though

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The recommended daily allowance (RDA) of vitamin C is 90 mg for men and 75 mg for women, but is different for smokers. If David

miv72 [106K]

Answer:

125mg

Explanation:

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3 years ago

If 2^x=3^y=12^z, show that 1÷z=1÷y+2÷x.....

Ostrovityanka [42]

Answer:

Proof of $\dfrac{1}{z}}=\dfrac{1}{y}+\dfrac{2}{x}$ is shown below.

Explanation:

The given equation is

$2^x=3^y=12^z$

To prove : $\dfrac{1}{z}=\dfrac{1}{y}+\dfrac{2}{x}$

Proof : Let as assume,

$2^x=3^y=12^z=k$

$2^x=k\Rightarrow 2=k^{\frac{1}{x}}$ ...(1)

$3^y=k\Rightarrow 3=k^{\frac{1}{y}}$ ...(2)

$12^z=k\Rightarrow 12=k^{\frac{1}{z}}$ ...(3)

We know that

$12=2\times 2\times 3$

$12=(2)^2\times 3$

Using (1), (2) and (3), we get

$k^{\frac{1}{z}}=(k^{\frac{1}{x}})^2\times k^{\frac{1}{y}}$

$k^{\frac{1}{z}}=k^{\frac{2}{x}}\times k^{\frac{1}{y}}$

$k^{\frac{1}{z}}=k^{\frac{2}{x}+\frac{1}{y}}$

On comparing both sides, we get

$\dfrac{1}{z}}=\dfrac{2}{x}+\dfrac{1}{y}$

$\dfrac{1}{z}}=\dfrac{1}{y}+\dfrac{2}{x}$

Hence proved.

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3 years ago

If you need a routine health checkup, which facility is most cost-effective?

goblinko [34]

The facility that is most cost-effective would be a local doctor at a primary health care center

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3 years ago

Select the correct answer.

makkiz [27]

I think c would be the answer

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