3 years ago

Solve 2/3=3/10t I want an answer

Mathematics

1 answer:

Alecsey [184]3 years ago

6 0

Answer:

1/5=t

Step-by-step explanation:

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VikaD [51]

Answer:

Step-by-step explanation:

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2 years ago

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To download movies off the internet you must pay 1.99 per movie, plus onetime fee of 5.50. Write an expression to show the total

solmaris [256]

T=total cost m=number of movies t=1.99m+5.50. I hope this helped.

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3 years ago

Compare the surface area-to-volume ratios of the moon and mars. express your answer using two significant figures.

antoniya [11.8K]

we know that

For a spherical planet of radius r, the volume V and the surface area SA is equal to

$V=\frac{4}{3} *\pi *r^{3} \\ \\ SA=4*\pi *r^{2}$

The
ratio of these two quantities may be written as

$SAV =\frac{(4*\pi*r^{2})}{(\frac{4}{3}*\pi*r^{3})} \\ \\ SAV =\frac{3}{r}$

we know

$rMoon=1,738Km\\ rMars=3,397 Km$

$\frac{SAV Moon}{SAV Mars} =\frac{3}{rMoon} *\frac{rMars}{3} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{rMars}{rMoon} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{3,397}{1,738} \\ \\ \frac{SAV Moon}{SAV Mars} =1.9545$

therefore

the answer is

$1.9$

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3 years ago

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a person on a 2500 calorie diet states that they are healthier because they eat more veggies. explain why this is not accurate?

LiRa [457]

Step-by-step explanation: because they need to have atleast 2500 calories a day

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3 years ago

May you tell me which one is the Correct Answer, Thank you.

nexus9112 [7]

No the correct answer is c. If you use the formula
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X2-X1
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3 years ago