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3 years ago

4 hours is equal to one ____ of the Earth? ILL MARK PLZZZZZZZZ

Mathematics

1 answer:

sertanlavr [38]3 years ago

5 0

Answer:

the earth spins 1,600 km per hour so times 4 is 6,400 and convert that to a fraction i'm not sure if this is right

Step-by-step explanation:

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What's the answer to -6<21

Sphinxa [80]

Answer:

Step-by-step explanation:

There's no answer here. Because -6<21.

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3 years ago

What's the answer to number 3

Evgesh-ka [11]

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3 years ago

Last saturday, marissa walked her dog 1 1/2 miles. Sally walked her dog 2 times far. How many miles total did both girls walk th

andriy [413]

Answer:

4.5 miles

Step-by-step explanation:

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3 years ago

Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds a

kirill115 [55]

Answer:

12 feet per second.

Step-by-step explanation:

Please consider the complete question.

Ian tosses a bone up in the air for his dog, Spot. The height, h, in feet, that Spot is above the ground at the time t seconds after she jumps for the bone can be represented $h(t)=-16t^2+20t$ .

What is Spot's average rate of ascent, in feet per second, from the time she jumps into the air to the time she catches the bone at t=1/2?

We will use average rate of change formula to solve our given problem.

$\text{Average rate of change}=\frac{f(b)-f(a)}{b-a}$

$\text{Average rate of change}=\frac{h(\frac{1}{2})-h(0)}{\frac{1}{2}-0}$

$\text{Average rate of change}=\frac{-16\cdot(\frac{1}{2})^2+20\cdot \frac{1}{2}-(-16\cdot(0)^2+20\cdot (0))}{\frac{1}{2}-0}$

$\text{Average rate of change}=\frac{-16\cdot\frac{1}{4}+10-(0)}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{-4+10}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{6}{\frac{1}{2}}$

$\text{Average rate of change}=\frac{2\cdot 6}{1}$

$\text{Average rate of change}=12$

Therefore, Spot's average rate of ascent is 12 feet per second.

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3 years ago

BRAINLIEST TO FIRST CORRECT ANSWER!!

sineoko [7]

Answer:

$57\:\mathrm{km}$

Step-by-step explanation:

Since the question implies his truck travels at a constant distance per gallon, we can set up the following proportion to find how much father his truck can go.

Let $x$ represent how much farther his truck can go, in kilometers:

$\frac{2}{76}=\frac{1.5}{x}$

Cross-multiplying, we get:

$2x=76\cdot 1.5,\\x=\frac{76\cdot 1.5}{2}=\boxed{57\:\mathrm{km}}$

6 0

2 years ago

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