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3 years ago

An antelope can run 152.5 miles in 2.5 hours. What is the average speed of the antelope?

1 answer:

7 0

$average\ speed=\frac{distance}{time}\\\\
average\ speed=\frac{152,5miles}{2,5hour}=61\frac{miles}{hour}\\\\
Average\ speed\ is \ equal\ to\ 61\frac{miles}{hour}.$

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Another math question I need help with! please answer!

wariber [46]

The answer is c I hope that helps

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3 years ago

75 percent of what number is 54

Olin [163]

Ok, this is simple. First put 54 over X in a fraction. 54/x Then put 75 over 100. 75/100 Then you cross multiply. 75(x)= 54(100) Simplify. 75x = 5400 Divide. x=72 Your answer is 72
Hope this helps :)

6 0

3 years ago

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Julia paints 2/6 of a wall in her room white. She paints more of the wall green than white.What fraction could show the part of

slega [8]

One fraction you can use is 3/6 because 2 < 3

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3 years ago

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The equation c=6.4w represents the cost c for w pounds of walnuts. Does a value of 2.5 for w make sense in this situation? Expla

sineoko [7]

We are given equation: c=6.4w, where the cost c for w pounds of walnuts.

w represents the number of pounds of walnuts.

Number of pounds could be in decimals.

The value of w = 2.5 represents 2.5 pounds of walnuts.

On plugging w=2.5 in c=6.4w equation, we get.

c=6.4×2.5 = $16.

Therefore, for 2.5 pounds of walnuts the total cost is $16.

Hence, <u>a value of 2.5 for w make sense in this situation. It shows that cost of 2.5 pounds of walnuts is $16, where cost of each pound of walnuts is 6.4.</u>

6 0

3 years ago

I’ll give brainliest to the right answer plz help

BigorU [14]

9514 1404 393

Answer:

water

Step-by-step explanation:

Comparison of numbers can be done a couple of different ways. One way is to subtract one from the other. If the difference is positive, the minuend (first number) is the larger of the two.

Another way is to divide one number by the other. If the ratio is more than 1, then the numerator is the larger number.

For numbers in scientific notation, the division is perhaps the easiest. Here, that gives you ...

$\displaystyle\frac{\text{water mass}}{\text{oxygen mass}}=\frac{2.99\times10^{-26}\text{ kg}}{2.66\times10^{-26}\text{ kg}}=\frac{2.99}{2.66}\approx 1.12$

This value is greater than 1, so the mass of a water molecule is greater.

You will note that the multipliers (10^-26 kg) cancelled because they were equal. If they are unequal, the usual rules of exponents apply.

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3 years ago