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3 years ago

The circumference of Earth at the equator is about 40,074 kilometers. Find the diameter of Earth to the nearest kilometer.

Mathematics

1 answer:

PtichkaEL [24]3 years ago

8 0

Answer:

C.62,884

Step-by-step explanation:

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Are the ratios 84/105 and 128/160 proportional? Give two different reasons to support your answer.

Karolina [17]

We have been given two ratios and we are supposed to compare our ratios whether they are proportional or not.

1. We will reduce our fractions to compare our ratios. Let us simplify each of our given fractions.

$\frac{84}{105}$

Let us divide numerator and denominator with greatest common factor. We can see that 21 is GCF of our ratio.

$\frac{4}{5}$

Now we will simplify our second ratio.

$\frac{128}{160}$

GCF of our fraction is 32. Upon dividing our fraction by 32 we will get,

$\frac{4}{5}$

We can see that our both ratios are similar.

2. Now we will find decimal values of our fractions.

$\frac{84}{105}=0.8$

$\frac{128}{160}=0.8$

We can see that $0.8=0.8$ .

Therefore, we can say that our ratios are proportional.

4 0

4 years ago

Event E is defined as the occurrence of one or more of two mutually exclusive events, E1 and E2-. How can you find the probabili

katen-ka-za [31]

If events E1 and E2 are mutually exclusive, it means that it is impossible for them to happen together. The probability of the occurrence of one or more of these events is the sum of their individual probabilities. The answer for this item would be,
P(E) = P(E1) + P(E2) + ...

7 0

3 years ago

Can you please help me with number 1 and 2 thank you

azamat

For number 1,

he is able to mow 3 lawns for every 1 hour so

0hrs=0 lawns

1hrs=3 lawns

2hrs= 6 lawns

3hrs= 9 lawns

8 0

4 years ago

If 4,250 pesos is equivalent to $250, how many pesos is equivalent to $1? HURRY AGAINNNNNNNNNNNNNNNN!

yawa3891 [41]

Answer:

17 cents

Step-by-step explanation:

4250/250

3 0

3 years ago

Add, using the rule for order of operations if necessary:<br> 15+ [2 + (-4)] + (−9)?

schepotkina [342]

$15 + ( - 2) + - 9 = 13 - 9 = 4$

#Goodluck!

8 0

1 year ago