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3 years ago

5

On a cross-country bicycle trip, participants ride about 75 miles per day. Approximately how many days, d, must they ride to tra

vel at least 4,325 miles? Solve and choose the correct inequality.

1 answer:

fredd [130]3 years ago

4 0

Answer:

58 Days

Step-by-step explanation:

4,325 divided by 75 equals 57.6666

It says at least, so I rounded to 58 days

There is no picture to pick from for the inequalities.

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A circle has its center at (0,0) and passes through the point (0,9). What is the standard equation of the circle?

Alexxandr [17]

Answer:

x^2+y^2=9^2

Step-by-step explanation:

The standard equation of a circle is:

$(x-h)^2+(y-k)^2=r^2$

Where the center of a circle is (h,k) and r is the radius of the circle. In this case because a circle is equidistant from the center and we have a point where it passes through 9 that means that the radius is 9. However, since the standard equation states that we must write r in the form of $r^2$ this means that $r^2=9^2$ . Therefore by plugging in the values we have:

$(x-0)^2+(y-0)^2=9^2\\\\x^2+y^2=9^2$

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2 years ago

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The correct end part of the question says;

Find the probability of rolling an even number "then" an odd number

Answer:

Probability of rolling even, then odd = 56/225

Step-by-step explanation:

Now, the numbers are from 1 to 15.

Since we want find probability of even, then odd number, let's list all the even numbers first;

Even numbers from 1 to 15 are;

2, 4, 6, 8, 10, 12, 14

Odd numbers from 1 to 15 are;

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So, we have 7 even numbers and 8 odd numbers.

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Probability of odd is = 8/15

Thus,probability of rolling even, then odd is;

P(even, then odd) = 7/15 x 8/15 = 56/225

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