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SVEN [57.7K]
3 years ago
9

some kangaroos can jump over 30 feet in one jump! if a kangaroo could jump like that 150 times in the row, how much farther woul

d it need to go to cover a mile ?
Mathematics
1 answer:
slega [8]3 years ago
4 0

The answer is 780 feet.
There is 5,280 feet in a mile. If the kangaroo jumps 30 feet 150 times, it will have gone 4,500 feet. So the kangaroo will need to go 780 feet to make a mile.
Formula: 5,280-4,500=780
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An equivalent expression would be 2x+4
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Jack usually mows his lawn in 6 hours. marilyn can mow the same yard in 4 hours. How much time would it take for them to mow the
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Answer:

2.4 hours or 2 hours and 24 minutes

Step-by-step explanation:

Jack mows 1/6 of the lawn per hour while Marilyn mows 1/4 of the lawn together. Adding up those rates yields in their combined mowing rate:

R = \frac{1}{6}+ \frac{1}{4}\\R=\frac{10}{24}

The time required for them to mow the entire lawn is:

t = \frac{1}{R}\\t = \frac{1*24}{10}\\ t=2.4\ hours

It would take them both 2.4 hours to mow the lawn together.

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Answer:

<em>6 inches</em>

Step-by-step explanation:

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The mode of Jamie's Fish is 15.

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The mode of Martha's fish is<em> 6 inches</em> longer than the mode of Jamie's fish.

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Read 2 more answers
Frank deposits 5350.00 in a savings account. The account pays an annual Interest rate of 1%. Ile makes no other deposits or with
9966 [12]

Answer:

If the account paid a <u>monthly</u> interest instead of <u>annual</u>, the answer would be $162.12

Step-by-step explanation:

<h3>PS: THIS ISN'T THE ANSWER TO THIS QUESTION BECAUSE IT STATED 'ANNUAL INTEREST' BUT I USED MONTHLY INTEREST INSTEAD. HOPE THIS HELPS SOMEONE ELSE THOUGH.</h3><h3><u>FIRST MONTH</u></h3>

Original value is $5350.00

Percentage increase(interest gained) is 1%

Total value after 1st month is equal to the Original Value + The interest

<em>$5350.00 x 0.01 </em>(0.01 = 1/100 = 1%) =<em> $53.50</em>

Do not try and do this altogether as you will get the answer wrong. Instead calculate month by month.

At the end of the <u>first month</u>, he has <em>($5350.00 + $53.50) = $5403.50</em>

<h3><u>SECOND MONTH</u></h3>

Original Value is $5403.50

Percentage increase(interest gained) is <em>still </em>1%

Total value after the 2nd month is equal to the Original Value+The interest

<em>$5403.50 x 0.01 = $54.035</em>

<u>ALWAYS</u> round off to the nearest cent before continuing.

At the end of the <u>second month</u>, he has <em>($5403.50 + $54.04) = $5457.54</em>

<h3><u>THIRD MONTH</u></h3>

Original Value is $5457.54

Percentage increase(interest gained) is 1%

Total value after the 3rd month is equal to the Original Value + The interest

<em>$5457.54 x 0.01 = $54.5754 = $54.58</em>

When rounding off, if the number is 5 or higher, add 1 to the digit before it.

At the end of the <u>third month</u>, he has <em>($5457.54 + $54.58) = $5512.12</em>

The question asks, how much interest did his money earn. If you calculated like how I did above, picking the interest should be easy.

Simply add, the first month's interest, to the second month's interest, to the third month's interest.

<em>$53.50 + $54.04 + $54.58 =  $162.12</em>

6 0
3 years ago
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