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4 years ago

7

Leonardo recoded his speed while skate boarding and determined he was traveling 18 feet per second how many feet could he travel

one one minute?

1 answer:

Aloiza [94]4 years ago

5 0

He was traveling 1080 feet per minute

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Please help!! Middle school math, this is timed!! No links or i will report!

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It’s an addition problem

48 + 37

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3 years ago

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QUESTION 2<br> Find the 8th term for the sequence with the given formula.<br> tn=n2 + 5

Elden [556K]

N I believe but I’m not too sure

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3 years ago

For a craft, each student will need five rubber bands. There are eight students. What rubber bands come in bags of 9. How many b

gizmo_the_mogwai [7]

Answer:

In total 5 packets of rubber bands are needed.

Out of which 5 rubber bands are left.

Step-by-step explanation:

The number of rubber bands needed by 1 student = 5

The total number of students = 8

So, the total rubber bands needed by all students

= Total students x Number of rubber bands needed by 1 student

= 8 x 5 = 40 bands

Now 1 packet of rubber bands = 9 bands

⇒ 2 packets = 2 x ( 9 bands) = 18 bands

⇒ 3 packets = 3 x ( 9 bands) = 27 bands

Similarly, 4 packets = 36 bands , 5 packets = 45 bands

Now, if we buy 4 packet of bands, there are 36 rubber bands which are LESS THAN THE TOTAL STUDENTS.

So, we buy 5 packets.

We have in total 45 bands, but the total students = 40

So, the number of left rubber bands = Total bands - Total students

= 45 - 40 = 5

Hence, in total 5 packets of rubber bands are needed, and out of which 5 rubber bands are left.

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3 years ago

the manager of a grocery store has taken a random sample of 100 customers the average length of time it took these 100 customers

lora16 [44]

Answer:

with a .95 probability, the sample mean will provide a margin of error 0.196

Step-by-step explanation:

margin of error (ME) from the mean can be calculated using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic in the .95 confidence level (1.96)

s is the population standard deviation (1 min.)

N is the sample size (100)

ME= $\frac{1.96*1}{\sqrt{100} }$ =0.196

95% confidence interval for check-out time would be 3 ±0.196 min

8 0

4 years ago

The length of a rectangle is one inch less than three times its width. If the perimeter of the rectangle is 54 inches, find the

max2010maxim [7]

Answer: 20;

w - width

3w - 1 - length

54 in - perimeter

w + w + (3w - 1) + (3w - 1) = 8w - 2 - perimeter

The equation:

8w - 2 = 54 add 2 to both sides

8w = 56 divide both sides by 8

w = 7

3w - 1 = 3(7) - 1 = 21 - 1 = 20

Answer: The length = 20 in.

Step-by-step explanation:

5 0

4 years ago