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2 years ago

Mmo

Mathematics

1 answer:

Mashutka [201]2 years ago

8 0

Answer:

Step-by-step explanation:

when you solve this it is x>10.

< and > is the open hole and x is greater than -10 so it will be going right.

hope this helped :)

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A car is traveling at a steady speed. It travels 1 3/4 miles in 2 1/3 minutes. How far will it travel in 47 minutes? In 1 hour?

aleksandrvk [35]

Answer:

Distance in 47 minutes = 0.75 × 47 = 35.25 miles

Distance in 1 hour or (60 minutes) = 0.75 × 60 = 45 miles

Step-by-step explanation:

Given that the car is traveling at a steady speed.

Distance traveled in 2 1/3 or 7/3 or (2.33) minutes = 1 3/4 miles

= 7/4 or 1.75 miles

Thus,

distance in 1 minute: 1.75/2.33 = 0.75 miles per minute

Thus,

Distance in 47 minutes = 0.75 × 47 = 35.25 miles

Distance in 1 hour or (60 minutes) = 0.75 × 60 = 45 miles

7 0

2 years ago

You estimate that there are 80 marbles in a jar. the actual amount is 76 marbles. find the percent error. round to the nearest t

yKpoI14uk [10]

76/80

Just divide 76 out of 80 and round it to the nearest hundredth Or at least that’s what I think

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2 years ago

Read 2 more answers

Find f(5) please explain

kirza4 [7]

Answer:

-1

Step-by-step explanation:

A function is represented by the following symbol f(x) where f(x) further represents y like this ,

$y=f(x)$

so in this question they are asking what is f(5) which means when the value of x is 5 what is the value of y?

We can see in the graph when x = 5 the value of y is -1 to be exact so

f(5) = -1

$y=f(x)\\-1 = f(5)\\$

8 0

2 years ago

Max ran 50 meters in 10 seconds. molly ran 30 meters in 5 seconds. who ran faster

Stolb23 [73]

To compare their speed (rate), we need to have the same time or same distance to use as a reference.

Matt ran 50 meters per 10 seconds. Molly ran 30 meters per 5 seconds. If she ran for 5 more seconds, she would have gone 30 more meters, for 30 meters per 10 seconds. Thus, Molly went faster.

Alternately, you could calculate their speeds in meters per (one) second and compare. 50 meters per 10 seconds is 5 meters per second, and 30 meters per 5 seconds is 6 meters per second.

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2 years ago

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The post office will accept packages whose combined length and girth is at most 42 inches. (the girth is the perimeter/distance

Vilka [71]

If x represents the length of the box, then 42-x will be the girth. Since the largest area for a given girth is that of a square, the side length of the square cross section is (42 -x)/4.

The volume as a function of package length is then
.. v(x) = x((42-x)/4)^2
This has a maximum at x=14. The corresponding volume is 686 in^3.

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3 years ago