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makkiz [27]
3 years ago
11

Jenna is driving 400 miles to visit her grandmother. She manages to travel the fist 100 miles of her trip in two hours. If she c

ontinues at this rate, how long will it take her to drive the remaining distance?
Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0

Answer:

6 hours

Step-by-step explanation:

The entire trip is 400 miles.

100 miles divided by 400 miles is 100/400 = 1/4.

100 miles is 1/4 of the trip.

400 miles - 100 miles = 300 miles

She still has to drive another 300 miles. 300 miles is 3 times the distance she already drove.

Since it took her 2 hours to drive 100 miles, it will take her 3 times that time to drive 3 times the distance.

3 * 2 hours = 6 hours

Answer: 6 hours

Yakvenalex [24]3 years ago
4 0

Answer:

8 hours total

Step-by-step explanation:

100=2

400=8

2 times 4 =8

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659, 400, 211, 748, 351, 902, 400, 359<br> Mean<br> Median<br> Mode<br> Range
scoray [572]

Answer:

mean =503.75

median=400

mode=400

range=691

Step-by-step explanation:

mean= 211+351+359+400+400+659+748+902=4030/8= 503.75

range= highest number -lowest number = 902-211=691

median= 400+400 =800/2= 400

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3 years ago
Could somebody help me understand this?
pantera1 [17]

Answer:

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2 years ago
Find the inverse function of
shtirl [24]

Answer:

f(x) = 20x - 4 \\ substitute \: y \: for \: f(x) \\ y = 20x - 4 \\ interchange \: x \: and \: y \\ x = 20y - 4 \\ swap \: the \: sides \: of \: the \: equation \\ 20y - 4 = x \\ move \: the \: constant \: to \: the \: right \: hand \\ 20y = x + 4  \\ divide \: both \: sides \: by \: 20 \\ y =  \frac{1}{20} x +  \frac{1}{5}  \\ substitute \: f {}^{ - 1} (x) \: for \: y \\ f {}^{ - 1} (x) =  \frac{1}{20} x +  \frac{1}{5}

The domain of the inverse of a relation is the same as the range of the original relation. In other words, the y-values of the relation are the x-values of the inverse.

Thus, domain of f(x): x∈R = range of f¯¹(x)

and range of f(x): x∈R =domain of f¯¹(x)

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2 years ago
How much for 5m -(5+7x) =87
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Should we simplify or solve for m...?

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20 point REWARD + Brainleist &lt;3
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