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Vlad1618 [11]
4 years ago
12

Rene is going to the lake to visit some friends. If the lake is 60 miles away, and Rene is driving at 40 miles per hour the enti

re time, how long will it take her to get to the lake?* 50 minutes 70 minutes 90 minutes 110 minutes
Mathematics
2 answers:
Monica [59]4 years ago
8 0

90 minutes

<h3>Further explanation</h3>

<u>Given:</u>

  • Rene is going to the lake to visit some friends.
  • The lake is 60 miles away.
  • Rene is driving at 40 miles per hour the entire time.

<u>Question:</u>

How long will it take her to get to the lake?

<u>The Process:</u>

We face a basic problem that connects distance, speed, and time. To solve this, we will use the formula:

\boxed{ \ Distance = Speed \times Time \ }

Because we will find out how long to get to the lake, the formula is rewritten as follows:

\boxed{ \ Time = \frac{Distance}{Speed} \ }

Let us calculate now.

\boxed{ \ Time = \frac{60 \ miles}{40 \ miles \ per \ hour} \ }

\boxed{ \ Time = \frac{3}{2} \ or \ 1.5 \ hour \ }

Therefore the time needed is 1.5 hours which we convert into minutes. i.e., \boxed{ \ 1.5 \ hours \times 60 \ \frac{minutes}{hour} \ }

Thus she will take 90 minutes to get the lake.

<h3>Learn more</h3>
  1. Who ran the race in faster time?  brainly.com/question/362542  
  2. How far does each of them travel  brainly.com/question/466367
  3. How many times does he switch strokes during the race brainly.com/question/11494844
stepladder [879]4 years ago
3 0

Answer:

Option C, 90 minutes.

Step-by-step explanation:

Rene is going to the lake to visit some friend.

Lake is 60 miles away.

Rene is driving at 40 miles = 1 hour

she will take time to get to the lake = \frac{60}{40}

                                                           = 1.5 hours

1 hour = 60 minutes

1.5 hour = 60 × 1.5 = 90 minutes

It will take Rene 90 minutes to get to the lake.

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Derek saves 10% of his paycheck each week to buy a mountain bike the mountain bike costs 340.00 Derek receives a paycheck in the
katrin2010 [14]

Answer: 13 weeks

Step-by-step explanation:

First you have to find 10% of 340.00 which is 28, so each week he saves 28.00 for his bike. To find how many paychecks he has to recieve you divide 340.00 by 28.00, which is 12.1, since there is a decimal place you have to round it up to 13 because it is a little bit more than 12 paychecks. ;)

7 0
3 years ago
Guys please help! In triangle CDE, the measure of angle C is 90 degrees, side CD is 15 and DE is 3 more than CE. Find the length
AURORKA [14]
You can calculate it using the law of cosines: c^2=a^2+b^2-2*a*b*cos(C)

your triangle is
CD=15=a
CE=?=b
DE=CE+3=b+3=c
and C=90°

-> insert those values, with c substituted with b+3 to remove c

c^2=a^2+b^2-2*a*b*cos(C)
(b+3)^2=15^2+b^2-2*15*b*cos(90)
cos(90)=0->
(b+3)^2=15^2+b^2
b^2+2*3*b+3^2=225+b^2
6b+9=225
6b=216
b=36=CE

DE=CE+3=36+3=39
4 0
4 years ago
Brown’s time for running a mile in gym class is 9.9 minutes, Ray’s time is 9.47 minutes and Malcolm’s time is 9.76 minutes. Who
GalinKa [24]

Given:

Brown’s time for running a mile in gym class = 9.9 minutes

Ray’s time for running a mile in gym class = 9.47 minutes

Malcolm’s time for running a mile in gym class = 9.76 minutes

To find:

Who ran the mile in less time?

Solution:

It is given that the time taken by Brown, Ray and Malcolm to cover a mile are 9.9 minutes, 9.47 minutes and 9.76 minutes respectively.

9.47 < 9.76 < 9.9

Since, 9.47 minutes is the lowest time, therefore Ray can run a mile in less time.

3 0
3 years ago
Can someone help me with this one and explain this?
pshichka [43]

Answer:

718.01 if needed rounded 718 if its wrong my bad

Step-by-step explanation:

V=4/3(3.14)(7)^3 ÷2

7 0
3 years ago
HELP FAST PLZZZZZZZZZZ
vichka [17]

Answer:

Try 150

Step-by-step explanation:

I'm not sure but it might work.

3 0
3 years ago
Read 2 more answers
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