A cyclist travels 2/3 of his journey at the average speed of 12 miles per hour. He then travels the remaining 30 miles of his journey in 3 hours. How long does it take?

Answers

Answer 1

Answer: would it be SOLVE FOR TIME TRAVELED WITH IN 60 MILES @ 12MILES/HR
DISTANCE=VELOCITY X TIME
T=S/V
T=60/12
T=5HRS
TOTAL TIME OF JOURNEY =5+3=8HRS.....ANSWER

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Jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. let h= the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.
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Rollie was succesful in losing weight he had a goal weight in mind he went on a diet for three months each month he would lose one third of the difference between his current weight and his goal weight and an additional three pounds at the end of three months he was just 3 pounds over his goal weight how many pounds did he lose in those three months? Explain

Answers

let's say that in the beginning he weighted x and at the end he weighted x-y, y being the number of kg he wanted to loose.

first month he lost
y/3

then he lost:
(y-y/3)/3
this is
(2/3y)/3=2/9y
explanation: ((y-y/3) is what he still needed to loose: y minus what he lost already

and then he lost
(y-2/9y-1/3y)/3+3 (the +3 is his additional 3 pounts)
(y-2/9y-1/3y)/3-3=(7/9y-3/9y)/3+3=4/27y+3

it's not just y/3 because each month he lost one third of what the needed to loose at the current time, not in totatl

and the weight at the end of the 3 months was still x-y+3, 3 pounds over his goal weight!

so: x -y/3-2/9y-4/27y-3=x-y+3

we can subtract x from both sides:
-y/3-2/9y-4/27y-3=-y+3
add everything up:

-19/27y=-y+6

which means
-19/27y=-y+6

y-6=19/27y

8/27y=6
4/27y=3
y=20.25

so... that's how much he wanted to loose, but he lost 3 less than that, so 23.25

ps. i hope I didn't make a mistake in counting, let me know if i did. In any case you know HOW to solve it now, try to do the calculations yourself to see if they're correct!

Cd City sells 5 CDs for $49. Music Land sells 8 CDs for for $59.50. Which store is the better place to buy CDs?

Answers

Well, first you would need to divide 49 by 5. Your answer would be $9.80 for 1 CD at CD City. Next you would divide 59.50 by 8. Your answer would be $7.44 for 1 CD at Music Land. Which store would you want to get CDs from? BTW, Music Land is the answer. Hope this helps!!!!!!!!!!! :)

Kevin draws a figure that has four sides.All sides are the same lengthHis finger has no fight angles.What figure does Kevin draw

Answers

If all four sides are the same length but his finger
has no fight angles, then it's a quadrilateral that is
also a parallelogram and a rhombus.

It would then be called a quaderateral shape because it has all the same sides

In the figure, what is m∠ABE? What is m∠DBE? Enter your answers in the boxes.

Answers

Answer:

ABE is 115.5 and DBE is 25.5

Step-by-step explanation:

90 is right angle

90 - 64.5 = 25.5 <----- its DBE

90 + 25.5 = 115.5 <----- its ABE

hope i helped

Answer: ABE is 115.5 and DBE is 25.5

Step-by-step explanation:

PLEASE EXPLAIN!!!!What is the equation of the line expressed in slope-intercept form?

A. y = 4x – 2
B. y = –2x + 4
C. y = 2x + 2
D. y = –2x – 4

Answers

The answer is letter D.

In the graph, you simply determine what we called the "x-intercept" and "y-intercept". The x-intercept of the point is located at y = 0. On the other hand, the y-intercept of the point is located at x = 0. Based on the graph, the x-intercept is -2 on the x-axis and the y-intercept is -4 on the y-axis.

What does 4 3/8+ 6 3/4 equal

Answers

Answer: 11.125

Step-by-step explanation:

Answer:

When adding fractions you want the denominators of your fractions to be alike.

The first thing you can do is add your two whole number 4 and 6. 4+6=10.

Now you want to combine your fractions, 3/8 and 3/4. Both fractions need to have like denominators. In order to do this we would change the 3/4 so it has a denominator of 8. I choose 8 because you can take 2*4 to get 8. Since we multiplied the denominator by 2, we have to do the same with the numerator, 3*2=6.

Your fraction is now 6/8.

We can down add 3/8 + 6/8= 9/8

Since 9/8 is improper we need to change it into a mixed number. In order to do this we need to take 9/8 which is 1 and 1/8

We now have 1 1/8 and don't forget the 10 from up above.

10+1 1/8= 11 1/8

Your final answer would be 11 1/8

Hope this helps ;)

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