jim began to bike a 173 mile bicycle trip to build up stamina for a for a triathlete competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 5 hours. If Jim walks at a rate of 4 miles per hour and rides at the rate of 38 miles per hour , find the amount of time he spent on the bicycle

Answers

Answer 1

Answer

3.5 hours

Step-by-step explanation:

Let us represent

The time spent walking as x

The time spent riding as y

Jim began a 146​-mile bicycle trip to build up stamina for a triathlete competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 5 hours.

Hence:

x + y = 5.... Equation 1

x = 5 - y

If Jim walks at a rate of 4 miles per hour and rides at 40 miles per​ hour,

The formula for Distance = Speed × time. Hence,

4 × x + 40 × y = 146 miles

4x + 40y = 146.... Equation 2

We substitute 5 - y for x in Equation 2

4(5 - y) + 40y = 146

20 - 4y + 40y = 146

Subtract 20 from both sides

20 - 20 - 4y + 40y = 146 - 20

- 4y + 40y = 146 - 20

36y = 126

y = 126/36

y = 3.5 hours

Since the time he spent raiding his bicycle is represented by "y", the amount of time he spent on the bicycle is 3.5 hours      

I think this is right I had this question I think it was the same one I dont know tho


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The answer is -11

-4 - -7 = -11

Find the area of the shape shown below.

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Answer:

29

Step-by-step explanation:

Answer:

42.5

Step-by-step explanation:

Cut this up and the rectangle at the top has an area of 9*3.5 = 31.5. The triangle in the bottom left corner has an area of 2, the square has an area of 4 and the bottom right triangle has an area of 5.

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Answer: the correct answer would be B

Step-by-step explanation:

The increase is by 11 dollars an hour so b is your answer.

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Answer:

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Which statements are true about a decagonal (10-sided) pyramid? Check all that apply.
It has one face that is a decagon.
It has two faces that are decagons.
It has 11 faces.
It has 20 edges.
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Answers

Answer:

Step-by-step explanation:

The specifications of a decagonal pyramid would be the following

It has one face that is a decagon.

35 diagonals in the base.

10 isosceles triangles as faces above the base

11 vertices - 10 in the base and 1 at the top

20 edges - 10 in the base and 10 above the base

This can all be seen in the picture of the decagonal pyramid below. The only decagonal face is on the base of the pyramid as the top is a vertice where all of the triangles meet.

Answer:

~B,D,E~

Step-by-step explanation:

i am feeling generous so I am giving away points to anyone who answers this easy question what is 10÷x+10×10+x-3x if x=0.111111111​

Answers

Answer:

189.77777867

Step-by-step explanation:

10/.111111111+10x10+.111111111-3(.111111111)

189.77777867

I know this was just for points but...

Hope this kind of helped if you actually needed the question answered and have a fantastic day C:

189 I hope that helps you

a cylinder has a base diameter of 20 centimeters and a height of 14 centimeters what is the volume in cubic meters to the nearest tenths place ​

Answers

Answer : V≈4398.23cm³

find the sum of all the even numbers between 70 and 80​

Answers

300. 72+74+76+78=300

HELP !!

Find x. Round to the nearest tenth.
27
26.2

Answers

Answer:

x= 14.0 (nearest tenth)

Step-by-step explanation:

Please see the attached picture for the full solution.

Will give brainly if answer is right

Answers

Answer:

I got 17.99 inches

Answer:

18 ft (it's correct)

Step-by-step explanation:

formula for volume: volume = [tex]\pi r^2h[/tex]

plug in the values that they give you

5,652 = [tex]\pi 10^2h[/tex]

simplify

5,652 = 100pi h

solve for h

[tex]\frac{5652}{100\pi } = h[/tex]

h = 18 (rounded)

Just put a random answer I’ll mark you as brainliest

Answers

Answer:

okk thanks and hru

Step-by-step explanation:

Use similar triangles to solve for the missing lengths below.

If you know how to work this out please help:)

Answers

Answer:

x = 14

y = 18

Step-by-step explanation:

By the property of similar triangles,

If two triangles are similar their corresponding sides will be proportional.

[tex]\frac{AB}{EF}= \frac{AC}{GE}[/tex]

[tex]\frac{5}{10}=\frac{7}{x}[/tex]

x = [tex]\frac{70}{5}[/tex]

x = 14

Similarly, [tex]\frac{AB}{EF}= \frac{CB}{GF}[/tex]

[tex]\frac{5}{10}=\frac{9}{y}[/tex]

y = [tex]\frac{90}{5}[/tex]

y = 18

The product of two numbers is 54 and their difference is 3. What are the two numbers?
Foter

Answers

Step-by-step explanation:

X+Y=53 HERE YOU GO I HOPE IT HELP

There are how many halves in 2 1/2

Answers

Answer:

there are 5 halves in 2 1/2

Answer:

5

Step-by-step explanation:

1/2 +1/2 = 1

Please someone help me on this one !! I need to pass this class!

Answers

9514 1404 393

Answer:

  x ≈ -0.5416

Step-by-step explanation:

As with any "solve for ..." problem, you essentially want to "undo" what has been done to the variable of interest. Here, if you were to evaluate the left-side expression (where the variable is) for some value of x, you would ...

multiply by 10add 7raise 9 to that powermultiply by 2add 5

You want to "undo" these operations in reverse order. That is, you work from the bottom of this list toward the top, using inverse operations along the way.

The inverse of addition is subtraction; the inverse of multiplication is division. The inverse of raising to a power is taking a logarithm.

undo add 5

  [tex]2\cdot9^{10x+7}+5-5=70-5\\2\cdot9^{10x+7}=65[/tex]

undo multiply by 2

  [tex]\cfrac{2\cdot9^{10x+7}}{2}=\dfrac{65}{2}\\\\9^{10x+7}=32.5[/tex]

undo raise to a power (take logarithms)

  [tex](10x+7)\log(9)=\log(32.5)\\\\10x+7=\dfrac{\log(32.5)}{\log(9)}\quad\text{equivalent to $\log_9(32.5)$}[/tex]

undo add 7

  [tex]10x+7-7=\dfrac{\log(32.5)}{\log(9)}-7\\\\10x\approx -5.41562[/tex]

undo multiply by 10

  [tex]\dfrac{10x}{10}\approx\dfrac{-5.41562}{10}\\\\x\approx-0.541562\\\\\boxed{x\approx-0.5416}\quad\text{rounded to 4 dp}[/tex]

Answer:

x=0.5416...................

a lot of points, Show your work to explain how you found your answers?

Answers

Answer:

5500 ml or 5.5 liters

Step-by-step explanation:

First, we should note that there are 1000 milliliters in 1 liter of liquid.

So, in milliliters, Peter filled three containers with 1500 ml, 750ml, and 2250 ml with 1000ml left over.

To find the total amount, we find the sum of all the milliliters:

1500 + 750 + 2250 + 1000 = 5500 ml

Again, we know that there are 1000 milliliters in 1 liter of liquid, so:

[tex]\frac{5500}{1000}[/tex] = 5.5 liters

5500ml I think that is the answer hope this helps

The automobile insurance
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hours. How many calls do they
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Answers

Answer:

33

Step-by-step explanation:

An easy way to do this is create a proportion.

[tex]\frac{18}{6} = \frac{x}{11}[/tex]

Keep in mind you could also write this equation as  [tex]\frac{6}{18} = \frac{11}{x}[/tex] as long as you are consistent. The number of calls should be in the same place and the hours should also be in the same place (either the numerator or denominator).

Next, just cross multiply.

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x = 33 calls

Answer:

They would get 33 calls!

Step-by-step explanation:

Hope this helps!

help with math pretty easy will give 5 star and brainlyist

Answers

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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you got that my guy

(sorry if ur a girl)

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Answers

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C. 8/25
D. 18/25

Answers

D. 18/25

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Answers

Answer:

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Step-by-step explanation:

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I might what do you need help with?

Step-by-step explanation:

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