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mamaluj [8]
3 years ago
11

Dean had already read 1 book this year before joining a book club, and he plans to read 1 book every month now that he has joine

d. If Dean has read 9 books so far, how many months has he been with his book club? Write and solve an equation to find the answer.
Mathematics
1 answer:
solniwko [45]3 years ago
6 0

<em>b</em><em> </em>for <em>books</em><em> </em>read. b=1x + 1. the amount of months he's been in the club goes for x and +1 because he already read a book before he joined. if you do easy math, he's been there for 8 months because he read 9 books. i probably got the equation backwards but this works both ways imo.

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I need this answered Fast if possible. A car is traveling on a small highway and is either going 55 miles per hour or 35 miles
Alex787 [66]

a. It spends about 2.045 hours going 55 miles per hour

b. It spends 1 hour going 35 miles per hour

c. The trip would take about 3.64 hours

Step-by-step explanation:

A car is traveling on a small highway and is either going 55 miles per hour or 35 miles  per hour, depending on the speed limits, until it reaches its destination 200 miles  away

  • x represents the amount of time in hours that the car is going 55 miles per  hour
  • y represents the amount of time in hours that the car is going 35 miles per hour
  • The equation  that describing the relationship is 55x + 35y = 200

We need to find:

a. How long does it  spend going 55 miles per hour, if the car spends 2.5 hours going 35 miles per hour on the trip

∵ 55x + 35y = 200

∵ The car spends 2.5 hours going 35 miles per hour on the trip

∵ y represents the amount of time that the car going 35 mi./h

∴ y = 2.5

- Substitute the value of y in the equation to find the value of x

∴ 55x + 35(2.5) = 200

∴ 55x + 87.5 = 200

- Subtract 87.5 from both sides

∴ 55x = 112.5

- Divide both sides by 55

∴ x = 2.045 hours

It spends about 2.045 hours going 55 miles per hour

b.how long does it  spend going 35 miles per hour, if the car spends 3 hours going 55 miles per hour on the trip

∵ 55x + 35y = 200

∵ The car spends 3 hours going 55 miles per hour on the trip

∵ x represents the amount of time that the car going 55 mi./h

∴ x = 3

- Substitute the value of y in the equation to find the value of x

∴ 55(3) + 35y = 200

∴ 165 + 35y = 200

- Subtract 165 from both sides

∴ 35y = 35

- Divide both sides by 35

∴ y = 1 hour

It spends 1 hour going 35 miles per hour

c. How long would the trip take, if the car spends no time going 35 miles per hour

∵ 55x + 35y = 200

∵ The car spends no time going 35 miles per hour

∴ y = 0

- Substitute the value of y in the equation to find the value of x

∴ 55x + 35(0) = 200

∴ 55x  = 200

- Divide both sides by 55

∴ x = 3.63 hours

The trip would take about 3.64 hours

Learn more:

You can learn more about the equations in brainly.com/question/4097107

#LearnwithBrainly

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3 years ago
On federal income tax returns, self-employed people can depreciate the value of business equipment. Suppose a computer valued at
Ann [662]
<span>5.8 yr ........................</span>
7 0
3 years ago
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Answer Choices- 522, 136, 405, 2145, 628, 1340
slega [8]

Answer:

The answer to your question is  628 cm³

Step-by-step explanation:

Data

Cylinder                            Cone

Volume = 1884 cm³          Volume = ? cm³

radius = ?                            radius = ?

height = ?                            radius = ?

Process

1.- Write the formula to calculate the volume of a cylinder and a cone.

The Volume of a cylinder = πr²h

The Volume of a cone = 1/3πr²h

2.- If we observe the formula we notice that they are the same just the volume of a cone is the third part of the volume of a cone.

3.- Find the volume of a cone

Volume of the cone = 1/3(1884)

Volume fo the cone = 628 cm³

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UR GENTTTTTTTTT !!!!!!!!!!!!!!!!!!!!!!! THERE CAN BE MORE THAN 1<br> ! ALSO
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lol

Step-by-step explanation:

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The students in the Go Green club started a school recycling program. In
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86 + 86 x 5 = 516
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