acks father drives to work in 30 min when driving at his usual speed. When traffic is bad, he drives 30mph slower and the trip takes one hour longer. How far is Jacks Fathers work from home in miles


me give brainliest

Answers

Answer 1

Answer:

Jack's fathers work is 1350 miles away from home

Step-by-step explanation:

Equation for trip 1:

Usual speed=x

Time=30 minutes

Formula for distance: d=st

d=30x

Equation for trip 2:

Speed= x-30

Time=90 minutes

d=90(x-30)

Now we solve for x using simultaneous equations:

30x=90(x-30)

x=45

Now to find d we sub in our new found value into one of the two equations (it doesn't matter which one)

d=30(45)

d=1350 miles


Related Questions

All density curves must satisfy two of the conditions given below. Which two?.

Answers

There are different kinds of curves. All density curves must satisfy the conditions that;

The curve does not go below horizontal axisThe total area under the curve is = 1.

What conditions must a density curve adhere to?

Note that a probability density curve must satisfy two key requirements: that is;

F(x) have to be nonnegative for all value of the random variable.The integral that is over each values of the random variable have to be equal to one.

A density curve is regarded as a curve that is said to be always on or found above the horizontal axis, that is, it is always negative and its area is equal to 1 under it.

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Need help asap please

Answers

The answer is square root 3 over 2

A recent television commercial asked viewers, "Do you have over $10,000 in credit card debt?"
What types of numbers are associated with the word debt, and why? Write a number that represents the value from the
television commercial.

Answers

Based on the information provided, the amount of money associated with the credit card debt is inferred to be $10,000.

What is a debt?

A debt is a term that refers to an obligatory payment commitment that relates two entities that can be:

Person - groupPerson - companyPerson - StateGroup - companyGroup - StateCompany - State

Based on the foregoing, it can be inferred that the term debt refers to the payment obligation of $10,000 that a person may have in order to use their credit card.

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A vendor sold 81 hotdogs during a football game. If the ratio of hotdogs to hamburgers sold was 9: 4, how many hamburgers did the vendor sell? 7.​

Answers

Answer:

36 hamburgers.

Step-by-step explanation:

He sold 81 hot-dogs, that's 9 unit.

9 units → 81

1 units → (81/9)

1 units → 9

4 units → 36

Therefore vendor sold 36 hamburgers.

Identify the relation that is a function. city name to state name number of apples purchased to the cost of the apples days of the week to the months of the year last name to phone number

Answers

Answer:

number of apples purchased to the cost of apples

Step-by-step explanation

The only relation that is a function is number of apples purchased to the cost of the apples.

A relation is considered a function if each input (domain element) is associated with exactly one output (range element). Let's analyze the given relations:

City name to state name: This is not necessarily a function. Multiple cities can be in the same state.

Number of apples purchased to the cost of the apples: This is a function. Each number of apples purchased is associated with a single cost of apples.

Days of the week to the months of the year: This is not a function. Some days of the week might correspond to multiple months.

Last name to phone number: This is not necessarily a function. Different people with the same last name could have different phone numbers.

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If 2x + 7 = 17, what is the value of 8x + 25?

Answers

Answer:

2x + 7 = 17

- 7

2x = 10

÷2

x = 5

8x5=40

40+25=65

8x + 25 = 65

Hope this helps!

Answer:

65

Step-by-step explanation:

given:

2x + 7 = 178x + 25

make x the subject:

2x + 7 = 17

2x = 17 - 7

2x = 10

x = 5

Then apply elimination rule:

8x + 25

8(5) + 25

40 + 25

65

oncepts
What is the average of 4.2, 2.61, and 3.6?

Answers

Answer:

hope it helps

Step-by-step explanation:

answer is 3.47

4.2+2.61+3.6=10.41

10.41÷3=3.47

what’s the value of x ?

Answers

Answer: 10

Hope this helps you :)

Solve log (x 1) = –x2 10 by graphing. Which equations should be graphed?.

Answers

Equal expressions can be taken as equal to some third quantity (which is not used previously, and is new). The equations for given equation to graph are:  and  

What is logarithm ?

When you raise a number with an exponent, there comes a result.

Lets say you get

[tex]a^b = c[/tex]

Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows

[tex]b = \log_a(c)[/tex]

Log with base 10 is written as [tex]\log(x)[/tex] mostly.

For the given equation, using the above definition, we get:

[tex]log(x+1) = -x^2 + 10\\\\\\(x+1) = 10^{-x^2 + 10}\\x + 1 = 10^(-x^2} \times 10^10 = y\: \: \rm (say)\\[/tex]

Then we get two equations as:

[tex]y = x + 1\\y = 10^(-x^2} \times 10^10[/tex]

Graphing those equations and then getting their common intersection point will give us the solution, as plotted below in the attached graph.

Learn more about logarithms here:

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Answer:

y1= -x^2 + 10

y2 = log (x + 1)

Step-by-step explanation:

These are the two equations that should be graphed.

Which equation represents the line with slope of 2 and y-intercept of −3?
A
y=−3x+2
B
y=−23x−3
C
y=2x+3
D
y=2x−3

Answers

Answer:

D

Step-by-step explanation:

The slope is 2 and the y-intercept is -3

Which geometric shape could be used to model the building? a tall building that has a quadrilateral base and quadrilateral sides Cylinder Pyramid Cone Rectangular prism.

Answers

The geometric shape that could be used to model the building is a Rectangular prism.

Rectangular prism

A rectangular prism has 6 faces, 12 edges, and 8 vertices

The top and base of the rectangular prism are always a rectangle Like a cuboid.

All the opposite faces of a rectangular prism are equivalent.

A rectangular prism depicts a rectangular cross-section.

A tower is essential to a long rectangular prism. The tower in the picture bears NO resemblance to a circle, so A and C can be ruled out. The tower also doesn't slope towards a point, so B is also wrong. We are left with D as our answer.

Hence, the geometric shape that could be used to model the building is a Rectangular prism.

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https://brainly.com/question/21308574

Answer:

The answer is a cylinder

Step-by-step explanation:

Because if you look at the building, and then you look at a cylinder, you can see that it has the shape of a cylinder.

Delisile spends 30% of her income on rent and 50%of the remaining on food and travelling. she pays R2200,00 per month for education and now has R3120,00 left . her monthly income is

Answers

The total monthly income of Delisile including her spendings is R 1,520,000

How to find Delisile monthly income

Given:

x = Total monthly income

Amount spent on rent = 39% of x

= 0.30x

Amount remaining = x - 0.30x

= 0.70x

Amount spent on food and traveling = 50% of 0.70x

= 0.50 × 0.70x

= 0.35x

Amount spent on education = R 220,000

Amount left = R 312,000

Total = rent + food + education + amount left

x = 0.30x + 0.35x + 220,000 + 312,000

x = 0.65x + 532,000

x - 0.65x = 532,000

0.35x = 532,000

x = R 1,520,000

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Which of the following is an example of the associative property?
2(5 - 3) = 10 - 6
O1
. 3 = 1
0-7+ (19 + 5) = (-7 + 19) + 5
11 + (6 + 8) = 11 + (28 + 6)
+
PLEASE I NEED HELP

Answers

Answer:

0-7+ (19 + 5) = (-7 + 19) + 5

Step-by-step explanation

The associative property of addition states that how number of groups won't change the answer.

EX: 2 + (2 + 3) = (2 + 2) +3

In this example, both answers are equal to 7.

In the given problem, '0-7+ (19 + 5) = (-7 + 19) + 5' is the best choice because the order of the parenthesis is being changed, yet the answer is still the same.

I hope that this answers your question!

which equation is another way to show 5/4

Answers

Answer: 1.25

Step-by-step explanation: 4/4 is 1 and 1/4 is .25 so add it together and you have your answer

What is the angle on r? Please help giving crown

Answers

Answer:

Well, r should be 270° cause angles at a point sum up to 360°, and there's already 90°, so 360-90 =270

But please message me, I think there's another way another answer can be gotten, but I do not have time now

The admission fee at an amusement park is $2.25 for children and $7.20 for adults. On a certain day, 332 people entered the park, and the admission fees collected totaled $1638. How many children and how many adults were admitted

Answers

There were 180 adults and 152 children admitted. 180(7.20) + 152(2.25) = $1638.

help ...........................................................

Answers

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Let's solve ~

[tex]\qquad \sf  \dashrightarrow \: y = 2x - 3[/tex]

plug the value of x = -5 :

[tex]\qquad \sf  \dashrightarrow \: y = 2( - 5) - 3 [/tex]

[tex]\qquad \sf  \dashrightarrow \: y = - 10 - 3[/tex]

[tex]\qquad \sf  \dashrightarrow \: y = - 13[/tex]

what is the quotient of 4/5 divide by 1/3

Answers

Answer:

12/5

Step-by-step explanation:

4/5 divided by 1/3

=4/5*3/1

=4/5*3

=12/5

find two numbers if their sum is 7.2 and their difference is 2.7

Answers

Answer:

4.95 and 2.25

Step-by-step explanation:

x+y=7.2

x-y=2.7

Add equations

x+y + x-y= (2x-y+y)=2x

7.2+2.7=9.9

Therefore 2x=9.9 x=9.9/2=4.95

x=4.95

x+y=7.2

4.95+y=7.2

y=7.2-4.95=2.25

y=2.25

Answer:

4.95 and 2.25.

Step-by-step explanation: This is really long... (PLEASE TAKE NOTE THE INFO ISNT DIRECTLY WRITTEN BY ME).


Adding equations (1) and (2), we get

Therefore

x=4.95


Substituting value of x from (3) in (1), we get


y=2.25


From (3) and (4), the two numbers are 4.95 and 2.25.

An item is regularly priced at $30. Lena bought it on sale for 40% off the regular price. How much did Lena pay?

Answers

Answer:

18

Step-by-step explanation:

30*(1-0.4)

Identify the error Denise made when solving the following system of equations using the substitution method.

Answers

At second step

[tex]\\ \tt\hookrightarrow 2x+2(3x+1)=6[/tex]

[tex]\\ \tt\hookrightarrow 2x+6x+\boxed{2}=6[/tex]

[tex]\\ \tt\hookrightarrow 8x=4[/tex]

[tex]\\ \tt\hookrightarrow x=1/2[/tex]

318.8 - 94.63 answer and how to do it

Answers

Answer:

Step-by-step explanation:

Here are three ways to write a subtraction calculation. What do you notice? What do you wonder?

Clare bought a photo for 17 cents and paid with a $5 bill. Look at the previous question. Which way of writing the numbers could Clare use to find the change she should receive? Be prepared to explain how you know.

Find the amount of change that Clare should receive. Show your reasoning, and be prepared to explain how you calculate the difference of 0.17 and 5.

Help me please I’ll give brainly

Answers

Answer: 55.0% decrease
Explanation: 100% =10
100% divided by 10 is 10%
10 divided by 10 is 1
So 1 is 10%
1 divided by 2 = 0.5 Is 10% divided by 2 = 5%
So 4.5 is 45%
100% - 45% = 55%
So there is a 55.0%decrease

Zayden walkes 3/4 miles in 1/5 hour. what is his speed in miles per hours

Answers

Answer:

Step-by-step explanation:

Please help me with this question look at the image. I will mark the brainiest.

Answers

Answer:

  5 ft

Step-by-step explanation:

The area of a trapezoid is given by the formula ...

  A = 1/2(b1 +b2)h

The height is found by solving this equation for h:

  2A/(b1 +b2) = h

  h = 2(25.5)/(3.2 +7) = 51/10.2 = 5 . . . . fill in the given values

The height of the trapezoid is 5 feet.

One construction company can do certain job in ten days and a second construction company can do the same job in fifteen days. How many will it take to complete the job if the two construction companies work together? ​

Answers

Answer:

technically it should take 12 and a half days

Step-by-step explanation:

that is what is in-between the two amounts of days so it's the average if they bothe worked together but in my opinion in reality I think if they worked together it would take less than 10 days

Answer:

Step-by-step explanation: it will take them 5 days to complete the job

A woman had two boxes of matches.she uses five matches and has 75 matches left.how many matches were in each box?using algebra

Answers

Answer:

40 matches

Step-by-step explanation:

Let x represent the amount of matches she has in total then...

x-5=75

Add 5 to both sides

x=80

She has 80 matches in total. Now, assuming each box of matches has the SAME amount of matches then she has...

80/2=40 matches in each box

If TV = 3, what Is WX?

Answers

Answer:

crazy daisy is ai fake its gonna be a link

Step-by-step explanation:



Line segment AB has endpoints A (-1.5, 0) and B (4.5, 8). Point C is on line segment AB and is located at (0, 2).
What is the ratio of
АС/CB?

Answers

Answer:

pointss

Step-by-step explanation:

$6 to $100

buytctik

i will mark brainliest

Answers

Answer:

The fraction is the area of the cross section and multipling by the height to get the volume= 17/2=8.5 unite cube

Formula for volume is length × width× height

Length ×width is the area, and the area is given so you just times that to the height

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