At 9 am a car (A) began journey from a point, traveling at 40 mph. At 10 am another car (B) started traveling from the same point at 60 mph in the same direction as car (A). At what time will car B pass car A?

Answers

Answer 1
When car B passes car A, they will have traveled the same distance, d.

speed = distance/time

distance = speed * time

Car A travels t time.
Since car B starts an hour later, car B travels t - 1 time.

Car A:
d = st
s = 40t

Car B:
d = st
d = 60(t - 1)

The distance are equal, so

40t = 60(t - 1)

40t = 60t - 60

-20t = -60

t = 3

Car A started at 9 am.
9 am + 3 hours = noon.

Answer: at noon.

Related Questions

Find the difference between the product of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712

Answers

Final answer:

The difference between the product of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712 is 47.2208.

Explanation:

The difference between the product and the sum can be found by first calculating the product of 26.22 and 3.09 and then calculating the sum of 3.507, 2.08, 11.5, and 16.712. Once both of these values are calculated, subtract the sum from the product to find the difference.

To calculate the product of 26.22 and 3.09, you would multiply these two numbers:

26.22 × 3.09 = 81.0198

To calculate the sum of 3.507, 2.08, 11.5, and 16.712, you would add these numbers together:

3.507 + 2.08 + 11.5 + 16.712 = 33.799

Finally, to find the difference, subtract the sum from the product:

81.0198 - 33.799 = 47.2208

The difference between the product of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712 is 47.2208.

8 1/10 as a decimal

Answers

1/10 as a decimal would be 0.1. Now just add the 8 to it and it would be 8.1.
8.1 cause when any thing is divided by ten the decimal places behind the tens number

an assembly line worker at Rob's Bicycle factory adds a seat to a bicycle at the rate of 2 seats in 11 minutes. Write a proportion relating the number of seats s to the number of minutes m. At this rate, how long will it take to add 16 seats? 19 seats?

Answers

Rate = 2 seats/11 minutes = 2/11  seats/min

Therefore the time required for s seats is
[tex](m \, min) = \frac{s \, seats}{ \frac{2}{11} \, \frac{seats}{min} } = \frac{11s}{2} \, min[/tex]
That is,
m = (11s)/2 min

When s = 16, obtain
[tex]m = \frac{11(16)}{2} = 88 \, min[/tex]

When s = 19, obtain
[tex]m = \frac{11(19)}{2} = 104.5 \, min[/tex]

Answers:
[tex]m = \frac{11s}{2} [/tex]
When s = 16, m = 88 min
When s = 19,  m = 104.5 min


PLEASEEE HELPP ASAP!

Answers

-0.4(3*4 - 2) +[ (2*4 + 4)/3] 
= -0.4 (10) +12/3
= -4 + 4
= 0

Write the number equal to 2 tens 15 ones

Answers

Two tens: 10(2)= 20
fifteen ones: 15(1)=15
20+15=35

The number that will be equal to 2 tens 15 ones is 35.

How to identify the place value of a digit in a number?

The place values on the left of the decimal point start as ones, tens, hundreds, and so on. The place value on the right of the decimal point starts from the point and goes to the right as tenths, hundredths, and so on. The tens mean multiplied by 10. The tenth means the tenth part of that digit which is that digit divided by 10

We are given multiple number names and asked to add them.

We will call d as ones digit, c as tens digit (it get multiplied by 10), b as hundreds digit etc.

We call e as digit at 10th place (division by 10), f as digit at hundredth place and so on.

To find this problem, it will be easier to split the sentences into multiple parts like this;

1. "2 tens" mean 2 x 10 =20

2. "15 ones" mean 15 x 1= 15

Then, if we add them up it will be;

20+15= 35

The answer to this problem would be 35

Therefore, the number that will be equal to 2 tens 15 ones is 35.

Learn more about place value here:

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write a related subtraction fact for 7 + 3 = 10

Answers

10-3=7 Hope this helps

10-3=7 or 10-7=3
Hope this helps.

Which expression is equivalent to the following?
21x – 15

A. 3(2x)
B. 3x(7x – 5)
C. 3(7x – 5)
D. 3(7x – 15)

Answers

C. 3(7x-5) 

Hope this helps. Plz give Brainliest! :) 
Hello,


Your answer is C. 3(7x – 5) , this is the equivalent fraction!


Hope this helps

A pyramid is placed inside a prism the pyramid has the same base area b as the prism but half the height of the prism the height of the prism is 30 ft which expression gives the volume of the pyramid ?
15b
10b
5b
30b

Answers

15b is the answer to this question hope this was helpful

Answer:

5b  

Step-by-step explanation:

Given,

The base area of the prism = base area of the pyramid = b,

Also, the height of the prism = 30 ft,

While, the height of the pyramid = [tex]\frac{\text{height of prism}}{2}[/tex]

[tex]=\frac{30}{2}=15\text{ ft}[/tex]

Now, the volume of the pyramid = [tex]\frac{1}{3}[/tex] × base area × height

[tex]=\frac{1}{3}\times b\times 15[/tex]

[tex]=\frac{15b}{3}[/tex]

= 5b ft²

Hence, THIRD option is correct.

what are the steps to convert a quadratic function in standard form to vertex form

Answers

The preferred method is to complete the square. Please see the detailed screenshot attached.

Alternately, you can calculate the value for the vertex as such using this formula for the ordered pair: [tex]( \frac{-b}{2a}, f(\frac{-b}{2a}))[/tex]. Then, you can plug this point in for [tex](h, k)[/tex].
Final answer:

To convert a quadratic function in standard form to vertex form, follow these steps: identify the given equation, find the x-coordinate of the vertex, substitute the x-coordinate to find the y-coordinate, and write the function in vertex form.

Explanation:

To convert a quadratic function in standard form to vertex form, follow these steps:

Identify the given equation in standard form, which is in the form of ax² + bx + c = 0.Use the formula x = -b/2a to find the x-coordinate of the vertex.Substitute the found x-coordinate into the original equation to find the y-coordinate of the vertex.Write the quadratic function in vertex form as y = a(x-h)² + k, where (h, k) is the vertex of the parabola.

For example, if the quadratic function is given as 2x² - 8x + 5 = 0, we first find the x-coordinate of the vertex using the formula x = -b/2a as x = -(-8)/(2*2) = 2. Substituting this x-coordinate into the equation, we find the y-coordinate of the vertex as y = 2*(2)² - 8*(2) + 5 = -3. Therefore, the quadratic function in vertex form is y = 2(x-2)² - 3.

Learn more about Quadratic functions here:

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Jacob is using this rule.
''Start with a number, divide it by 2 and then add 3. Write down the result.''
a) What is the result when Jacob starts with 8?
b) What number did Jacob start with when the result is 5?

Answers

a) 8 : 2 + 3 = 7
b) x/2 + 3 = 5
x = (5-3) * 2
x = 2 * 2 = 4

a) 7
b) 4

20 POINTS !! HELP FAST Cindy and Giovanni plan to make spaghetti sauce. Cindy needs 4 3/4 pounds of tomatoes for her recipe. Giovanni needs 5 3/4 pounds of tomatoes for his recipe. If they make both recipes, how many pounds of tomatoes do they need?

A. 1

B. 9

C. 9 1/2

D. 10 1/2

Answers

If you add both 5.75 and 4.75, you'd get 10.5, so your answer is 10 and a half, so D.
Hello,


Your answer is for sure 10 1/2

If you add both the amount of Cindy and Giovanni, it will get you D.


Hope this helps =D

What is the definition of when each input has exactly one output in a relation

Answers

The word you’re looking for is a *function*. Functions can’t have one input associated with more than one output, but multiple inputs *can* produce the same output (so-called “even functions” have this property), and the special functions where each output has exactly one input associated with it are called “one-to-one” functions.

A toy company makes wooden blocks. A carton holds 85 blocks. How many blocks can hold 19 cartons hold

Answers

To do this, you would just multiply 85 by 19 which is 1,615. So, 19 cartons can hold 1,615 wooden blocks. Hope this helps!
1,615 blocks can fit inside 19 different cartons.
85*19=1,615
Hope this helps

A band to played 3 concerts and earned about a total of $321.00.the band earned about the same amount for each concert estimate how much the band and each night.

Answers

All you have to do is divide 321 by 3 to get $107.00 each night
About $107.00 per night

What is the constant of proportionality in the equation y=5.5x

Answers

The constant of proportionality is for every 1 x, there are 5.5 y. Because the x on a graph would represent 1, the y must represent 5.5.

Answer:

In the equation [tex]\(y = 5.5x\), \(5.5\)[/tex] is the constant of proportionality.

This equation represents a proportional relationship between [tex]\(x\)[/tex] and [tex]\(y\),[/tex] where [tex]\(y\)[/tex] is always [tex]\(5.5\)[/tex] times the value of [tex]\(x\).[/tex] Therefore, [tex]\(5.5\)[/tex] is the constant by which [tex]\(x\)[/tex] is multiplied to get [tex]\(y\).[/tex]

Explanation:

In the equation [tex]\(y = 5.5x\), \(5.5\)[/tex] represents the constant of proportionality. In a proportional relationship, one quantity is always a constant multiple of the other. Here,[tex]\(y\)[/tex] is always [tex]\(5.5\)[/tex] times the value of [tex]\(x\)[/tex]. This means that as [tex]\(x\)[/tex] increases or decreases, [tex]\(y\)[/tex] changes in direct proportion, always maintaining a ratio of [tex]\(5.5:1\)[/tex] between [tex]\(y\)[/tex] and [tex]\(x\)[/tex]. The constant of proportionality, [tex]\(5.5\)[/tex], determines the rate at which [tex]\(y\)[/tex] changes with respect to changes in [tex]\(x\)[/tex], serving as a scaling factor in the relationship between the two variables.

Ebony walked at a rate of 3 1/2 miles per hour for 1 1/3 hours. how far did she walk.

Answers

Final answer:

To find how far Ebony walked, multiply her walking rate (3 1/2 miles per hour) by the time walked (1 1/3 hours), resulting in a total distance of 4.665 miles.

Explanation:

The question asks, "Ebony walked at a rate of 3 1/2 miles per hour for 1 1/3 hours. How far did she walk?" To answer this, we need to multiply the rate at which Ebony walked by the time she spent walking. The rate is 3½ (or 3.5) miles per hour, and the time is 1⅓ (or 1.333) hours.

So, the calculation is as follows:

Distance = Rate × Time

Distance = 3.5 miles/hour × 1.333 hours

Distance = 4.665 miles

Therefore, Ebony walked a total of 4.665 miles.

Buying a new car is usually the second most expensive purchase many consumers make, after the purchase of their home. True or False

Answers

my guess is TRUE but not for sure 
true because a houes is lot money

Jan began with 5/6 pound of modeling clay she used 1/5 of the clay to make decorative magnets. She divided the remaining clay into 8 equal portions what is weight of the clay in each portion?

Answers

Starting weight:  5/6 lb.  Of this, Jan used 1/5, which would be (1/5)(5/6) lb, 
or 1/6 lb, leaving 4/6 lb, or 2/3 lb. unused.

                                                       2/3 lb
Now divide 2/3 lb by 8 portions:  ----------------- = (2/24) lb/portion, or 
                                                       8 portions

1/12 lb/portion.

Change 3 radians to degree measures

Answers

π radians =180∘

1 radian = tex] \frac{180°}{ \pi} [/tex]π

3 radians = [tex] \frac{540°}{ \pi} [/tex]

multiply the radians by 180pi and that will your answer

Part 1:

The length of a rectangle is 4/3 its width, w.

Which expression represents the perimeter of the rectangle?

Answer Choices:

a. 4/3w+2w


b. 4(4/3w+w)


c. 4×4/3w


d. 2(4/3w+w)


Part 2:

The perimeter of the rectangle from Part 1 is 28 inches.

What is the area of the rectangle, in square inches?

Answers

perimeter = 2 times the length plus 2 times the width

 which can also be written as 2(4/3w+w) so the answer is D


part 2

 28 = 2(4/3w+w) when you do the calculation w = 6

length = 4/3 *6 = 8

 area = 6 * 8 =48 square inches

 

Need help what is the answer and what is the equation

Answers

Answer: 50 degrees Fahrenheit

Side note: the equation is already given. There is no need to solve for the variable C

-------------------------------
-------------------------------

Explanation:

We are given 10 degrees Celsius, so C = 10. We will plug this into the given equation. In other words, replace the C with 10. Then use PEMDAS to simplify the right side of the equation

F = (C * 1.8) + 32
F = (10 * 1.8) + 32
F = 18 + 32
F = 50

So 10 degrees Celsius is equivalent to 50 degrees Fahrenheit

Kayla has $500 in her account, and she spends $40 a week on food. If she falls below $30 in her account, she must pay a penalty. What is an inequality that can represent this situation?

Answers

She starts with $500; that's a given. If she's spending $40 a week, that means that she'll be subtracting $40 from her account for each week (let's call the number of weeks that've gone by "w"), leaving her with 500-40w dollars after week w.

Now we have to compare this somehow to $30. Our inequality is going to look like:

500-40w ? 30

Where the ? is a stand-in for an inequality sign. Which inequality sign should we pick? Take a look at the question and see if you can find any keywords that might give you a hint. "If she falls below" is the big one I'm seeing. If she can't fall below $30, that means she'll always have to stay at or above $30 to avoid paying the penalty. What inequality sign represents at or above?

Final answer:

The inequality that represents this situation is: 500 - 40w < 30, where w represents the number of weeks that have passed.

Explanation:

The situation can be represented by the inequality:

500 - 40w < 30

where w represents the number of weeks that have passed.

This inequality states that the amount of money remaining in Kayla's account (500 - 40w) must be less than $30 for her to have to pay a penalty. If Kayla's account falls below $30, she would have to pay a penalty because she does not have enough money to cover her regular expenses.

For example, if we substitute w = 10 into the inequality, we get 500 - (40 × 10) < 30, which simplifies to 100 < 30. Since 100 is not less than 30, Kayla would not have to pay a penalty.

Write an expression with four terms. Include at least one term with an exponent, one term with a coefficient of 5, one term with three factors, and one constant. Make two of the terms like terms.

Answers

An algebraic expression is looking something like this: 8x³ + 5
This expression has two terms; 8x³ and 5
The value of '8' in 8x³ is called COEFFICIENT
The value of '3' in 8x³ is called POWER or INDICES
The term 8x³ is called  an exponent because it has power/indices
The letter 'x' in the term 8x³ is called VARIABLE

So, we want an expression with four terms
_____ ⁺/₋ _____ ⁺/₋ _____ ⁺/₋ _____

One term with an exponent ⇒ You can choose any letter and any power that will go with it, for example, 6x⁴

One term with a coefficient of 5 ⇒ 5x⁴

One term with three factors ⇒ This could be a combination of any three letters that represent three values for example 'abc'. This term means a × b × c, so it has three factors.

One constant ⇒ Choose any number, say 45

Make two of the terms like terms ⇒ We have 6x⁴ + 5x⁴; these two terms are alike, they are in term of x⁴

Putting the four terms together: 6x⁴ + 5x⁴ + abc + 45

An expression satisfying all the conditions specified is [tex]5x^2 + 5xy + 3xy + 7[/tex]

Here's an expression with four terms that meets all the requirements :

[tex]5x^2 + 5xy + 3xy + 7[/tex]
1. Term with an exponent: [tex]\( 5x^2 \)[/tex] (The exponent is 2)
2. Term with a coefficient of 5: [tex]\( 5xy \)[/tex]
3. Term with three factors: [tex]5xy[/tex] (The factors are 5, x, and y)
4. Constant term: 7
Like terms:[tex]\( 5xy \)\ and\ \( 3xy \)[/tex]
So the expression [tex]\( 5x^2 + 5xy + 3xy + 7 \)[/tex] includes all the specified requirements.

(2p^2+7p-39) divided by (2p-7) ?

Answers


[tex](2x^2 + 7x - 39) + (2x - 7)[/tex]

1/8, 0.35,0.2 in order from least to greatest

Answers

1/8,0.2,0.35 because 1/8=0.125
1/8, 0.2, 0.35. I believe this is the answer

Susan and terry run a day care center Since they use susans house it was agreed that her share is twice as Terrys if they earn 225 how much is susans share?

Answers

The easiest way to do this is to divide 225 by 3, so 225 / 3, and what you get as the sum, in this case it's 75, you would multiply the sum by 2, which equals 150, and that, would be Susan's share. So... 225 / 3 = 75. 75 * 2 = 150. $150 is the amount Susan gets. Hope this helps!

To determine Susan's share of the daycare earnings, the simple equation T + 2T = 225 was solved to give Terry's share as $75. Susan's share, being double Terry's, is therefore $150.

The total earnings of Susan and Terry together: 2x (Terry's share) + Terry's share = 225

Given that the total earnings are 225:

2x (Terry's share) + Terry's share = 225

3x (Terry's share) = 225

Terry's share = 225/3 = 75

Susan's share = 2 x 75 = 150

Therefore, Susan's share is 150.

On a cross-country vacation, Maria filled her 14-gallon gas tank eleven times. Which is the best estimate of how many gallons of gas she put into the tank altogether. ;-;

The answer choices : 75 gallons, 150 gallons, 200 gallons, and 225 gallons.


Plz help XD

Answers

14*11=154
Rounded would be 150

150 gallons
I'd say 150 , because 14 x 11 is 154 , therefore you estimate getting your answer 150

What is the smallest positive integer N such that the value 70 + 30(N) is not a prime number?

Answers

it is 1
70+30*1=100, which is not a prime number

If 772 is divided by 9, what is the remainder? A) 4 B) 6 C) 7 D) 8

Answers

the answer to your question is c

1/2and 1 two fractions with a sum

Answers

It could be 3/2 or it could be 1 1/2
It could be 3/2 or 1/2

I hope this helped you

I hope you have a good day today and tomorrow and on and on and the other days

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