Two cars, initially at rest and 5 km apart at t=0 , simultaneously move toward each other. Car A travels at a constant speed of 55 km/hour, while car B travels at a constant speed of 12 km/hour. How far will car A travel before meeting car B in the middle?

Answers

Answer 1

Car A travel before meeting car B in the middle is 268 second.

Constant Speed Motion

An object is said to travel at constant speed if the ratio of the distance traveled by the time taken is constant.

Expressed in a simple equation, we have:

v= d/t

Where  

v = Speed of the object

d = Distance traveled

t  = Time taken to travel d.

From the equation above, we can solve for d:

d = v . t

And we can also solve it for t:

t = d/v

Two cars are initially separated by 5 km are approaching each other at relative speeds of 55 km/h and 12 km/h respectively. The total speed at which they are approaching is 55+12 = 67 km/h.

The distance of an object can be defined as the complete path travelled by an object. For example. if a car travels east for 5 km and takes a turn to travel north for another 8 km, the total distance travelled by car shall be 13 km.

The time it will take for them to meet is:

t = 5/67

t = 0.0746 hours

Converting to seconds: 0.0746*3600 = 268.56

Therefore the closest answer is d. 268 s.

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Related Questions

PLEASE HELP! DUE IN LESS THAN 2 HOURS! IM STUCK! PLEASE HELP ME! YOU WILL GET 100 POINTS! THANKS QUESTION DOWN BELOW!!! PLEASE SHOW THE WORK!

Answers

Answer:

Do you want the equation?

y = [tex]x^{2}[/tex]

Step-by-step explanation:

Answer:

1. One square

2. Four squares

3. Nine squares

4. Sixteen squares
5. Twenty-five squares

6. Thirty six squares

7. 49 squares

8. 64 squares

9. 81 squares

10. 100 squares

Step-by-step explanation:

The pattern is add six squares to the image before the one you’re working.

How to find the slope intercept form of the line that passes through (-4,1) and perpendicular to y = 2x - 3

Answers

Hope this helps, make sure to follow me! <3

Please answer asap

is -√49 a rational number​

Answers

from the knowledge of square and square root of numbers√49=7

-√49

-√7^2

-7

h(x) = 3x - 5, find h(-2).​

Answers

Answer:

h= 3x/x −5

Step-by-step explanation:

hx=3x−5

Step 1: Divide both sides by x.

hx/x = 3x/x −5

h= 3x/x −5

        x

Answer:

h= 3x/x −5

16. Vocabulary A number written in
expanded form is written as the sum
of each …..
.Write 39,005
in expanded form...

Answers

Expanded form: 30,000+9,000+5

There is a pair of parallel sides in the following shape.


What is the area of the shape?

Answers

If there is a pair of parallel sides in the following shape. the area of the shape is:  21 unit².

Area of the shape

Using this formula to determine or find  the area of the shape

Area  = (1/2)× (Area+ breadth )height

Where:

Area= 9

Breadth= 5

Height = 3

Now Let plug in the formula so as to find the area

Area of the shape = (1/2)× (9 + 5) ×3

Area of the shape = (1/2)× (14)×3

Area of the shape = (1/2)× 42

Area of the shape= 21 unit²

Therefore If there is a pair of parallel sides in the following shape. the area of the shape is:  21 unit².

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solve 6/58 x -1 2/5 -371/40 -6 1/4 1 1/2 371/40

Answers

The simpliified value of the expression 6 5/8 x -1 2/5 is - 371/40

What are expressions?

Expressions are mathematical statements that are represented by variables, coefficients and operators

How to determine the solution of the expression?

The expression is given as

6 5/8 x -1 2/5

Convert the mixed fractions to improper fractions

So, we have

6 5/8 x -1 2/5 = 53/8 x - 7/5

Evaluate the product of the numerators in the above expression

So, we have

6 5/8 x -1 2/5 = 53/8 x - 7/5

Evaluate the product of the numerators in the above expression

So, we have

6 5/8 x -1 2/5 = - 371/8 x 1/5

Evaluate the product of the denominators in the above expression

So, we have

6 5/8 x -1 2/5 = - 371/40

Hence, the simpliified value of the expression 6 5/8 x -1 2/5 is - 371/40

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A square window has an area of 9 square feet. What is the perimeter of the window?

Answers

Answer:

12

Step-by-step explanation:

Biff earned $45 working at Happy Days Drive-In. He spent 1/3 of the money on gas for his car and 1/5 of it on flowers . How much money does he have left

Answers

Biff has $12 left out of the money

How to calculate the amount of money left ?

Biff earned $45 at happy days drive-in

He spent 1/3 of the money on gas

He also spent 1/5 of the money flowers

The money he has left can be calculated as follows

45 × {1-(1/3+1/5)}

= 45× (1-8/15)

= 45 × 7/15

= 3 × 7

= 21

Hence Biff has $12 left

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:52:26 ATI
f(x) =
wer.
-(x+8)² + 4 for
for
Find f(-5)
x < -5
x ≥ 3

Answers

The value of f(-5) when we solve the function f(x) is -5.

What does the mathematical function mean?

A function is a statement, tenet, or rule that creates a correlation between two variables. In mathematics, functions are used often and are required to build complicated connections.

A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.

The function can be solved as:

    [tex]f(x) = -(x+8)^{2} +4[/tex]

           [tex]=-(-5+8)^{2}+4[/tex]

           [tex]=-(3)^{2}+4[/tex]

           [tex]=-9+4[/tex]

           [tex]=-5[/tex]

Hence, f(-5) = -5

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The leg of a right triangle is 8 ft in length while
the hypotenuse is 15 ft in length. Find the missing
side of the triangle. Write the answer in simplified
radical form

Answers

Answer:

[tex]\sqrt{161}[/tex] ft

Step-by-step explanation:

According to the pythagorean theorem, in a right-angle triangle, the sum of of the squared legs is equal to the hypotenuse squared.

In simpler words, if we have legs [tex]a[/tex] and [tex]b[/tex], as well as hypotenuse [tex]c[/tex], then [tex]a^2 + b^2 = c^2[/tex].

In our case, we know that [tex]a = 8[/tex] and [tex]c = 15[/tex], therefore, we should try and find b.

[tex]8^2 + b^2 = 15^2\\\to 64 + b^2 = 225 \text{ // Subtract by 64}\\\to b^2 = 161 \text{ // Take the square root of both sides}\\\to b = \sqrt{161}[/tex]

An angle measures 124° less than the measure of its supplementary angle. What is the
measure of each angle?

Answers

Answer:

56°

Step-by-step explanation:

Supplementary angles are = to 180° so you have to subtract 124 from 180 which gives you 56°

[tex] \rm If \: \beta = \lim_{x \to0} \frac{ {e}^{ {x}^{3} } - (1 - {x}^{3} {)}^{ \frac{1}3 } + ((1 - {x}^{2} {)}^{ \frac{1}{2} } - 1) \sin x}{x \sin^{2} x} ,\\ [/tex]
then the value of [tex]6 \beta [/tex] is​

Answers

Expand the limand as

[tex]\dfrac{e^{x^3} - (1 - x^3)^{1/3} + \left((1-x^2)^{1/2} - 1\right) \sin(x)}{x \sin^2(x)} \\\\ ~~~~~~~~ = \dfrac{e^{x^3} - (1-x^3)^{1/3}}{x^3} \cdot \dfrac{x^2}{\sin^2(x)} + \dfrac{(1-x^2)^{1/2} - 1}{x^2} \cdot \dfrac{x}{\sin(x)}[/tex]

Recall that for [tex]a\neq0[/tex],

[tex]\displaystyle \lim_{x\to0} \frac{\sin(ax)}{ax} = 1[/tex]

Then

[tex]\displaystyle \beta = \lim_{x\to0} \left( \dfrac{e^{x^3} - (1-x^3)^{1/3}}{x^3} + \dfrac{(1-x^2)^{1/2} - 1}{x^2}\right)[/tex]

Rationalize the numerators.

[tex]\dfrac{e^{x^3} - (1-x^3)^{1/3}}{x^3} = \dfrac{e^{3x^3} - (1 - x^3)}{x^3 \left(e^{2x^3} + e^{x^3} (1-x^3)^{1/3} + (1-x^3)^{2/3}\right)} \\\\ ~~~~~~~~~~~ = \left(\dfrac{e^{3x^3} - 1}{x^3} + 1\right) \cdot\dfrac1{e^{2x^3} + e^{x^3} (1-x^3)^{1/3} + (1-x^3)^{2/3}}[/tex]

and observe that

[tex]\dfrac1{e^{2x^3} + e^{x^3} (1-x^3)^{1/3} + (1-x^3)^{2/3}} \to \dfrac13[/tex]

[tex]\dfrac{(1-x^2)^{1/2}-1}{x^2} = \dfrac{(1-x^2) - 1}{x^2 \left((1-x^2)^{1/2} + 1\right)} \\\\ ~~~~~~~~ = -\dfrac1{(1-x^2)^{1/2} + 1} \to -\dfrac12[/tex]

This leaves us with

[tex]\displaystyle \beta = \lim_{x\to0} \frac{e^{3x^3} - 1}{3x^3} - \frac16[/tex]

The remaining limit is the derivative of [tex]e^{3x^3}[/tex] at [tex]x=0[/tex], so its value is 1, and we find

[tex]\beta = 1 - \dfrac16 = \dfrac56 \implies 6\beta = \boxed{5}[/tex]

Find the area of the semicircle. (Take pi=22/7) Diameter=14

Answers

Area of semicircle is 77.

What is semicircle?

A semicircle is defined as half circle formed by cutting the circle into two halves.

Given that;

Diameter of semicircle = 14

Radius of semicircle = 14/2 = 7

Now, Area of semicircle = 1/2 (πr²)

Substitute π = 22/7 and r = 7, we get;

Area of semicircle = 1/2 (πr²)

                             = 1/2 × (22/7) × 7 × 7

                             = 77

So, Area of semicircle is 77.

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help me do this plroblem

Answers

Answer:  $640

Step-by-step explanation:

Answer:

640

Step-by-step explanation:

[ne
How many solutions for x does the following equation have?
(6x + 6) = 4x + 4
O A. 0
OB. 1
O C. infinite
OD. 4

Answers

the answer is b i believe

I need help with 4 and 5

Answers

4. The two triangles are similar by virtue of the AAA triangle congruence theorem as a result of the corresponding angles which have equal measures.

5. The length of segment CE to the nearest tenth is; 46.7 in.

What is the length of segment CE as required in the task content?

4. The ∆CBD and ∆CAE are similar (congruent) following the fact that angle C is common to both triangles and the angles A and E have equal measures as E and D respectively by virtue of corresponding angles theorem. Ultimately, the two triangles; CBD and ∆CAE are congruent since all three angle measures are the same in the triangles.

The corresponding angles in discuss is due to the fact that the lines ED and AE are parallel lines.

5. Also, upon establishing the congruence of the two triangles, it follows that the ratio of their corresponding sides is same for all three sides.

Therefore, we can establish that;

BD/AE = CD/CE

6/14 = 20/CE

CE = (14 × 20)/6

CE = 140/3

CE = 46.667 in.

Ultimately, the length of segment CE to the nearest tenth is; 46.7 in.

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A turtle was swimming 2 feet below the surface of a pond. While looking for food, he went down 7 more feet

Answers

The turtle went down 9 feet

If m∠3 = 4x + 10 and m∠4 = 5x, find x.

Answers

The value of x is 10.

Given m∠3 = 4x+10 and m∠4 = 5x

Now, we need to determine what value of x it is.

We know that in quadrilateral four angles are there in that two angles are equal it is said to be as Rhombus.

Two angles are given in this question. We assume those are equal angles.

∴ m∠3 = m∠4

By substituting the values of two angles, we get

4x+10 = 5x

By deducting '4x' on both sides, we get

4x+10-4x = 5x - 4x

10 = x

∴ x = 10

The final value for x is 10.

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HELP PLEASE? THE PICTURE IS ATTACHED FOR ANYONE THAT WANTS TO HELP, I’D APPRECIATE IF SOMEONE HELP ME ANSWER THIS

Answers

Answer:

$32.00

Step-by-step explanation:

The easiest way of calculating discount is, in this case, to multiply the normal price $80 by 40 then divide it by one hundred. So, the discount is equal to $32. To calculate the sales price, simply deduct the discount of $32 from the original price $80 then get $48 as the sales price.

HELP PLEASE? THE PICTURE IS ATTACHED FOR ANYONE THAT WANTS TO HELP, I’D APPRECIATE IF SOMEONE HELP ME ANSWER THIS

Answer:

40% Of 80 is 32

Find the value of X then find the measure of each labeled angle.

Answers

The value of the angle  x is 108 degree.

According to the statement

We have to find that the value of the x in the adjacent angle.

So, For this purpose, we know that the

The adjacent angles is the two angles are said to be adjacent angles when they share the common vertex and side.

From the given information:

When we extend line AB to E

Then ∠EBC is created

Since BC is parallel to AD

So, ∠EBC =∠BAD = x° (corresponding angles are equal )

Linear pair : Two angles are said to be linear if they're adjacent angles formed by two intersecting lines. The measure of a angular unit is 180 degrees, so a linear pair of angles must add up to 180 degrees.

Now With the linear pair property

x+(x-36) = 180

2x - 36 = 180

2x  = 180+36

2x = 216

x = 216/2

x = 108.

Then one angle is of 108 degree and second angle is 72 degree.

So, The value of the angle  x is 108 degree.

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the graph shows two points from the table representing a proportional relationship. Which point corresponds to the last entry in the table?

Answers

Answer:

Step-by-step explanation: second point correspond to the last entry in the table

Solve for x.
6/9=x/12

Simplify as much as possible

Answers

2/3

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

Find common denominators :)

6/9

Divide by 4 (the common factor of 9 and 12)

2/3

Multiply by 4

8/12

8/12 = 8/12

Now, simplify.

2/3

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

Have a great day/night! :)

(Please consider leaving a Brainliest!)

~pinetreee

Which translation(s) will take Triangle T to Triangle U? Explain your answer

Answers

For Triangle T to translate Triangle U

1. Translate (-3, 0) to (1, 2).

2. Translate (-2, -1) to (2, 1) .

3. Translate (-4, -3) to (0, -1).

Options A and C

This is further explained below.

What is translation?

Generally, A translation is a kind of geometric transformation that is used in Euclidean geometry. This type of transformation involves moving each point of a figure, shape, or space by the same distance in a certain direction.

In conclusion,  for  Triangle T to translate Triangle U

1. Translate (-3, 0) to (1, 2).

2. Translate (-2, -1) to (2, 1) .

3. Translate (-4, -3) to (0, -1).

Therefore, Options A and C are valid

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-6(w +5 ) +9<-51
Solve the inequality

Answers

Answer:

w>5

Step-by-step explanation:

Go onto symbolab it's a website good for solving math problems like this

the area A of a rectectangle is represented by the formula A=Lw where I is the length and W is the width. write an equation that would make it easy to find the length of the rectangle

Answers

Answer: L=A/W

Step-by-step explanation: If you do this then you will find the length because L x W = A. So if the area is determined by l and w then you could divide A by the width to find the length because you multiply length and width to find the area

What is the horizontal asymptote of f(x)=-2x/x+1
O y = -2
O y = -1
O y = 0
O y = 1
-2x
X+1?

Answers

The horizontal asymptote of the given function f(x) is y = –2.

What is defined as the horizontal asymptote?A horizontal asymptote is a straight line that is not part of a function's graph but guides it for x-values. "far" to a right and/or left.If a numerator and denominator have the same degree, this same horizontal asymptote is simply the fraction from the coefficient of their leading term.

The numerator does have a degree one, and so does the denominator.

The foremost term in the numerator has a coefficient of -2.

In the denominator, the coefficient again for leading term is 1.

At y = -2/1, the horizontal asymptote exists.

Thus, the horizontal asymptote of the function is found as -2.

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A copy machine makes 91 copies in 3 minutes and 15 seconds. How many copies does it make per minute?
copies per minute
X
5

Answers

32 copies pwr minute

what the mean of 1,3,5,5, 1, 3, 0, 0, 5

Answers

1+3+5+5+1+3+5+0+0

4+5+5+1+3+5

9+5+1+3+5

14+1+3+5

15+3+5

18+5

23

23/9

the mean is 2 and 5/9

Mean is 2.5
1+3+5+5+1+3+0+0+5=23
23/9=2.55555

Look for acute, obtuse, and right angles in your environment or find one of each online. Post an image of each. Can you find all three in one spot?
Identify the acute, obtuse, and right angles in your image or images.​

Answers

Answer: Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees.

Step-by-step explanation:

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