20. Two cars with the velocity of 60
km/h and 50 km/h move toward
each other at the same time. If the
distance between cars is 660 km
then after how many hours cars
meet
A 7 B.6 C5 D. 4 E. 3​

Answers

Answer 1

it should be 7 hours because the cars distance is 660


Related Questions

find the standard matrix of the given linear transformation from r2 to r2 that performs a vertical shear that maps e1 to e1 3e2 with no change in e2 and then reflects the result through x2 axis

Answers

Answer:

[1 -3, 0 -1]

Step-by-step explanation:

Let's have two matrices A and B, such that matrix A is a complete matrix on its own, and matrix B is a complete matrix on its own too. Then, we find out that The matrices for this particular operation is

A = [1 0, 0 -1]

B = [1 3, 0 -1]

To be the standard matrix we are looking for, then we multiply matrix A by matrix B, such that

A x B = T

And then, the matrix T is

T = [1 -3, 0 -1]

A coordinate grid showing Number of T-Shirts on the horizontal x-axis and Total Cost in dollars on the vertical y-axis with 2 lines. The first line is labeled Shirt Box and posses through (0, 30) and the point at (4, 60). The second line is labeled Just Tees and passes through (0, 0) and the point at (6, 63).
The volleyball team at West View High School is comparing T-shirt companies where they can purchase their practice shirts. The graph represents the two companies’ prices. What is the linear equation that represents each T-shirt company?
Shirt Box:
Just Tees:

Answers

Answer:

shirt box : y=7.5x + 30

just tee: y= 10.5x

Step-by-step explanation:

just got right on edge 2020

Answer:

D on the first one and B on the second.

Step-by-step explanation:

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A.

How fast did Car B travel?

(The formula R⋅T=D , where R is the rate of speed, T is the time, and D is the distance can be used.)

Enter your answer for the box.

Answers

Answer:

Car B traveled half an hour traveled 20 miles in 1.5 h

Step-by-step explanation: If car B traveled 15 mph than add 5 to 15 (.5) and you get 20 miles in 1.5 h.

Answer:

The answer is 60

Step-by-step explanation:

CAUSE I KNOW THE ANSWER HBNAHIDNHAWNDVAW

PLEASE HELP ASAP WILL GIVE BRAINLEIST!!
What is the equation we use for the constant of proportionality?



All lowercase, no spaces.

Answers

Answer:

shouldn't it be "y=kx"


Consider the function: y = - 3x + 6. Interpret the slope of this function using "inputs" and
"outputs".

Answers

Input = values for x
Output = values for y

Input x = 1
Output y = 3

Input x = 0
Output y = 6

Therefore the slope of this function is -3

What are the factors from 1 to 100

Answers

Answer;

1, 2, 4, 5, 10, 20, 25, 50, 100

Step-by-step explanation:

Find the percent of increase or decrease, p, from 12 students to 30 students. Round to the nearest percent.

p = _____%

Answers

Answer:

67%

hope this helped :)

A line passes through the point (-8,4) and has a slope of -3/2 .

Write an equation in point-slope form for this line.

Answers

Answer:

y - 4 = [tex]-\frac{3}{2}(x+8)[/tex]

Step-by-step explanation:

Point slope equation of a line passing through (x', y') and slope 'm' is given by,

y - y' = m(x - x')

We have to find the equation of the line which passes through (-8, 4) and slope [tex](-\frac{3}{2})[/tex],

By substituting these values in the equation,

y - 4 = [tex]-\frac{3}{2}(x+8)[/tex]

Therefore, point slope form for the given line is,

y - 4 = [tex]-\frac{3}{2}(x+8)[/tex]

help we just learned this today but idk:(:

Answers

Answer:

The hypotenuse is always the shortest side length. (False)

Escape velocity from the earth’s surface is about 7.0 mi/sec. What is that in mi/hr? a. Use 60 mins = 1 hr and 1 min = 60 seconds as your conversion factors

Answers

Answer:

diviend hje

Step-by-step explanation:

bfv fv n vfnfbhjb  v n

Answer:

I looked it up and there were no helpful results

Step-by-step explanation:

The difference in the x-coordinates of two points is 3, and the difference in the y-coordinates of the two points is 6. What is the slope of the line that passes through the points?

Answers

Answer:

2 or -2

Step-by-step explanation:

Answer:

the answer is A on edge

Step-by-step explanation:

2

Question 1. We would like to test the null hypothesis that the treatment (HRT) has no effect on the outcome (CHD), against the alternative hypothesis that the treatment does have an effect. What would be a good test statistic

Answers

Answer:

Pearson's r test or Pearson's t- test

Step-by-step explanation:

The null hypothesis is that there is no effect on the outcome against the claim that there is some effect. The Greek letter rho is used to denote the parameter.This test can also be two tailed or one tailed depending on the direction of the parameter.

This test is used for qualitative variables.

H0: ρ= 0   against  Ha : ρ≠0

It is possible to use Pearson's r test to find the t- test and do the calculations.

What is 1000/480? Thank you.

Answers

Answer:

2.0833...

Step-by-step explanation:

3 is on going

It is 2.0833
Answer is something like this

Help me please this is a math TEST if it is correct I will give you lots of points and if it's wrong well no points for you and I am rating it

Answers

Answer:

[tex]12000 \: g = 12 \: kg \\ 120 \: cm = 1200 \: mm \\ 1.2 \: l \: = 1200 \: ml \\1200 \: cm =12 \: m \\ 0.12 \: m = 120 \: mm[/tex]

Imagine that you are making a fruit salad for every quart of blueberries you add you would like to put 3 quarts of strawberries create thre

Answers

Answer:

3

Step-by-step explanation:

Find the 14th term of the sequence: 15, 23, 31, 39, ...
A 119
B 127
C 112
D 135

Answers

I don’t rlly see where you going with this question

In science class, Graciela noticed that the balance scale showed 2 ounces for a sample of matter and 56.7 grams for the same sample. She has a rock that weighs 708.75 grams but needs to know the weight in ounces. Which proportion could Graciela use to find x, the weight of the rock in ounces?

Answers

Answer:

2/56.7= x/708.75

Step-by-step explanation:

PLEASE HELP BEING TOMED WITH GIVE BRAINLIST

Answers

Answer:

2/3 times 3/4 =1/2

Good Luck!!!

What is 9/2 as a decimal

Answers

Answer:

4.5

Step-by-step explanation:

Answer:

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

4.5

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

Step-by-step explanation:

Side lengths and angle measures in similar figures

Answers

Answer:

It looks like they are isosceles triangles meaning that two sides are going to be the same.

PQ=42

GH=21

in the figure below, m || n. drag and drop each label into its corresponding box to show the appropriate angle pair

Answers

Answer/Step-by-step explanation:

A. <1 and <4 => vertical angles.

They share the same vertex/corner and are opposite each other as two straight lines intersect.

B. <3 and <5 => same-side interior angles.

They lie on the same side of the transversal and within the two parallel lines the transversal intercepts.

C. <4 and <5 => Alternate Interior Angles.

These angles lie on either side of the transversal, and within the parallel blinds cut across by the transversal.

D. <3 and <7 => Corresponding Angles.

They are found in the same side of the transversal occupying the same position.

Please help with rush question

Answers

Option 2 25 over 1 fourth

Answer:  26 and 1/4

Step-by-step explanation:

What word phrase can you use to represent "5x + 2"?

Answers

Answer:

5 times a number plus 2

What is the sum of the integers less than 100 that have both 6 and 9 as divisors?

Answers

Answer: 270

Step-by-step explanation:

First, list all the numbers that both 6 and 9 can divide that are under 100. You do this by listing the multiples of both numbers under 100.

Multiples of 6 ⇒ 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, and 96.

Multiples of 9 ⇒ 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, and 99.

From the above, the numbers that can be divided by both are; 18, 36, 54, 72 and 90

Adding these numbers up will give;

= 18 + 36 + 54 + 72 + 90

= 270

Please answer!!
A=1/2bh


Solve for b


Please include work

Answers

Answer:

B = 2A/H where b is height, h is height, and a is the area of triangle.

Step-by-step explanation:

A=1/2bh

A=1/2bh (multiply by 2/1 on both side to cancel out on the right side)

2A = bh (divide by h to isolate the b)

2A/h = b (reorder the equation)

B = 2A/H where b is height, h is height, and a is the area of triangle.

The slope of the line below is –3. Use the coordinates of the labeled point to find a point-slope equation of the line. (15 points)

Answers

Answer:

C

Step-by-step explanation:

Which of the following is equal to 2/3

Answers

Answer:

4/6, 8/12,16,24

Step-by-step explanation:

what value should replace the ? in the table​

Answers

Answer:

Step-by-step explanation:

16 I think

Answer:

17

Step-by-step explanation:

y=6x-1

m=6

b=-1

Quadrilateral ABCD has the following vertices:
.
A(6,8)
B(6,-5)
. C(-5, -10)
D(-5,3)
Is quadrilateral ABCD a rhombus, and why?

Answers

Answer:

no!!

Step-by-step explanation:

because AB is longer than BC

Answer:

No, because AB is longer than BC

Step-by-step explanation:

Khan Academy

Which of the following best describes how the y values are changing over each interval?

x
y
1
4
2
8
3
12
4
16
5
20



They are increasing by 4 each time.
They are increasing by 6 each time.
They are being multiplied by 2 each time.
They are being multiplied by 4 each time.

Answers

Answer:

A

Step-by-step explanation:

The equation for the given scenario is y=4x. Therefore, option D is the correct answer.

What is the equation of a line?

The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.

Given that, (1, 4), (2, 8), (3, 12), (4, 16) and (5, 20).

Now, slope = (8-4)/(2-1)

m=4

Substitute m=4 and (x, y)=(1, 4) in y=mx+c, we get

4=4(1)+c

c=0

Substitute m=4 and c=0 in y=mx+c, we get

y=4x

Therefore, option D is the correct answer.

To learn more about the the equation of a line visit:

https://brainly.com/question/2564656.

#SPJ2

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