Mark is driving 65mph when the speed limit is 45mph in a work zone. Highway patrolman is 2 miles behind Mark chasing him 75mph. How long will it take the highway patrolman to catch up the speeding car if they both maintain the same speed?

Answers

Answer 1
Answer:

Answer:

20 seconds i think

Step-by-step explanation:


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Which decimal number is equivalent to 4/5?
0.4
0.04
0.8
0.08

Answers

If you would like to know the decimal number which is equivalent to 4/5, you can do this using the following steps:

4/5 = 8/10 = 0.8

The correct result would be 0.8.

Which of the following is equivalent to the expression below?(3) (4) (-3/4)

A. -12(-3/4)
B. -13(3/4)
C. -12- 3/4
D. -12 + 3/4​

Answers

The expression (3)(4)(-3/4) is equivalent to -9.

None of the given options is correct.

Given information:

The expression is (3) (4) (-3/4).

Multiplying 3, 4, and -3/4, we get:

(3)(4)(-3/4),

Simplify the parenthesis,

= 12(-3/4)

Multiplying,

= -36/4

Divide -36 by 4, and we get,

= -9

Therefore, the expression is equivalent to:-9

To learn more about the PEMDAS;

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3/4 (h + 20) in distributive property

Answers

Answer:

3/4h + 15

Step-by-step explanation:

3/4 (h+20)

= 3/4h + 3/4 * 20

= 3/4h + 15

It takes Doug 3 days to reroof a house. If Doug's son helps him, the job can be completed in 2 days. How long would it take Doug's son, working alone, to do the job?

Answers

the answer is 1 day because if it takes Doug 3 days by himself and if his son helps him and it takes 2 days with the both of them that means it would only take Doug's son 1 day.

What is 9 times 3/4?

Answers

When multiplying a whole number by a fraction, put the whole number as a fraction over one. 9/1 times 3/4. When multiplying fractions, you multiply straight across. 9(3)=27 and 1(4)=4. The new fraction is 27/4.

X = y - 3x + 3y = 13

What is the solution to the system of equations?

A) (1, 4)

B) (4, 1)

C) (7, 4)

D) (2.5, 5.5)

Answers

If you would like to solve the system of equations, you can do this using the following steps:

x = y - 3
x + 3y = 13 ... y - 3 + 3y = 13
___________
y - 3 + 3y = 13
4y = 13 + 3
4y = 16
y = 4

x = y - 3 = 4 - 3 = 1

(x, y) = (1, 4)

The correct result would be A) (1, 4).