1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
k0ka [10]
3 years ago
8

John went on a vacation to Florida. He drove 350 miles in 5hours. He ran into road work on the way home and his average rate of

speed was twenty mph slower than his speed on the way there. If he left his condo at noon headed home what time will he get home?
Mathematics
1 answer:
postnew [5]3 years ago
3 0

Answer:

7:00

Step-by-step explanation:

First I figured out the MPH for the ride there by dividing 350 by 5 which was 70 MPH which is the average rate of speed. Next, I subtracted by 20 since the ride home his average speed was 20 less than before which got me 50 MPH. Then, I divided 350 by 50 to get the hours it took him with his setback which was 7. Lastly, I added 7 hours to noon (12:00) and got 7:00

You might be interested in
Solve the system of equations : y = x/2 , y = -x - 3 . You can use any method you wish for solving systems of equations. Check y
lorasvet [3.4K]

Answer:

x=−2 and y=−1

Step-by-step explanation:

<u>Problem:</u>

Solve y=x2;y=−x−3

<u>Steps:</u>

I will solve your system by substitution.

y=1/2x;y=−x−3

Step: Solve y= 1/2x for y:

Step: Substitute 1/2 x for y in y=−x−3:

y=−x−3

1/2x= =−x−3

1/2x+x=−x−3+x(Add x to both sides)

3/2x = -3

3/2x/3/2 = -3/3/2 (Divide both sides by 3/2)

x=−2

Step: Substitute −2 for x in y=1/2x:

y=1/2x

y=1/2(-2)

y=−1(Simplify both sides of the equation)

<u>Answer:</u>

x=−2 and y=−1

5 0
2 years ago
Write the following equation in the general form Ax + By + C = 0. <br> 2x + y = 6
katen-ka-za [31]
<span>2x + y = 6
2x + y - 6 = 0

answer is </span>2x + y - 6 = 0

hope that helps
5 0
3 years ago
(4x-3)(2x^2-7x+1) what is the product of this please help!
goblinko [34]

Answer:

8x^{3}-34x^{2}+25x-3

Step-by-step explanation:

In order to solve this problem, lets take the two terms in the binomial (4x and -3) and, for each one, multiply them by each term in the trinomial (2x^2, -7x, and 1):

(4x-3)(2x^{2}-7x+1)

(4x*2x^{2})+(4x*-7x)+(4x*1)+(-3*2x^{2})+(-3*-7x)+(-3*1)

8x^{3}+(-28x^{2})+4x+(-6x^{2})+21x+(-3)\\

8x^{3}-28x^{2}+4x-6x^{2}+21x-3

Let's combine like terms to get our final answer:

8x^{3}-28x^{2}-6x^{2}+4x+21x-3

8x^{3}-34x^{2}+25x-3

6 0
3 years ago
Is x-1 a factor of x^5+2x^2-1
vazorg [7]

Answer: i think no cuz f(1)=2 but i am not sure

Step-by-step explanation:

5 0
3 years ago
Is y=5x-25 proportional
Vinvika [58]
It is proportional because we increase y.
3 0
3 years ago
Other questions:
  • An exterminator must treat the perimeter of a house for insects. If the house is 90 feet long and 30 feet wide, what is the tota
    11·1 answer
  • How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F
    12·1 answer
  • Round 249.999 to the newest hundreth
    14·2 answers
  • Describe two ways to write equivalent algebraic expressions
    8·1 answer
  • Solve the simultaneous equations <br> 5x + 6y = 3<br> 2x - 3y = 12
    14·2 answers
  • Evaluate the expression.
    8·1 answer
  • Find the coordinates of the reflection: B (5, 4) is reflected over the line x=1
    8·1 answer
  • A geometric sequence has second term 12 and fifth term 324. A) find common ratio b) calculate 10th term c) the kth term is the f
    7·1 answer
  • Min had some cards
    5·1 answer
  • (Middle school math) please help, thank you
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!