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
andrezito [222]
3 years ago
9

A family left their house in two cars at the same time. One car traveled an average 7 miles per hour faster than the other. When

the first car arrived at the destination after 5 1/2 hours of driving, both cars had driven a total of 599.5 miles. If the second car continues at the same average speed, how much time, to the nearest minute, will it take before the second car arrives?
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
I think it is 15.57.
You might be interested in
See the ​attached file.
Masja [62]

f(x) = 4x - x^2

1)

f(4) = 4(4) - 4^2 = 16 - 16 = 0

f(-4) = 4(-4) - (-4)^2 = -16 - 16 = -32

f(4) - f(-4) = 0 - (-32) = 32

2)

f(3/2) = 4(3/2) - (3/2)^2

f(3/2) = 6 - 9/4 = 15/4

√f(3/2) = √(15/4) = √15 / 2

3)

f(x + h) = 4(x + h) - (x + h)^2

= 4x + 4h -(x^2 + 2xh + h^2)

= 4x + 4h -x^2 - 2xh - h^2

f(x - h) = 4(x - h) - (x - h)^2

= 4x - 4h -(x^2 - 2xh + h^2)

= 4x - 4h -x^2 + 2xh - h^2

So

[f(x + h) -f(x - h) ] / 2h

= [4x + 4h -x^2 - 2xh - h^2 - ( 4x - 4h -x^2 + 2xh - h^2 )] / 2h

=( 4x + 4h -x^2 - 2xh - h^2 - 4x + 4h + x^2 - 2xh + h^2 ) / 2h

= (8h - 4xh) / 2h

= 2h(4 -2x) / 2h

= 4 - 2x

Answer: [f(x + h) -f(x - h) ] / 2h = 4 - 2x

3 0
3 years ago
lone star supply company bought a computer system with a color monitor for 1,598 if the color monitor cost $699 how much did the
ladessa [460]

Answer: $899

Step-by-step explanation: I subtracted $699 from $1598 so it would look like this

$1598-$699=$899

5 0
3 years ago
Solve x - 3 < -1. Graph the solution.
LuckyWell [14K]

Answer: x < 2

Explanation: To solve for <em>x</em> in this inequality, our goal is the same as it would be if this were an equation, to get <em>x</em> by itself on one side.

Since 3 is being subtracted from <em>x</em>, we add 3

to both sides of the inequality to get <em>x < 2</em>.

Before we graph, write your answer in set notation.

We can write this as {x: x < 2}.

It's important to understand what this means.

This means that any number less than 2 is a solution to this inequality.

I have graphed the inequality for you below.

Start with an open dot on +2.

We use an open dot because +2 is not included as a solution.

Then draw an arrow going to the left.

3 0
3 years ago
You decide to play roulette 200 times each time betting the same amount on red. you will loe money if you win on fewer than 100
Arturiano [62]
First off, your chances of red are not really 50-50. You are overlooking the 0 slot or the 00 slot which are green. So, chances of red are 18 in 37 (0 slot) or 38 (0 and 00 slots). With a betting machine, the odds does not change no trouble what has occurred before. Think through the simplest circumstance, a coin toss. If I toss heads 10 times one after the other, the chances of tails about to happen on the next toss are still on a 50-50. A betting machine has no ability, no plan, and no past. 
Chances (0 slot) that you success on red are 18 out of 37 (18 red slots), but likelihoods of losing are 19 out of 37 (18 black plus 0). For the wheel with both a 0 and 0-0 slot, the odds are poorer. You chances of red are 18 out of 38 (18 red slots win), and down are 20 out of 38 (18 black plus 0 and 00). It does not really matter on how long you play there, the probabilities would always continue the same on every spin. The lengthier you play, the more thoroughly you will tie the chances with a total net loss of that portion of a percent in accord of the house. 18 winning red slots and either 19 or 20 losing slots. 
6 0
3 years ago
Matt gave 5 apples to his son and sold 8 times as many apples. If Matt had 1/2 of the apples left, how many did he have in the b
Gala2k [10]

Answer:

90

Step-by-step explanation:

8*5 = 40

40 + 5 = 45

1/2 x = 45

x = 90

4 0
3 years ago
Read 2 more answers
Other questions:
  • According to the measurements given in the figure below, which of the following
    10·1 answer
  • A professor has noticed that, even though attendance is not a component of the final grade for the class, students that attend r
    7·1 answer
  • 13x – 51<br> 10x - 33<br> find bc
    15·1 answer
  • I NEED HELP WITH C. SOMEONE PLEASE
    5·1 answer
  • Plz awnser this question its due in 30 minutes​
    5·1 answer
  • My car cost 3500 I get paid 300 a week how long will it be until I get the car
    7·2 answers
  • Pete can type 80 words in the same time that Ralph can type 50 words. If they type at those rates
    10·1 answer
  • se quiere pintar una pared en forma de hexágono regular y se sabe que cada lado mide 3m y que su apotema es de 2,8m cual es el a
    7·1 answer
  • You went shopping for back to school and bought packs of pens and pencils. a pack of
    5·1 answer
  • Please Help me with this ASAP plssss<br> advanced 6th grade
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!