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Jet001 [13]
3 years ago
11

A bus and a car leave the same place and traveled in opposite directions. If the bus is traveling at 50 mph and the car is trave

ling at 55 mph, in how many hours will they be 210 miles apart?
Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

After Two Hours.

Step-by-step explanation:

A simple way to do it is to:

1. Add 50+55, it is equal to 105. This is after one hour, so we know that it's more than this.

2. Add 50+55 to 105, This is after two hours, and we get 210, so we know that it has to be equal to 2 hours.

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The second digit of a four digit number is "0". If you write the digits of this number backwards, you will get a number 9 times
wolverine [178]

Answer:

1089

Step-by-step explanation:

The original number is A0CD, We have that DC0A = 9 x A0CD.

If A =1, then D = 9 and we have:

9C01 = 9 x 10C9

In order for this expression to be true, the following must also be true:

(C x 9) + 8 must be divisible by 10, which means that C x 9 must end in a 2.

The only multiple of 9 (from 9 to 81) that ends in a 2 is 72.

72 = 9 x 8.

Therefore, C must be 8 and the original number is 1089. Multiply it by 9 to check the answer:

1089 x 9 = 9,081

Therefore, 1089 is correct.

6 0
3 years ago
Given 2 lines cut by a transversal, what would the m<7 have to be if m <4=85 for the lines to be parallel and what is the
nlexa [21]

Answer:

85º

Step-by-step explanation:

<7=<4 since we know the lines are parallel, and intersected at the same angle

Therefore, <7=85º.

8 0
2 years ago
Find the slope from the table.<br> x 5 5 5<br> y-101<br> 1/10<br> Undefined<br> 5<br> O<br> B
Vedmedyk [2.9K]

Answer: undefined

Step-by-step explanation:

the line is a straight line up, if it was sieways it would be 0

4 0
3 years ago
Read 2 more answers
Which of the following could be the lengths of the sides of a 45°-45°-90° triangle?
vlabodo [156]

Answer:

the \: answer \: is \:  \:  {b}

7 0
3 years ago
Gabrielle is baking large batches of brownies and cookies to share with her friends and family. Among other ingredients, her bro
USPshnik [31]

The system of inequalities can model Gabrielle’s situation is;

x + 2y ≤ 20

x + 2y ≤ 203x + 2y ≤ 21

<h3>Inequality</h3>

It follows from the task content, that the inequalities which can be used to model Gabrielle's situation be determined.

By setting variables as follows;

  • batches of brownies = x
  • batches of cookies = y

Brownie:

Sugar = 1 cup

Eggs = 2

Cookie:

Sugar = 3 cups

Eggs = 2

x + 2y ≤ 20

x + 2y ≤ 203x + 2y ≤ 21

Learn more about inequality:

brainly.com/question/25275758

#SPJ1

5 0
2 years ago
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