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erma4kov [3.2K]
3 years ago
5

A state has a limit on the lengths of cargo trains. The train cannot exceed a length of 1,100 ft. Train A has 28 cars at 40 feet

each, and train B has 34 cars at 30 feet each. Do the trains meet requirements?
Mathematics
1 answer:
Bezzdna [24]3 years ago
6 0
Hey there!

For this problem, all you need to do is some multiplication:

40 ft per car * 28 cars = 1,120 ft total
30 ft per car * 34 cars = 1,020 ft total

You can see that Train A exceeds the limit, while Train B doesn't.

Hope this helped you out! :-)
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Mia is taking a multiple choice test with a total of 50 points available. Each question is worth exactly 2 points. What would be
sdas [7]

Answer:

Mia's test score is 44 if she got 3 questions wrong.

Mia's test score is (50-2x) if she got x questions wrong.

Step-by-step explanation:

It is given that, Mia is taking a multiple choice test with a total of 50 points available. Each question is worth exactly 2 points.

If she got 3 questions wrong, then

Deducted marks =2\times 3=6

Marks obtained by Mia = Total marks - Deducted marks

                                      =50-6

                                     =44

So, Mia's test score is 44 if she got 3 questions wrong.

If she got x questions wrong, then

Deducted marks =2\times x=2x

Marks obtained by Mia = Total marks - Deducted marks

                                      =50-2x

So, Mia's test score is (50-2x) if she got x questions wrong.

6 0
4 years ago
Two angles measuring 90 are complementary
inessss [21]

Answer:

Yes, that's right. (I'm not sure what your asking)

Step-by-step explanation:

Complementary angles form a right angle (L shape) and have a sum of 90 degrees.

5 0
3 years ago
Solve for X<br> 1. -5 = x - (-6)<br> 2. - 30=1.25x<br> 3. -6x=72<br> 4. -4.9=0.7x<br> 5. 3.15=0.45x
Hoochie [10]

Answer: 1. -11=x 2. 24=x 3. x=-12 4. -7 5. x=7


Step-by-step explanation: The answer to first one can be calculated by seeing the - as a -1.

-5 = x - (-6)

-5=x+6

Then subtract 6 from both sides.

-5=x+6

-11=x

The answer to the second can be found simply by dividing both sides by 1.25.

- 30=1.25x

-30/1.25=1.25x/1.25

24=x

The third one can be solved by as we said before dividing both sides by -6.

-6x=72

-6x/-6=72/-6

x=-12

The fourth one can be found again by using division on both sides.

-4.9=0.7x

-4.9/0.7=0.7x/0.7

-7=x

Finally we solve the last one by again doing the same thing dividing both sides by 0.45.

3.15=0.45x

3.15/0.45=0.45x/0.45

7=x

Hope this helps!

3 0
4 years ago
FKKKKKKKK HELLLPPPPPPPP #3 ONLYY
Zielflug [23.3K]

Answer:

Subtract from the dividend an easy multiple of the divisor

Record the partial quotient in a column to the right of the problem.

Repeat until the dividend has been reduced to zero or the remainder is less than the divisor.

Add the partial quotients to find the quotient.

Step-by-step explanation:

Hope this helps :)

8 0
3 years ago
Read 2 more answers
I need help on 6 please
IrinaK [193]
The answer is 71.89
7 0
3 years ago
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