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TiliK225 [7]
3 years ago
5

A loaded moving truck is traveling 25 mph faster than a freight train. In the time it takes the train to travel 90 miles, the tr

uck travels 140 miles. Find the speed of the truck.
Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

70

Step-by-step explanation:

if the train is traveling 90 miles in 2 hours then its going 45 mph so 25 + 45 = 70 and 70 mph is 140 in 2 so then the equation is true

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How to write the algebraic expression (2)(t) in words
Jlenok [28]

Answer:

"The number 8 multiplied by a number. "

"The product of 8 and a number"

"A number times the number 8"

Step-by-step explanation:

This is a long one,

You are going to write the expression using "key words"

Addition: sum, more than, plus, increase, add, older than.

Examples: 4+7

"The sum of 4 and 7"

"7 more than the number 4"

"The number 4 increased by 7"

Etc....

Subtraction: minus, less, subtract, decrease, younger than, and lowered.

Example: 9 - 2

"The number 9 decreased by 2"

"The number 2 younger than 7"

"The number 7 minus 2"

Etc....

Multiplication: times, product, twice, doubled, multiplied, and of.

Example: 4 × 5

"The number 4 multiplied by 5"

"The product of the numbers 4 and 5"

"5 times the number 4"

Etc...

Division: divided by and divided into and Quotient. Pay close attention to the order in which it is written.

Examples: 6 / 3

"The number 6 divided by 3"

"3 divided into the number 6"

Or

"The quotient of the numbers 3 into 6"

Ect...

Expressions with More Than One Operation example:

8y + 14 ...

You could say:

The sum of 8 times a number and 14.

When referring to unknown number i.e. x, y, n, v... you may refer to it a "a number"

Hmmm, best way I can describe it. :)

7 0
3 years ago
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Nuetrik [128]

Answer:

250/30= 25/3

inverse of 25/3= 3/25

Step-by-step explanation:

3 0
3 years ago
Do the ratios 8:24, and 5:15 form a proportion<br><br> yes<br> no
Dmitrij [34]

Answer:

Yes they do, the proportion of 1:3 as 1 x 8=8, and 3 x 8=24, and 5 x 1=5, and 5 x 3=15

Step-by-step explanation:

5 0
2 years ago
Please help its for today before 11
Black_prince [1.1K]

Alright, the zeroes are where it intersects with the X-axis so...

4) -15 and 10

5) 6 and 18

6) -5 and 0

7) -20 and -8

8) 2 and 10

9) -21 and 14

Hope I was able to help you :)

6 0
3 years ago
What attribute must be present for a quadrilateral to also be a trapezoid?
konstantin123 [22]

Answer:

At least two of the opposite sides must be parallel.

Step-by-step explanation:

In the picture below, the segment AB must be parallel to the segment DC so that the figure can be called a trapezoid.

3 0
3 years ago
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