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3 years ago

What y’all think? I just can’t decide : / (will report unnecessary commentary)

Mathematics

1 answer:

horsena [70]3 years ago

4 0

Answer:

That's the right answer.

Step-by-step explanation:

2x+3=3x

Subtract 2x from both sides

3=x or x=3

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A car can travel 135 miles with 5 gallons of gasoline. At this rate, how much gallons of gasoline the car needs to travel 675 mi

labwork [276]

Answer:

25 gallons

Step-by-step explanation:

Given

135 miles to 5 gallons

Required

Determine the number of gallons for 675 miles

From the question, number of miles is directly proportional to number of gallons:

So, we have:

$135\ miles = 5\ gallons$

and

$675\ miles = x$

Where x represents the number of gallons for 675 miles

Cross Multiply:

$135 * x = 675 * 5$

$135x = 3375$

Make x the subject

$x = 3375/135$

$x = 25$

Hence, the car needs 25 gallons

4 0

3 years ago

Name an event that would be measured in days.

juin [17]

The Olympics is a week or so. do it need to be specific?

4 0

3 years ago

How do you write the expression for s(x)=3x^2 t(x)=4x (t*s)(-2)

mafiozo [28]

S(x)=3x²
t(x)=4x
(t*s)(-2)=(3x² * 4x)(-2)=(12x³)(-2)=-24x³

Answer: (t*s)(-2)=-24x³

5 0

3 years ago

Fifteen us added to product of a number and 6. the result is 9

solong [7]

Answer:

Let y be our number:

6y+15=9

Step-by-step explanation:

Since it is the product, you have to multiply:

Next, you will have to add 15, +15

6y+15

This expression will equal to 9

6y+15=9

Hope This Was Helpful!

8 0

3 years ago

Helppp meee please this one confuses me

slava [35]

$= (3x + 2)(x + 1) \\ = 3x(x + 1) + 2(x + 1) \\ = {3x}^{2} + 3x + 2x + 2 \\ = {3x}^{2} + 5x + 2$

8 0

2 years ago