MATHEMATICS MIDDLE SCHOOL

How far can your brother get if he can travel at 2.5 m/s and in 5 seconds you will discover that his squirt gun had run out of paint

Answers

Answer 1

Answer:

Answer:

12.5 meters

Step-by-step explanation:

2.5 m/s for 5 seconds is

$2.5*5=12.5$

12.5 m after 5 seconds

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Does it make sense to connect the points on the graph with a solid line? Explain

Answers

yes becuase it needs to be a solid line so it doesn't look like a squiggle.

yes I think it do make sense

What is the mixed number for 18/15

Answers

15 goes into 18 once with 3 remainder.

18/15-15/15=3/15=1/5

So the answer is:
$1 (1)/(5)$

Describe the line segments outlined on a tennis racquet

Answers

the line segment would be in the midde of the racquet

What is the inverse of the function f(x) = 2x + 1?

Answers

Answer:

$f^(-1)$ (x) = $(x-1)/(2)$

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 2x + 1 ( subtract 1 from both sides )

y - 1 = 2 ( divide both sides by 2 )

$(y-1)/(2)$ = x

Change y back into terms of x and let x = $f^(-1)$ (x), thus

$f^(-1)$ (x ) = $(x-1)/(2)$

X + 10 = 2x
solve for x

Answers

Answer:

Step-by-step explanation:

10 + 10 = 2x

2x = 20

10 + 10 = 20

x = 10

have a nice day and mark me brainliest! :)

Simplify the complex fraction. Please show all work!

Answers

Answer:

3(u^2 +u-3)

-------------------

u(u-3)^2

Step-by-step explanation:

u 1

---- + -------

u-3 u

-------------------------

u-3

----------

Get a common denominator for the numerator

u *u 1(u-3)

---- + -------

(u-3)u u(u-3)

-------------------------

u-3

----------

u *u + (u-3)

-----------

(u-3)u

-------------------------

u-3

----------

Now use copy dot flip

u *u + (u-3) 3

----------------- * -------------

(u-3)u u-3

3(u^2 +u-3)

-------------------

u(u-3)^2

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Combine the like terms to simplify the expression:9 + 3 + 17xy2 + 8y3 + 10x –13xy2 – 9x – 6y3 A. 2y6 + 4x2y2 + 10x + 12 B. 2y3 – 4xy2 – 3x + 12 C. 2y3 + 4xy2 + 10x + 9 D. 2y3 + 4xy2 + x + 12