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2 years ago

What divided by 9 is -11?

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

5 0

Answer:

-99 divided by 9 is -11

Step-by-step explanation:

a negative divided by a positive is a negative and a positive divided by a negative is a negative .

but a negative divided by a negative is a positive

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What is a constant term or variable term that makes 5x + 20 = 5x + ? have one solution?

In-s [12.5K]

Answer:

It would be 20

Step-by-step explanation:

because 5x+20 = 5x +

it would have to be 20

to have 1 solution

6 0

3 years ago

It takes Matt 6 minutes to swim 12 laps in the pool. How many laps could he swim in 9 minutes?

pochemuha

Answer:

Step-by-step explanation:

6*2=12

9*2=18

Two laps per minute

4 0

2 years ago

Read 2 more answers

Tim has an encyclopedia in 5 volumesA–C, D–F, G–J, K–N, and O–Z. Other than alphabetically (ascending or descending), how many w

Ira Lisetskai [31]

The first book can be any one of the 5.
   For each of those . . .
The 2nd book can be any one of the remaining 4.
   For each of those ...
The 3rd book can be any one of the remaining 3.
      For each of those . . .
The 4th book can be either of the remaining 2.
   For each of those . . .
The 5th book is the last one remaining.

Total number of ways to arrange the 5 books is

   (5 · 4 · 3 · 2 · 1) = 120 .

Cross off alphabetically ascending (1 way), and alphabetically
descending (1 way), and you're left with (120 - 2) = 118 ways.

6 0

2 years ago

Read 2 more answers

WILL MARK BRAINLIEST IF BOTH CORRECT!! PLEASE ANSWER!! 6TH GRADE MATH NYC??

fenix001 [56]

Answer:

19. c 20.b

Step-by-step explanation:

5 0

2 years ago

Find the vertex of this parabola. y = -2x2 + 4x + 12

STatiana [176]

For this case we have the following equation:
$y = -2x ^ 2 + 4x + 12
$
Deriving we have:
$y = -2x ^ 2 + 4x + 12

y '= -4x + 4$
We match zero:
$-4x + 4 = 0
$
We clear the value of x:
$4x = 4

x = 4/4

x = 1$
Then, we substitute the value of x in the equation of the parabola:
$y = -2 (1) ^ 2 + 4 (1) + 12

y = -2 + 4 + 12

y = 14$
Thus, the vertex of the parabola is the ordered pair:
$(x, y) = (1, 14)$
Answer:
The vertice is:
$(x, y) = (1, 14)$

3 0

2 years ago