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rodikova [14]
3 years ago
9

Which expression is equivalent to -4 - 9? A. 4 + 9 B. 4 - 9 C. -4 + (-9) D. -4 + 9

Mathematics
2 answers:
musickatia [10]3 years ago
8 0
Answer: C. -4 + (-9)
ANEK [815]3 years ago
6 0

Answer:

C

Step-by-step explanation:

-4-9= -13

-4 + (-9) = -13

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Jason and his mother are re-tilling the kitchen floor .The area of the kitchen floor is 96.75 square feet. Each tile has an area
aleksklad [387]
Answer is 78 tiles, after rounding off
4 0
4 years ago
Hannah and Corrine are playing a game by rolling two cubes, each numbered 1 through 6. If the sum of the numbers on the cubes is
geniusboy [140]

D. Corrine is not correct because Hannah also wins if 6 is on the first cube and 1 is on the second, if 5 is on the first cube and 2 is on the second, and if 4 is on the first cube and 3 is on the second.

Step-by-step explanation:

To get a sum of 7 by rolling two cubes, we need to get one of the combinations from the list below:

1 on the first cube, 6 on the second cube

or

6 on the first cube, 1 on the second cube

2 on the first cube, 5 on the second cube

or

5 on the first cube, 2 on the second cube

3 on the first cube, 4 on the second cube

or

4 on the first cube, 3 on the second cube

Therefore, the correct answer option is D. Corrine is not correct because Hannah also wins if 6 is on the first cube and 1 is on the second, if 5 is on the first cube and 2 is on the second, and if 4 is on the first cube and 3 is on the second.

3 0
3 years ago
F(n)=n^2+2n find f(-6)
Savatey [412]
F(-6) = (-6)2 + 2(-6)
= -12 - 12
= -24
7 0
3 years ago
Write an equation from the information given: A rectangle is twice as long as it is wide. The perimeter of the rectangle is 18.
Agata [3.3K]

Let width = x, Therefore the length must equal 2x

Therefore insert these values on the sides of a rectangle.

Add: 2x + 2x + x + x = 18

Therefore 6x = 18

x = 3

3 0
3 years ago
What is the linear equation for this graph? (y=mx+b)
mart [117]

Answer:

y = -3x - 3

Step-by-step explanation:

the y-intercept is -3 as shown in the graph, so, b = -3

if you count, the rise is 3 and the run is -1, so the slope will be -3/1

-3/1 equals to -3

y = -3x - 3

4 0
3 years ago
Read 2 more answers
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