MATHEMATICS MIDDLE SCHOOL

write a compound inequality that represents each situations all real numbers that are greater than -8 but less than 8

Answers

Answer 1

Answer:

Answer:

-8 < r < 8

Step-by-step explanation:

Let r = real number

Greater than >

r>-8

less than <

r <8

We want a compound inequality so we combine these

-8 < r < 8

Answer 2

Answer:

Answer:

$-8 < x < 8$

Step-by-step explanation:

Your compound inequality will include two inequalities.

These are:

x > -8

x < 8

Put your lowest number first, ensuring that your sign is pointed in the correct direction.

$-8 < x$

Next, enter your higher number, again making sure that your sign is pointing in the correct direction.

$-8 < x < 8$

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How to solve 3n+9=7n-15

Answers

Simplifying3n + 9 = 7n + -15
9 + 3n = 7n + -15
9 + 3n = -15 + 7n
9 + 3n = -15 + 7n

9 + 3n + -7n = -15 + 7n + -7n
3n + -7n = -4n9 + -4n = -15 + 7n + -7n
7n + -7n = 09 + -4n = -15 + 09 + -4n = -15
9 + -9 + -4n = -15 + -9
9 + -9 = 00 + -4n = -15 + -9-4n = -15 + -9
-15 + -9 = -24-4n = -24
Divide each side by -4
n = 6

The answer to this problem is 6

How do you break apart 3x5

Answers

their are two ways one way is 5+5+5=3x5 0r another way 3+3+3+3+3

Is 80 a multiple of 4?

Answers

Generally, you can tell if something is a multiple of 4 if it is a multiple of the last two digits, but that works in larger numbers (for example, 2304, you know is a multiple of 4 because the 04 is.)

But, yes it is.

80/4=20

yes here look.....

4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80

Kate prepared 9 kilograms of dough after working 3 hours. How many hours did Kate work if she prepared 12 kilograms of dough? Assume the relationship is directly proportional.

Answers

Answer:

4 hours

Step-by-step explanation:

cross multiply

Which pair of points is in the solution set for the system of linear inequalities below? 2x + y < 2
6x + 3y > 2
a.) (0, 3/2) and (3/4, 1/4)
b.) (1/2, 1) and (1/2,1/2)
c.) (-1,-1) and (0,-3)
d.) (0,2) and (1/3,0)