2 years ago

Which expression represents a negative number?

Mathematics

2 answers:

Strike441 [17]2 years ago

7 0

C. -4/5 x 8/9
a negative and positive is always a negative.

Vlad1618 [11]2 years ago

5 0

Answer:
C. -4/5 x 8/9

the product of a negative number multiplied by a positive number is always negative

You might be interested in

Does anyone know this and if it is extraneous or not?

Anna11 [10]

Addd 4 to both sides
$\sqrt{x+9}=5$
sqare both sides
x+9=25
minus 9 both sides
x=16

plug it in for x and see
$\sqrt{16+9}-4=1$
$\sqrt{25}-4=1$
$5-4=1$
1=1
true

not extraneous
an extraneous root would be x=-34

5 0

2 years ago

A bag contains 3 red marbles, 5 green marbles and 7 blue marbles. If Janelle picks one marble out of the bag, what is the probab

lisabon 2012 [21]

3+5+7 = 15 total marbles

3 are red

so she has a 3/15 reduces to 1/5 probability of picking a red one

8 0

3 years ago

4. Solve the following equation: 9x - 6 +7x = 16x - 6

Mashutka [201]

Answer: the answer is 0=0

Step-by-step explanation:

7 0

2 years ago

Please help question is below

mixas84 [53]

Answer:

exponential function

Step-by-step explanation:

geometric sequence

An = A1 * r^(n-1)

common ratio is 2

A1 = 1st term

nagwa

mthway

6 0

1 year ago

Which expression is not equivalent to 8 + (n-4)?

nikklg [1K]

Answer: 12+n

Step-by-step explanation:

4 0

2 years ago