How might we know whether X is a positive number negative number or 0 without solving the equation 5x=-16.5

Mathematics

1 answer:

Taya2010 [7]2 years ago

8 0

Answer:

Since 16.5 is negative, the only way to get that answer is to multiply 5 by something to negative(x)

Step-by-step explanation:

You might be interested in

Xy - 11 = 5 show the direct variation expalin your reasoning

Vedmedyk [2.9K]

Hey there, Lets solve this one by one

Firstly, add 11 to both sides

 $xy=5+11$

Now, Simplify 5+11 to 16

 $xy=16$

Finally, divide both sides by variable y

 $x = 16 /y$

5 0

3 years ago

4. What is the unit price if 5 pounds of fruit cost $8.40?

STALIN [3.7K]

8.40$ divided by 5 = 1.68$ each pound which makes 1.68$ the unit price per pound.

Now to check the answer 1.68$ times 5 gives us a total of 8.40$

3 0

2 years ago

Any one good at factoring?

svetlana [45]

The student went wrong in step three. the solutions should have been -3 and 5

8 0

2 years ago

One - eighth of 7.92 x 10^10

liraira [26]

The answer is 9900000000 (thats 8 zeros) What you do is you find 10^10 which is 10000000000 (ten zeros) and multiply that by 7.92 to get 79200000000 then you just multiply it by 1/8 to get the answer.

3 0

3 years ago

Which decimal is equivalent to 56?

Akimi4 [234]

Answer:

0.56

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers