-2.2 + 0.3z= 3 -0.5z -0.8z

what does z equal

Answers

Answer 1

Answer: add 2.2 to each side so 0.3z = 5.2 - 0.5z -0.8z
add 0.5z to each side so 0.8z = 5.2 - 0.8z
add 0.8z to each side so 1.4z = 5.2
divide each side by 1.4 so z = 3.71428571

Answer 2

Answer: After getting all the Z values to one side i got 3.25z

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Simplify. –5.9 + (–8.7) – (–12.3) A. –26.9 B. –9.5 C. –2.3 D. 15.1

What is 3/10 equivalent to

Answers

3/10 is equal to 6/20 and 9/30 and so on. On decimals it would be 0.6

5 times the square root of 9 minus the square root of negative 64

Answers

Answer:

15 - 8i

Step-by-step explanation:

5√9-√(-64) = ? Rewrite -√(-64) as -8i.

Then we have 5(3) - 8i, or 15 - 8i.

Answer:

15-8

HOPE THIS HELP

Step-by-step explanation:

14. 30/r
r = 5
Need help!?

Answers

Answer:

The expression = 6

Step-by-step explanation:

The expression is 30/r

30/r

Substitute r=5

30/5

A local hamburger shop sold a combined total of 639 hamburgers and cheeseburgers on Monday. There were 61 fewer cheeseburgers sold than hamburgers. How many hamburgers were sold on Monday?

Answers

the answer to the question

To find the number of Hamburgers sold on Monday, set up an equation and solve for 'x'. 350 hamburgers were sold on Monday.

To find the number of hamburgers sold on Monday, let's assume the number of hamburgers is 'x'. Given that there were 61 fewer cheeseburgers sold, the number of cheeseburgers can be represented as 'x - 61'. The combined total of hamburgers and cheeseburgers sold is 639, so we can set up the equation: x + (x - 61) = 639.

Simplifying the equation, we have 2x - 61 = 639.

Adding 61 to both sides gives 2x = 700. Dividing both sides by 2, we find x = 350.

Therefore, 350 hamburgers were sold on Monday.