5z – 8 = 32 please answer

Answers

Answer 1

Answer: add 8 to both sides
5z = 40
divide both sides with 5
z = 8

Answer 2

Answer: Z=8

The reason i know this is:
5z-8=32 add 8 to both sides
5z - 8 = 32
+ 8 +8 (the -8+ 8 get taken off.)
So you have left
5z=40
divide
5z = 40
---- ------
5 5
the 5's get crossed out
and divide 40 by 5 and you'll get 8 :)

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Jack has 120 songs on his music player summer rock summer jazz in the restroom classical pieces if his music players on random shuffle mode probability that it will play a classic pieces is 2/5 and the probability that it will play a jazz piece is 1/3 how many songs of each type or on Jack’s music
Jenny's great grandmother is 90 years old. Jenny is 12 years old, what percent of Jenny's great-grandmother's age is Jenny's age? Needs to be EXACT percent no decimal.
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Four fifth of a number is more than three fourth of the number by 4. Find the number

Answers

Let the unknown number be x then given,

(4/5)x - (3/4)x = 4

(16x - 15x)/20 = 4

x/20 = 4

x=80

Let the number be n.

Four fifths of the number is 4n/5.

Three fourths of the number is 3n/4.

Four fifths of a number is more than three fourths of the number by 4.

4n/5 = 3n/4 + 4

20 * 4n/5 = 20 * 3n/4 + 20 * 4

16n = 15n + 80

n = 80

Let's check.

4/5 of 80 = 4/5 * 80 = 64

3/4 of 80 = 3/4 * 80 = 60

64 is indeed 4 more than 60 showing that 4/5 of 80 is 4 more than 3/4 of 80, so 80 is correct.

Answer: 80

How do you know if an equation represents a proportional relationship?

Answers

If it creates a straight line on a graph, it is proportional

What is 84.985 rounded to the nearest tenth

Answers

84.985 rounded to the nearest tenth is 85

85.0 i think is the answer i think it is 85.0

29849 (3 sig. Fig )

Answers

3 sig fig means 3 significant figures. This means that only the first 3 digits in a number are above 0.
The first 3 digits in 29849 are 298 and, because 4 is less than 5, the 8 is not round up, and remains the same. The 4 and the 9, however, become 0.

The answer is 29800

Answer:

29800

Step-by-step explanation:

your welcome :)

PLEASE ANSWER ASAP! MUST BE CORRECT! MORE POINTS GIVEN!

Answers

Lets check and see which ones are proportional.

A) 1/3 = 2/6 < Proportional.

4/9 doesn't equal to 1/3.

A is not correct.

B) Lets check B.

1/2 = 3/6
3/6 = 5/10
5/10 = 1/2
7/14 = 1/2

B is correct! They are proportional!

Answer:- B is the correct answer.

Y-6x-9=0 asa function notation

Answers

f(x) = 6x + 9 ← in functional notation

let y = f(x) and rearrange the equation making y the subject

add 6x + 9 to both sides

y = 6x + 9

thus f(x) = 6x + 9

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