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Talja [164]
3 years ago
14

Solve the formula for the variable y. z = 4x + 2y

Mathematics
2 answers:
kaheart [24]3 years ago
3 0
2y plus 4x= z 2y plus 4x -4x= z-4x 2y\2= z-4x\2 y=z-4x\2
loris [4]3 years ago
3 0

Answer:

y = z/2 - 2x

Step-by-step explanation:

I took the quiz and I know for sure that the answer is

y = z/2 - 2x

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A normal population has mean =μ7 and standard deviation =σ5. (a) What proportion of the population is less than 18?
marshall27 [118]

Answer:

P(x< 18) = 0.986

Step-by-step explanation:

Step 1: find the z-score using the formula, z = (x - µ)/σ

Where,

x = randomly chosen values = 18

µ = mean = 7

σ = standard deviation = 5

Proportion of the population that is less than 18 = P(x < 18)

Plug in the values into z = (x - µ)/σ, to get z-score.

z = (18 - 7)/5

z = 11/5 = 2.2

Step 2: Find P(x< 18) = P (z<2.2) using z-table.

The probability that corresponds with z-score calculated is 0.986.

Therefore,

P(x< 18) = 0.986

4 0
3 years ago
What is the value of x ?
Setler79 [48]

Answer:

19

Step-by-step explanation:

When you have a straight line with a transversal, the two angles are equal to 180 degrees

180=123+3x ---> subtract 123 to the other side

57=3x ---> divide by 3

x=57/3

x=19

3 0
3 years ago
Ignore my answer on the top. Anyways please help!
Over [174]

Answer:

i think c but im not positive

Step-by-step explanation:

7 0
3 years ago
Determine the volume of the entire Charter School.​11 points
qaws [65]

Answer:   512m³

Step-by-step explanation:

v = whl

The volume for left building:

v = w x h x l

v = 4 x 10 x 8

v = 320 m³

The volume for right and lower building:

v = w x h x l

v = 8 x 4 x 6

v = 192 m³

The total volume for the entire Charter School is: 320m³ + 192m³ = 512m³

5 0
3 years ago
An experiment consists of rolling a six sided die to select a number between 1 and 6 and drawing a card at random from a set of
Dennis_Churaev [7]

Answer:

35

Step-by-step explanation:

dice

3 0
4 years ago
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