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elixir [45]
3 years ago
5

25 POINTS!!! x = 4 6 12

Mathematics
2 answers:
Sedaia [141]3 years ago
8 0
The answer will have to be 288
shutvik [7]3 years ago
7 0

Answer:

288

Step-by-step explanation:

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If you had the z-score, mean and standard deviation, how could you find the x - value? Please help, 99 points!
VladimirAG [237]

Answer:

z * sigma+u = x

Step-by-step explanation:

z = (x-u)/ sigma

z is the z score, u is the mean, sigma is the standard deviation

We need to solve for x

Multiply each side by sigma

z * sigma =  (x-u)/ sigma * sigma

z * sigma = x-u

Add u to each side

z * sigma+u = x-u+u

z * sigma+u = x

8 0
3 years ago
Pls answer very confused
9966 [12]

Answer:

1. x = 2

2. x = 4

Step-by-step explanation:

1. 6 - 4x = 6x -8x + 2

  6 - 4x = -2x + 2

  +4x    +4x

  6 = 2x + 2

  -2         -2

  4 = 2x

  /2    /2

   2 = x

2.

6 - 6x = 5x -9x -2

6 - 6x = -4x -2

  +6x     +6x

6 = 2x -2

+2       +2

8 = 2x

/2    /2

4 = x

3 0
4 years ago
For the functions f(x)=3x−1 and g(x)=4x−3, find (f∘g)(x) and (g∘f)(x)
motikmotik
(f°g)(x)=12x-10

(g°f)(x)= 12x-7

Hope this helps
8 0
3 years ago
Blueberries cost $4.00 per pound. How many pounds of blueberries can you buy for $1.00?
Oxana [17]

Answer:

1/4 of a pound

Step-by-step explanation:

Blueberries are 4 dollars a pound you have 1 dollar

you can by 1/4 of a pound

5 0
3 years ago
Read 2 more answers
Please help I'll give 100 points to whoever is correct
levacccp [35]

Answer:

110.5 yd²

Step-by-step explanation:

Separate the figure into 1 triangle and 3 rectangles.

(see attached image)

<u>Area 1</u>

Area of a triangle = 1/2 × base × height

                             = 1/2 × (7 + 2 + 2) × 7

                             = 1/2 × 11 × 7

                             = 38.5 yd²

<u>Area 2</u>

Area of a rectangle = width × length

                                 = 3 × (5 + 2 + 2)

                                 = 3 × 9

                                 = 27  yd²

<u>Area 3</u>

Area of a rectangle = width × length

                                 = 5 × (5 + 2)

                                 = 5 × 7

                                 = 35  yd²

<u>Area 4</u>

Area of a rectangle = width × length

                                 = 2 × 5

                                 = 10  yd²

<u>Total Area</u>

Area 1 + Area 2 + Area 3 + Area 2 = 38.5 + 27 + 35 + 10

                                                        = 110.5 yd²

3 0
2 years ago
Read 2 more answers
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