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Ostrovityanka [42]
2 years ago
11

I need help

Mathematics
1 answer:
Nadusha1986 [10]2 years ago
4 0

Answer:

f(g(x)) = 4x² - 12x + 9

Step-by-step explanation:

Substitute x = g(x) into f(x) , that is

f(g(x))

= f(2x - 3)

= (2x - 3)² ← expand using FOIL

= 4x² - 12x + 9

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A simple random sample of 5 months of sales data provided the following information: Month: 1 2 3 4 5 Units Sold: 94 105 85 94 9
11111nata11111 [884]

Answer:

a) x = 94 units/month

b) s = 51.50 units/month

Step-by-step explanation:

The adequate point estimation of the population mean and standard deviation are the sample mean and sample standard deviation.

a) Point estimation of the population (sample mean)

M=\dfrac{1}{n}\sum_{i=1}^n\,x_i\\\\\\M=\dfrac{1}{5}(94+105+85+94+92)\\\\\\M=\dfrac{470}{5}\\\\\\M=94\\\\\\

b) Point estimation of the population standard deviation (sample standard deviation)

s=\dfrac{1}{n-1}\sum_{i=1}^n\,(x_i-M)^2\\\\\\s=\dfrac{1}{4}((94-94)^2+(105-94)^2+(85-94)^2+(94-94)^2+(92-94)^2)\\\\\\s=\dfrac{206}{4}\\\\\\s=51.50\\\\\\

4 0
3 years ago
4. Find each quotient. a.18/-3 b.-5/-1 c.24/-6 d.-10/-1 e.-25/5 f.8/-2
Nataly_w [17]

Answer:

Step-by-step explanation:

a.18/-3  = (-6)

b.  -5/-1 = 5

c. 24/-6 = (-4)

d. -10/-1  = 10

e. -25/5 =(-5)

f.    8/-2 = (-4)

In multiplication and division, if there are are odd number of negative signs, the result will have negative sign.

If there are even number of negative signs, the the result will have positive sign

6 0
3 years ago
Amanda buys four tickets to the baseball game for $24 each which equation shows the closest estimate of the total amount of Aman
Alik [6]

Answer:

I think $800

Step-by-step

round 24 down to 20

and multiply it by 4

I got 800

24 ->20

20x4=800

3 0
2 years ago
Read 2 more answers
Liam has 2 quarts of apple juice. He wants to pour the juice into 1/5-quarts servings. How many servings can he pour?
nydimaria [60]

Answer:

10 servings

Step-by-step explanation:

Divide the total juice available, 2 quarts, by the serving size, (1/5) quart per serving:

 2 quarts                     2        5

--------------------------- = ----  ·  ------ servings = 10 servings

(1/5) quart/serving       1         1

6 0
3 years ago
What is 5 medium apples divided by 475 calories?
Arturiano [62]
Your answer would be 95 calories per apple
6 0
3 years ago
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