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trapecia [35]
3 years ago
10

What is the product? (91-4)(-91-4)

Mathematics
2 answers:
Dovator [93]3 years ago
6 0
7569 is the answer to your question
faust18 [17]3 years ago
4 0

Answer:

7569 have a good day

Step-by-step explanation:

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Given f(x)= 3x^2-5x+2 and g(x)= 4x- 6, find f(x)+g(x).
kirill115 [55]

f(x) = 3x² - 5x + 2

g(x) = 4x - 6


f(x) + g(x)


(3x²- 5x + 2) + (4x - 6)

3x² - 5x + 2 + 4x - 6

3x²- 5x + 4x + 2 - 6

3x² - x - 4

8 0
3 years ago
Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi
miss Akunina [59]

Answer:

Mean = 0, Standard deviation = 1

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 77.5 beats per minute

Standard Deviation, σ = 11.6 beats per minute

We are given that the distribution of pulse rates of women is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Putting the values, we get,

z_{score} = \displaystyle\frac{x-77.5}{11.6}

After, the standardization, that is conversion of all pulse rates of women to z scores, the mean of the distribution is 0 and standard deviation is 1.

Mean = 0, Standard deviation = 1

7 0
3 years ago
If 9(1-x) = 27Y and x-y=-11/2, find the value of x + y.​
Finger [1]

Answer:

-2.25

Step-by-step explanation:

9(1-x) = 27Y

9-9x =27y

-9x -27y = -9  multiply all terms by -1

9x +27y =9   equation (1)

x-y= -11/2 equation (2)

by solving 2 equations

x= -3.875

y= 1.625

∴ x+ y = 1.625 +(-3.875) = -2.25

5 0
2 years ago
Read 2 more answers
Four friends made 55 cupcakes and shared them equally.how many cupcakes did each friend get? PLZ HELP ME:(
Drupady [299]

Answer:

13 3/4 cupcakes for each person

Step-by-step explanation:

55 cupcakes and 4 friends

55/4 = 13 3/4

6 0
2 years ago
Read 2 more answers
A recipe for a loaf of bread calls for of a cup of flour. If Milo used 12 cups of flour, how many loaves of bread did he prepare
Free_Kalibri [48]

Answer:

D) 12 loaves

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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