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Akimi4 [234]
3 years ago
7

Use the distributive property to simplify the following problem: 9 (x +9)

Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0

Answer:

9x+81

Explanation:

9(x+9)

<em>=9x+81</em>

posledela3 years ago
3 0

Answer:9x+81

Step-by-step explanation:

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wariber [46]
Y=mx+b
m=slope

so it is y=-4/3x+b

d is answer
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2 years ago
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Answer choices
Anettt [7]
The answer is D because is you add a one under the 9 you get 9/1 x 2/3 and you can just multiply straight away and get 18/3 but if you need to simplify more you get 6
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(1 point) Suppose we will flip a fair coin 100 times. (a) What does 35 heads correspond to on the standard scale? (enter exact a
vlada-n [284]

Answer:

(a) 35 heads correspond to -3 on the standard scale.

(b) z = 2.4 corresponds to 62 heads on the number of heads scale.

Step-by-step explanation:

(a) If we flip a fair coin once, probability of getting head = 0.5

If we flip a fair coin 100 times, mean number of heads = 100(0.5) = 50

If there are N draws with a P probability of success, the standard deviation (SD) is given as:

SD = \sqrt{(N)(P)(1 - P)}

Here, the probability of getting a head (P) is 0.5 while the number of draws (N) is 100. So,

SD = \sqrt{(100)(0.5)(1-0.5)}

SD = 5

The standard scale value is: (35 - 50) / 5 = -3

Hence, 35 heads correspond to -3 on the standard scale.

(b) The standard scale value is 2.4 and we need to find the number of heads.

(X - 50) / 5 = 2.4

X - 50 = 12

X = 62

Hence, z = 2.4 on the standard scale corresponds to 62 on the number of heads scale.

4 0
3 years ago
Toms banks baleances at the end of the months 1,2,3 are 1600 ,1664,1730.56 what will toms balance be at the end of month 5
Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

a = 1600

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what will toms balance be at the end of month 5

Month 5 = ar⁴

= 1600 * 1.04⁴

= 1600 * 1.16985856

= 1,871.773696

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Tom's balance at the end of month 5 = 1,871.77

5 0
3 years ago
Describe how you will subtract to find the difference of 604-357
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Answer:

just subtract it

Step-by-step explanation:

604-357=247

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3 years ago
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