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Roman55 [17]
2 years ago
11

Kết quả của phép tính : 2(x+1) là?

Mathematics
2 answers:
Gwar [14]2 years ago
7 0

Answer:

2x + 2 is your using distributive property

Step-by-step explanation:

Kazeer [188]2 years ago
4 0

Answer:

2x +1 =))))

bạn mất gốc hả

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The sum of two consecutive odd integers is -124. Find two integers
SVETLANKA909090 [29]
2n+1+2n+3=-124\\
4n+4=-124\\
4n=-128\\
n=-32\\\\
2n+1=-63\\
2n+3=-61
5 0
3 years ago
In the United States, the mean and standard deviation of adult men's heights are 70 inches (5 feet 10 inches) and 4 inches, resp
Artyom0805 [142]

Answer:

P(X>72)=P(\frac{X-\mu}{\sigma}>\frac{72-\mu}{\sigma})=P(Z>\frac{72-70}{4})=P(z>0.5)

And we can find this probability using the complement rule and the normal standard table:

P(z>0.5)=1-P(z

And the best solution would be:

c. 0.3085

Step-by-step explanation:

For this case we can convert all the values to inches in order to standardize the solution:

5ft * \frac{12 in}{1ft}= 60 in

6ft * \frac{12 in}{1ft}= 72 in

Let X the random variable that represent the heights of US mens, and for this case we know the distribution for X is given by:

X \sim N(70,4)  

Where \mu=70 and \sigma=4

We are interested on this probability

P(X>72)

We can use the z score formula given by:

z=\frac{x-\mu}{\sigma}

Using this formula we got:

P(X>72)=P(\frac{X-\mu}{\sigma}>\frac{72-\mu}{\sigma})=P(Z>\frac{72-70}{4})=P(z>0.5)

And we can find this probability using the complement rule and the normal standard table:

P(z>0.5)=1-P(z

And the best solution would be:

c. 0.3085

5 0
3 years ago
Assume that you mow lawns. If you charge $8 per lawn and find 4 people to pay
Anastaziya [24]
You would take in 22
3 0
3 years ago
Read 2 more answers
Find the value of x.<br> 71°<br> (10x + 6)°<br> (13x - 2)°<br> (8x - 1)<br> #15
lianna [129]

Answer:

7x7/6x4

Step-by-step explanation:

5 0
2 years ago
Pls help me, its not hard
natulia [17]

Answer:

1. y = -x + 3

2. y = x - 3

3. y = 3x + 1

4. y = -3x - 3

Step-by-step explanation:

Hello! sorry, I just saw your message on the question I answered before asking for help so here you go, these are the answers, hope this helps.

Pls mark me brainliest if you can:)

3 0
3 years ago
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