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3 years ago

Which expression is equivalent to 1/2(2n+6

Mathematics

2 answers:

Sati [7]3 years ago

7 0

Answer:

n+3

Step-by-step explanation:

Andrei [34K]3 years ago

4 0

Answer:

n+3

Step-by-step explanation:

1/2(2n+6)= (1/2*2)n+(1/2*6)

1/2(2n+6)=n+3

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0.2x + 0.3y = 0.5 need help plzz

krok68 [10]

Answer:

y = − 0. 6 x + 1.6

Step-by-step explanation:

Write in slope-intercept form,

y = m x + b

Note:

The decimals (0.6) and (1.6) ARE repeating...

If you need any other form of working it out let me know!

Glad I could help!!

6 0

3 years ago

Can someone help me please

N76 [4]

26/100 or simplified to 13/50

7 0

3 years ago

Alina by several shares of stock at $28 per-share and sells them at $24.50 per-share what is the percent of decrease in the pric

balu736 [363]

Take the absolute value of the difference, then divide it by the original amount
|28 - 24.5| / 28 = 3.5/28 = 0.125..now we multiply that by 100 to get it into a percent 0.125 * 100 = 12.5% <== ur answer

6 0

3 years ago

Read 2 more answers

What is the solution of ?

Tanya [424]

Answer:

of what???????..???..

5 0

3 years ago

The lengths of nails produced in a factory are normally distributed with a mean of 3.34 centimeters and a standard deviation of

Shtirlitz [24]

Answer:

3.47 and 3.21

Step-by-step explanation:

Let us assume the nails length be X

$X \sim N(3.34,0.07^2)$

Value let separated the top 3% is T and for bottom it would be B

$P(X < T)= 0.97$

Now converting, we get

$P(Z < \frac{T-3.34}{0.07})= 0.97$

Based on the normal standard tables, we get

$P(Z < 1.881)= 0.97$

Now compare these two above equations

$\frac{T-3.34}{0.07} = 1.881 \\\\ T = 1.881 \times 0.07 + 3.34 \\\\ = 3.47$

So for top 3% it is 3.47

Now for bottom we applied the same method as shown above

$P(Z < \frac{B-3.34}{0.07})= 0.03$

Based on the normal standard tables, we get

$P(Z < -1.881)= 0.03$

Now compare these two above equations

$\frac{B-3.34}{0.07} = -1.881$

$= -1.881 \times 0.07 + 3.34 \\\\ = 3.21$

hence, for bottom it would be 3.21

7 0

3 years ago

Which expression is equivalent to 1/2(2n+6 ​

Which expression is equivalent to 1/2(2n+6