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3 years ago

12

PLEAZEEE HELP ME PLS WILL GIVE BRAINLIEST

1 answer:

Free_Kalibri [48]3 years ago

3 0

Answer:

2q+7r+8

Step-by-step explanation:

(q+3)+(q+2)+(7r+3)

Brainliest is very apprieciated!

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A box of tickets has an average of 420; the SD is 84. If we draw at random (with replacement) 50 times and compute the average o

disa [49]

Answer:

Average of the draws equals 420

Standard Error = 11.88

Step-by-step explanation:

Given

$\mu = 420$

$\sigma = 84$

$n =50$

Solving (a): The average of the draws

This implies that we calculate the sample mean

This is calculated as:

$\bar x = \mu$ --- Sample Mean = Population Mean

So, we have:

$\bar x = 420$

Solving (b): The standard error

This is calculated as:

$SE=\frac{\sigma}{\sqrt n}$

So, we have:

$SE=\frac{84}{\sqrt {50}}$

Using the calculator, we have:

$SE=11.88$

4 0

3 years ago

What is the answer to -2x- x +8

Musya8 [376]

The answer is -3x+8 hope this helped!

5 0

3 years ago

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Use addition properties and strategies to find the sum 34+62+51+46=

sammy [17]

46+34 = 80
62+51 = 113
80 + 113 = 193

5 0

4 years ago

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Solve. u+6 = 18<br> a. 3<br> b. 12<br> c. 24<br> d. 108

Gekata [30.6K]

$u+6=18\\
u=12$

4 0

3 years ago

Please help! I will give brainliest!

g100num [7]

Answer:

A

Step-by-step explanation:

trust me brother

subtracting a negative number is the same as adding the number

6 0

3 years ago

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