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3 years ago

What is the GCF of 8 and 32? 2 4 8 32

Mathematics

1 answer:

zvonat [6]3 years ago

8 0

Answer:

4 would be the answer

Step-by-step explanation:

the only two they have in common is 2 and 4

and the greatest common factor is therefore 4

If brainiest is earned its greatly appreciated

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The scores of the students on a standardized test are normally distributed, with a mean of 500 and a standard deviation of 110.

Gnesinka [82]

Answer:

The probability that a randomly selected student has a score between 350 and 550 = 0.5867

Step-by-step explanation:

Mean $(\nu )$ = 500

Standard deviation $(\sigma )$ = 110

Let X be the score of student in a standardized test

The probability that a randomly selected student has a score between 350 and 550 =

$P(350< X< 550)$ = $P(\frac{ 350 - 500 }{110 }< \frac{ X - \nu }{\sigma }< \frac{ 550 - 500 }{110 } )$

= $P(- 1.36< Z< 0.45 )$ Putting $(Z =\frac{ X - \nu }{\sigma })$

= $(Z< 0.45) - (Z< -1.36)$

= 0.6736 - .0869 ( Using Z table )

= 0.5867

8 0

4 years ago

Paula always withdraws 20 dollars more than she needs from the bank. Write an expression for the amount of money Paula withdraws

Pani-rosa [81]

Because the original statement states that Paula withdrew $20 MORE, then me can write a statement as instructed, with "d" meaning dollars:
d + $20
Hope that helps:)

7 0

3 years ago

12 to 28 simple form

ch4aika [34]

3 to 7
Hope this helps!

8 0

4 years ago

Determine whether (7,9) is a solution of 7x+2y= −7.

topjm [15]

We can check by subbing in the values.

7x + 2y = -7
(7,9).....x = 7 and y = 9
now we sub
7(7) + 2(9) = -7
49 + 18 = -7
67 = -7 (incorrect)....therefore, (7,9) is NOT a solution for this equation

8 0

3 years ago

In a toy store, the ratio of the number of dolls to teddy bears is 6:7. If the store has 120 dolls, how many teddy bears are the

VMariaS [17]

Dolls : teddy bears
6 : 7

if 120 dolls are equal to 6 portions,
7 portions,
(120/6) * 7
140 teddy bears

6 0

3 years ago