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2 years ago

I need help asap!!!!

Mathematics

1 answer:

sashaice [31]2 years ago

5 0

Answer:

760 inches squared

Step-by-step explanation:

surface area -

4(14 x 10) + 2( 10 x 10) = 560+200=760

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2, 9, 16, 23, Number pattern expression equations

algol [13]

Answer:

see below

Step-by-step explanation:

2+7 = 9

9+7 = 16

16+7 = 23

We are adding 7 each time

an = a1+ 7(n-1) where an is the nth term a1 is the first term and n is the term number

an = 2 + 7n - 7

an = 7n -5

an+1 = an +7

7 0

3 years ago

Read 2 more answers

How can I get better in mathematics?

aliya0001 [1]

Answer:

STUDY OR TUTOURStep-by-step explanation:

8 0

2 years ago

Evaluate the expression. 1/2 x (4+8)

Elanso [62]

Answer:

Hey there!

1/2 x (4+8)

1/2 x (12)

Hope this helps :)

8 0

3 years ago

Read 2 more answers

Sergio is working on a research project involving the ages of students at Brooklyn College. After interviewing 500 students, he

Zinaida [17]

Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

Step(i):-

Given Population size n = 500

Mean of the Population = 20 years and 6 months

= $20 + \frac{6}{12} = 20 +0.5 = 20.5 years$

Standard deviation of the Population = 2 years

Let 'X' be the range of ages of the students on campus follows a normal distribution

Let x =21

$Z = \frac{x-mean}{S.D}$

$Z = \frac{x-mean}{S.D} = \frac{21-20.6}{2} =0.2$

The probability of a randomly chosen student being exactly 21 years old.

P( Z≤21) = 0.5 + A( 0.2)

= 0.5 +0.793

= 1.293

6 0

3 years ago

Cathryn was making a pie. she used 3⁄2 pints of blackberries and 7⁄3 pints of blueberries. how many more blueberries than blackb

Bas_tet [7]

3/2 = 9/6 blackberries, then 7/3 = 14/6 blueberries. 14-9=5, and so then 5/6 pints of blueberries was used more than blackberries.

the answer is 5/6! : )

7 0

3 years ago

I need help asap!!!!​

I need help asap!!!!