The sum of a number b and 3 is greater than 8 and less then 12

Answers

Answer 1

Answer: The sum of a number b and 3 is greater than 8 and less than12=> b + 3 < 8
=> b + 3 > 12

Now,let’s combine this into an expression:
=> 8 < b+3 < 12
=> (8 - 3) < b < (12 - 3)
=> 5 < b < 9
Thus, the answer in the given situation is 9 because 9 is greater than 8 butless than 12.

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Answers

V=A*h*1/3 - equation to count volume of the pyramid
A=93.5 sq ft
h=6 ft
V=93.5*6*1/3=93.5*2=187 cubic ft

The volume of a pyramid with a hexagon base is: 1/3 * area of the base * height.

So: 1/3 * 93.5 * 6 = 187.

Xian and his cousin Kai both collect stamps, and Kai has 68 stamps. The boys recently joined different stamp collecting clubs. Xian’s club sill send him 12 new stamps per month. Kai’s club will send him 8 new stamps per month. After how many months will Xian and Kai have the same number of stamps? How many stamps will each have?

Answers

Assuming that Xian starts with 0 stamps, you set the equations equal to each other to find what month they have the same amount of stamps.

(68 from Kai's original stamps) (8 from how many per month)
(0 from Xian's original stamps) (12 from how many per month)
68+8m=0+12m
solve for m in this equation and you get 68=4m
and 68/4 = 17 months

For how many stamps each will have, you plug in 17 into m in Xian's equation (you could do either but Xian's is easier):
0+12m
0+12(17)=204
204 stamps.

Hope this helped, it was kinda long lol

Adam can shovel a driveway in two hours. Bev can shovel the same driveway in three hours. How long would it take them working together

Answers

Answer:

1.2 hours

Step-by-step explanation:

Given the following :

Time taken by Adam to shovel driveway = 2 hours

Time taken by BEV to shovel highway = 3 hours

How long will it take them working together

Hence Adam's rate of shoveling per hour :

Reciprocal of time taken = 1/2 per hour

BEV's rate will also be ;

1/ 3 per hour

If both work together ; that is combining the rate :

1/2 + 1/3 = (3 + 2) = 5/6

Combined rate = 5/6

Total fraction of shoveled area = 1:

Time taken = area / rate

= 1 ÷ (5/6)

= 1 × (6 / 5)

= 6/5

= 1 1/5 hours = 1.2 hours

Two equivalent rational numbers of -13/9

Answers

Hello!

Answer:

$\Large \boxed{\sf -(26)/(18)~~ and~ -(52)/(36) }$

Step-by-step explanation:

→ We want two equivalent rational numbers of -13/9.

→ Let's convert the fraction -13/9:

$\sf -(13)/(9) = -(13* 2 )/(9* 2) = \boxed{\sf -(26)/(18) } = -(26* 2)/(18* 2) = \boxed{\sf -(52)/(36) }$

Conclusion:

-13/9 is equal to -26/18 which is equal to -52/36.

Answer:

-26/18 and -39/27

Step-by-step explanation:

-13/9 x 2/2 = -26/18

-13/9 x 3/3 = -39/27

Juliet opened a savings account at a bank by depositing $75. The account earns simple interest at a rate of 4% per year. The money has been in the account for 5 years, and Juliet has not made any more deposits or withdrawals. How much money is in Juliet’s account?A) $270.00
B) $78.00
C) $80.00
D) $90.00

Answers

The money has been in the account for 5 years. This means that the amount of deposit was increased for 5 times.
75*1.04*1.04*1.04*1.04*1.04=75*1.04^5≈91.3 $
In this way i prefer to chose D) $90.00 beacuse it's the nearest number

What is 8/16 in simplest form

Answers

1/2 is the simpliest form,divide everything by 2

Not really because 8 times something equals 16 so, 8x2=16
So your answer is two.

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