MATHEMATICS MIDDLE SCHOOL

The height ,H of a cylinder is 5 units less than 3 times the radius, r. What is an expression that can represent this

Answers

Answer 1

Answer:

Answer:

H = 3 r - 5 .

Step-by-step explanation:

Given : The height ,H of a cylinder is 5 units less than 3 times the radius, r.

To find : What is an expression that can represent .

Solution : we have given that

The height ,H of a cylinder is 5 units less than

3 times of radius = 3 *r

H = 3 r - 5 ( negative sign for less than )

Therefore, H = 3 r - 5 .

Answer 2

Answer: H = 3r - 5 (equation)
3r - 5 (expression)

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What is 21 divided by 7

Answers

the answer is these your welcome 3

21/7=3 and you can check this answer with 7*3=21, I hope this helps.

Joe has a Target Red Card and receives a 5% discount of every purchase he makes at Target. If t represents the cost of Joe’s purchases at Target, which expression represents his bill? Choices:
a) .05t
b) .95t
c) t-0.05
d) t+0.95

Answers

B. I think because my equation is 95*t/100, so it would make sense because 95/100=0.95, and 0.95t=to the answer B.

I hope this helped you!

Shilpa bought 30 T-shirt at a clothing store. 20% of the t-shirt were blue and 1/2 of the t-shirts were black. Howmany of the t-shirts were neither black nor white?

Answers

The number of T-shirt bought by Shilpa from a clothing store = 30
Percentage of T-shirt that were blue = 20%
Then Number of T-shirt that were blue in color = (20/100) * 30
   = 2 * 3
   = 6
Number of T-shirts that were black in color = (1/2) * 30
   = 15
Then
The total number of T-shirts that were black and blue = (15 + 6)
   = 21
Then
The total number of T-shirts that were neither black nor blue = 30 - 21
   = 9
So the number of T-shirts that were neither black nor blue was 9.

The mass of a moon rock is 3.5 kilograms.what is the mass of the moon rock in grams