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Troyanec [42]
3 years ago
12

the sum of three and a number is added to twenty four translate into an algebraic expression then simplify

Mathematics
2 answers:
asambeis [7]3 years ago
3 0
(3 + n) + 24
27 + n or n + 27
Mamont248 [21]3 years ago
3 0
"the sum of three and a number," expressed algebraically, is "3+x," where x represents the unknown number.  Adding this to 24 results in 3+x+24.
Can you simplify this?  Note:  You can NOT solve for x.  Just simplify.
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Can someone do this quick! I need the volume!!​
Dovator [93]

Answer:

1125000

Step-by-step explanation:

just multiply them all

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Find the volume of Figure B.
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ben is filling up his cylinder shaped pool up to 80% of its capacity . If his is 6 feet deep and has a diameter of 18 feet, how
Nady [450]

Answer:

You will put 1220.83ft³ of water in the pool

Step-by-step explanation:

First of all we have to calculate the volume of the pool and then calculate 80% of that volume

radius = half of diameter

d = 18ft

r = 18ft / 2 = 9ft

To calculate the volume of a cylinder we have to use the following formula:

v = volume

h = height = 6ft

π = 3.14

r = radius = 9ft

v = (π * r²) * h

we replace with the known values

v = (3.14 * (9ft)²) * 6ft

v = (3.14 * 81ft²) * 6ft

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If it is filled to 80% then we have to multiply the volume by 80/100

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8 0
3 years ago
144 miles per hours into feet per second
leonid [27]
211.2
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5 0
3 years ago
Could i have some really really quick help?
nata0808 [166]

Answer:

1125 m

Step-by-step explanation:

Given equation:

h=-5t^2+150t

where:

  • h = height (in metres)
  • t = time (in seconds)

<u>Method 1</u>

Rewrite the equation in vertex form by completing the square:

h=-5t^2+150t

\implies h=-5t^2+150t-1125+1125

\implies h=-5(t^2-30t+225)+1125

\implies h=-5(t-15)^2+1125

The vertex (15, 1125) is the turning point of the parabola (minimum or maximum point).  As the leading coefficient of the given equation is negative, the parabola opens downward, and so vertex is the maximum point.  Therefore, the maximum height is the y-value of the vertex: 1125 metres.

<u>Method 2</u>

Differentiate the function:

\implies \dfrac{dh}{dt}=-10t+150

Set it to zero and solve for t:

\implies -10t+150=0

\implies 10t=150

\implies t=15

Input found value of t into the original function and solve for h:

\implies -5(15)^2+150(15)=1125

Therefore, the maximum height is 1125 metres.

8 0
2 years ago
Read 2 more answers
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