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Semmy [17]
3 years ago
5

I can’t seem to figure this out really would like some help.

Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0
The domain is the x values; the range is the y values.

Domain: -6, 8, -7, -9
Range: 0, -6, -7, 5.
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There are many square prisms with volume 125 in. Let w represent the side length of the square base and h represent the height i
iogann1982 [59]

Answer:

5in by 5in by 5in

Step-by-step explanation:

We are not told wat to find but we can as well find the dimension of the prism that will minimize its surface area.

Given

Volume = 125in³

Formula

V = w²h ..... 1

S = 2w²+4wh ..... 2

w is the side length of the square base

h is the height of the prism

125 = w²h

h = 125/w² ..... 3

Substitute eqn 3 into 2 as shown

S = 2w²+4wh

S = 2w²+4w(125/w²)

S = 2w²+500/w

To minimize the surface area, dS/dw = 0

dS/dw =4w-500/w²

0= 4w-500/w²

Multiply through by w²

0 = 4w³-500

-4w³ = -500

w³ = 500/4

w³ =125

w = cuberoot(125)

w = 5in

Get the height

125 =w²h

125 = 25h

h = 125/25

h = 5in

Hence the dimension of the prism is 5in by 5in by 5in

5 0
3 years ago
7x = -84<br> Solve the equation
4vir4ik [10]

Answer:x = -12

Step-by-step explanation:<!>BRAINLIEST APPERICATED<!>

5 0
3 years ago
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Find the height of the pole if the shadow of a boy 5 ft. 6 in. tall is 2 ft. and the shadow of the pole is 2 yards.
oee [108]
2*2-1/3 yards= 4-2/ yards =14 feet.
THE SHADOW IS HALF THE HEIGHT OF OBJECT, SINCE A 6 FEET BOY CASTS A 3 FEET . SO THE POLE WILL BE TWICE THE LENGTH OF ITS SHADOW. try this
8 0
3 years ago
Carlos rented a truck for one day. There was a base fee of $19.99, and there was an additional charge of 86 cents for each mile
NeX [460]

Answer: 211 miles

Step-by-step explanation: An equation for this could be:

base fee + additional charge (miles driven) = total charge

19.99 + 0.86(x) = 201.45

0.86(x) = 201.45 - 19.99

0.86(x) = 181.46

x = \frac{181.46}{0.86} = <em>211 miles</em>

6 0
2 years ago
$420 for 15 tickets = ?
stellarik [79]
$420 for 15 tickets

Divide both numbers by 15

$28 for 1 ticket
5 0
3 years ago
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