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3 years ago

Ummm help please becuase i don't know the answer so plese help

Mathematics

2 answers:

Bezzdna [24]3 years ago

8 0

It goes 2, 4, 10, 20 euros
(1,2)
(2,4)
(5,10)
(10,20)

Sveta_85 [38]3 years ago

5 0

It needs 20 characters to submit lol

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A fish tank has a base area of 45cm2 and is filled with water to a depth of 12cm.If the height of the tank is 25cm, how much wat

stepladder [879]

Answer:

Step-by-step explanation:

v = 45 * 12

v = 540cm³

To fill the tank,

v = 45 * 25

v = 1,125cm³

I'm not quite sure what the exact question is so i'll answer both;

1.) The volume of water required to fill the tank from empty = 1,125cm³

2.) The volume of water required to fill the tank from it's current level is

1,125cm³ - 540cm³ = 585cm³

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3 years ago

Which would be a good estimate for the tax on $97.95 if the tax is 9.5%?$12$10.50$10$8.50

mamaluj [8]

First you need to turn 9.5% into a decimal so you need to move the dot " . " over to the left two times 9.5 ---> .95 ---> .095
Now that you turned the % into a decimal all thats left to do is multiply .095 by $97.95
$97.95 * .095= $9.30525 or $9.31
So the tax is $91.31

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3 years ago

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Write 1.375x10-6 in standard form

liq [111]

1 + .3 +.07+.005 x 10 - 6

7 0

3 years ago

a computer diagnostic program has completed 2/3 of it's analysis. if the analysis requires 1 second to complete 1/6 of the analy

Svet_ta [14]

The computer will finish in 2 seconds

2/3 = 4/6
1 = 6/6
6/6 - 4/6 = 2/6

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3 years ago

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Which pairs of variables have a linear relationship? Select

Neko [114]

Answer:

Side length and perimeter of 1 face

Area of 1 face and surface area

Step-by-step explanation:

Suppose you are given cube with side length of x units.

Then

Side length = x units

Perimeter = 4x units

Area of 1 face $=x^2$ square units

Surface area $=6x^2$ square units

Volume $=x^3$ cubic units

A linear relationship is any equation that, when graphed, gives you a straight line.

Consider all options:

A. Side length and perimeter of 1 face is a linear relationship, because the graph of the function $y=kx$ is a straight line.

B. Perimeter of 1 face and area of 1 face is not a linear relationship, because the graph of this relationship is a quadratic parabola with equation $y=kx^2$ .

C. Surface area and volume is not a linear relationship, because the graph of this relationship is a curve with equation $y=kx^{\frac{3}{2}}$ .

D. Area of 1 face and surface area is a linear relationship, because the graph of the function $y=kx$ is a straight line.

E. Side length and volume is not a linear relationship, because the graph of this relationship is a cubic parabola with equation $y=kx^3$ .

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3 years ago

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