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3 years ago

What is the step by step for finding the volume in this prism

Mathematics

1 answer:

madreJ [45]3 years ago

6 0

V = A*h / 3

A = 5*12 / 2 = 60 / 2 = 30 m²

h = 9 m

________________

V = 30*9 / 3

V = 10*9

V = 90 m³

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Sam runs a lemonade stand. One day he collected $6.55 in nickels and dimes. The number of nickels was 6 more than half the numbe

vampirchik [111]

Answer:

Total number of dimes collected = 50

Step-by-step explanation:

Let the number of dimes collected = d

And the number of nickels collected = n

On day collection in nickels and dimes = $6.55

Since, 1 nickel = $0.05

Therefore, 'n' nickels = 0.05n

And 1 dimes = $0.10

Value of 'd' dimes = $0.10d

Total value of 'n' nickels and 'd' dimes = $(0.05n + 0.10d)

So the equation for the total value will be,

0.05n + 0.10d = 6.55

5n + 10d = 655 --------(1)

Number of nickels was 6 more than half the number of dimes.

n = $\frac{d}{2}$ + 6 ------(2)

By substituting the value 'n' from equation (2) to equation (1)

5( $\frac{d}{2}$ + 6) + 10d = 655

$\frac{5d}{2}$ + 30 + 10d = 655

$\frac{25d}{2}$ = 655 - 30

25d = 625 × 2

d = $\frac{1250}{25}$

d = 50

Therefore, total number of dimes collected = 50

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3 years ago

What is the unit rate of 72 ounces in 6 steaks?

ziro4ka [17]

12 ounces to 1 steak

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3 years ago

Solve 38 x 21 using an area<br> Solve<br> model<br> model.

damaskus [11]

it should be 798

Step-by-step explanation:

just multiply

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Y_Kistochka [10]

Cos can not be greater than 1 therefore it’s not possible

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4 years ago

How do you find the area of a circle with only the height

ASHA 777 [7]

Answer:

in geometry, a circle is the curve that forms the boundary of a disc. Curves, like lines, have zero width and thus zero area.

For some reason, this very simple thing doesn’t seem to be taught much - I certainly recall my maths teachers referring to the area of a circle instead of the area of a disc!

As you haven’t mentioned the radius of the circle, let us consider a generic circle of radius r, thus we want to find the height of a triangle whose area is πr².

Step-by-step explanation:

8 0

3 years ago