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3 years ago

The Franz family paid 15.70 $5 for 3 movie tickets how much would they have paid for 12 tickets

Mathematics

1 answer:

gogolik [260]3 years ago

8 0

$20
I got it by dividing 12 tickets÷3 which equals 4. Then I multiplies 4×$5= $20

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How to find height of a triangular prism where length is 9, width is 3.5, and height is unknown. Volume is 50.4, and explain ans

riadik2000 [5.3K]

*The width in your question - I assumed it is refers to the height of the triangle base.

Volume of a triangle prism = base area x height

The base is a triangle:
Volume of a triangle prism = (1/2 x base x height₁) x height₂

Plug in the values and solve for height₂:

50.4 = (1/2 x 9 x 3.5) x height

50.4 = 15.75 x height

height = 50.4 ÷ 15.75

height = 3.2 units

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Answer: Height = 3.2 units
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3 years ago

A 13-foot ladder is placed against a vertical wall of a building with the bottom of the ladder standing on level ground 7 feet f

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Step-by-step explanation

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3 years ago

Davina is drawing a net of a rectangular pyramid. How many rectangles should she draw?

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3 years ago

Solve the following proportion4 x— = —7 28x=

Ierofanga [76]

Answer:

x = 16

Explanations:

The given rquation is:

$\frac{4}{7}=\text{ }\frac{x}{28}$

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$28\text{ x 4 = 7 }\times\text{ x}$ 112 = 7x

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1 year ago

3x - 4y = -16<br> 2x - 4y = -8<br> what is x and y

FinnZ [79.3K]

Answer:

x = -8 , y = -2

Step-by-step explanation:

Solve the following system:

{3 x - 4 y = -16 | (equation 1)

2 x - 4 y = -8 | (equation 2)

Subtract 2/3 × (equation 1) from equation 2:

{3 x - 4 y = -16 | (equation 1)

0 x - (4 y)/3 = 8/3 | (equation 2)

Multiply equation 2 by 3/4:

{3 x - 4 y = -16 | (equation 1)

0 x - y = 2 | (equation 2)

Multiply equation 2 by -1:

{3 x - 4 y = -16 | (equation 1)

0 x+y = -2 | (equation 2)

Add 4 × (equation 2) to equation 1:

{3 x+0 y = -24 | (equation 1)

0 x+y = -2 | (equation 2)

Divide equation 1 by 3:

{x+0 y = -8 | (equation 1)

0 x+y = -2 | (equation 2)

Collect results:

Answer: {x = -8 , y = -2

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3 years ago