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AfilCa [17]
2 years ago
9

A flashlight is projecting a triangle onto a wall, as shown below.

Mathematics
1 answer:
zavuch27 [327]2 years ago
6 0

Answer:

Hence the correct option is 3rd option. 40

Step-by-step explanation:

If two figures are similar, then the ratio of the corresponding sides is proportional.

\frac{15}{30} =\frac{20}{n} \\\\n=\frac{30 \times 20}{15} \\\\n= 40.

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Elodia [21]
Hi there,

I think the answer is

14

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8 0
3 years ago
Rearrange the formula V = 1 3 πr2h for h. A) h = 3V πr2 B) h = V 3πr2 C) h = 3πr2 V D) h = πr2 3V
stiks02 [169]

Answer:

Option a) h=\frac{3V}{\pi r^{2} }

Step-by-step explanation:

The given formula seems to represent the volume of right circular cone. The correct formula is:

V=\frac{1}{3} \pi r^{2} h

We have to rearrange the formula for h. This means we have to move h on one side of the formula and all the other variables and constants on the other side of the equation. This can be done as shown below:

V=\frac{1}{3} \pi r^{2} h\\\\3V=\pi r^{2} h\\\\h=\frac{3V}{\pi r^{2} }

5 0
3 years ago
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N76 [4]

Answer:

x=5

Step-by-step explanation:

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x=\frac{1\times30}{6}

x=\frac{30}{6}

x=5

6 0
3 years ago
Anyone knows this I'm confused​
Hitman42 [59]

Answer: i dont see a thing yur thing isnt

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Step-by-step explanation:

6 0
3 years ago
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skad [1K]

Answer:

A variable is a quantity that may change within the context of a mathematical problem or experiment. ... The letters x, y, and z are common generic symbols used for variables. Sometimes, we will choose a letter that reminds us of the quantity it represents, such as t for time, v for voltage, or b for bacteria.

Step-by-step explanation:

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