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miss Akunina [59]
3 years ago
10

an actor is 6ft tall. on a billboard the actors height in the picture is 16.8. what is the scale factor

Mathematics
1 answer:
pychu [463]3 years ago
8 0

Answer:

Scale Factor (small to large) is 2.8

Step-by-step explanation:

The scale factor is "how many times" it is larger.

If we have an actual quantity be "a" and the enlarged quantity be "b" and we let the scale factor be "k", we can write the equation shown below:

ka=b

So, we basically mean "what number" (scale factor) should be multiply with the actual value (smaller one) to get the enlarged value (bigger one). From the problem, we can write:

\k(6)=16.8

Now we find "k", the scale factor:

k(6)=16.8\\k=\frac{16.8}{6}\\k=2.8

Hence, the scale factor is 2.8

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A cylinder has a base radius of 4m and a height of 6m. What is its volume in cubic m,
BlackZzzverrR [31]

Answer:

301.4

Step-by-step explanation:

Volume of a cylinder=pi*r^{2}*h.  Assuming you want 3.14 for pi, we can substitue the 4m for r, 6 for h and 3.14 for pi.

V=3.14*4^{2}*6

V=301.44

Since you want to round to nearest tenths, the answer is 301.4

8 0
3 years ago
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Sphinxa [80]

Answer:

9 teaspoons of cocoa

Step-by-step explanation:

3*3=9

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2 years ago
For the given equation, find the values of a, b, and c, determine the direction in which
Shkiper50 [21]

Answer: Table D

Step-by-step explanation:

The coefficient of x^2 is -9, the coefficient of x is 7, and the constant is 0, so we know a = -9, b = 7, c = 0.

  • This eliminates tables A, B, and C.

Thus, table D is the answer.

7 0
2 years ago
5b - 5 - 126 - 7<br> I need steps please and thank you
MA_775_DIABLO [31]

Answer:

5b - 138

Step-by-step explanation:

Alright let's break it down.

First, you can see that each constant (5,126,7) have negatives in front of them. SO you are going to subtract each one of them.

When subtracting negatives it's basically just adding them together. How to do it is simply adding:

5 + 126 + 7

Then you get 138.

BUT, it was negative numbers. So it's actually -138.

Then bring back the 5b and your answer is:

5b - 138

Mark brainliest if you can :D

6 0
3 years ago
Read 2 more answers
Evaluate: 792.6 ÷ 10-4<br><br> remember it is not 10-4. it is 10 to the -4 power
jarptica [38.1K]

Answer:

792600

Step-by-step explanation:

For this question you can add four zeroes to the back of 792.6 andmove the decimal to get you the answer, hope this helps

It's also good to know that if the exponent was positive the answer would be 0.07926

3 0
3 years ago
Read 2 more answers
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