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2 years ago

Find the S.A. of the pyramid,

Mathematics

1 answer:

lisabon 2012 [21]2 years ago

8 0

Answer:

"Surface area of any pyramid = area of base + area of each of the lateral faces.

If the pyramid is a regular pyramid, we can use the formula for the surface area of a regular pyramid."

Hope that helped

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ACTIVITY 1: What a Difference!

arsen [322]

Answer:

1. -2

2.-10

3. 16

4. -29

5. 3

6. 11

7. 3

8. -4

9. 14

10. 25

4 0

3 years ago

Ln x=-3<br> How to solve

Natasha2012 [34]

Answer: x=0.050

Step-by-step explanation:

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2 years ago

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An actor is 6ft tall.On a billboard for a new movie,the actors pictures is enlarged so that his height is 16.8 ft.what is the sc

Darya [45]

Answer:

Scale Factor = 2.8

Step-by-step explanation:

The scale factor is how many times LARGER is the enlarged pic.

We can divide the enlarged pic (16.8) by original (6) to get the scale factor:

Scale Factor = $\frac{16.8}{6}=2.8$

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2 years ago

At a historical landmark, candles are used to simulate an authentic atmosphere. A volunteer is currently putting new candles in

myrzilka [38]

Answer:

Each small candleholder holds 3 candles, and each large one holds 5 candles.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of candles that a small candleholder holds.

y is the number of candles that a large candleholder holds.

24 small candle holders and 3 large candle holders, using a total of 87 candles.

This means that

$24x + 3y = 87$

Simplifying by 3

$8x + y = 29$

$y = 29 - 8x$

14 small candle holders and 7 large candle holders, for a total of 77 candles.

This means that $14x + 7y = 77$

Simplifying by 7

$2x + y = 11$

$y = 11 - 2x$

Since $y = 29 - 8x$

$11 - 2x = 29 - 8x$

$6x = 18$

$x = \frac{18}{6}$

$x = 3$

$y = 29 - 8x = 29 - 8*3 = 29 - 24 = 5$

Each small candleholder holds 3 candles, and each large one holds 5 candles.

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2 years ago

How many numbers are opposite to themselves?

snow_tiger [21]

Answer:

all positive numbers and their negatives are opposites. I suppose you could say infinite and zero are also opposites.

Step-by-step explanation:

5 0

2 years ago

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