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3 years ago

11

What is the surface area of a triangular pyramid if each face has an area of 50 cm2?

1 answer:

DIA [1.3K]3 years ago

7 0

I think the answer would be A.150

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Solve for the system of equations put them in order

erastova [34]

Answer:

1. Substitution/Elimination 2. Solve For The Variable 3. Distributive Property 4. Isolate the Variable 5. Combine Like Terms

Step-by-step explanation:

youre welcome

4 0

2 years ago

Whats the answer and how do you work it out?<br>5/12-1/4

Sergio [31]

Answer:

$\frac{5}{12} - \frac{1}{4} \frac{ \times }{ \times } \frac{3}{ 3 } \\ \frac{5}{12} - \frac{3}{12} \\ = \frac{2}{12} = \frac{1}{6}$

4 0

3 years ago

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Misty must pack 365 candles into 15 boxes. Each box must contain an equal number of candles. How many candles does she have left

s2008m [1.1K]

15/365= 24.3. so she has 24.3 candles left.

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3 years ago

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Katrina's mother is 2 inches shorter than her father, Katrina is 2 inches shorter than her mother, and Katrina's brother is 2 in

asambeis [7]

The answer would be B. Let's say Katrina's father was 10 inches tall. Subtract 2 inches to measure Katrina's mother's height, subtract another 2 inches to measure Katrina's height. Finally, subtract another 2 inches to measure Katrina's brother's height. Add all the negative 2s together in order to get -6. That is the difference between Katrina's father's height and her brother's height.

6 0

3 years ago

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12x+7<-11 or 5x-8>40

DaniilM [7]

Answer:

A

Step-by-step explanation:

Given

12x + 7 < - 11 or 5x - 8 > 40

Solve each inequality

12x + 7 < - 11 ( subtract 7 from both sides )

12x < - 18 ( divide both sides by 12 )

x < - $\frac{3}{2}$

OR

5x - 8 > 40 ( add 8 to both sides )

5x > 48 ( divide both sides by 5 )

x > $\frac{48}{5}$

Solution is

x < - $\frac{3}{2}$ or x > $\frac{48}{5}$ → A

6 0

3 years ago