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viva [34]
2 years ago
15

Find the area of ​​the base of the triangular base pyramid.

Mathematics
1 answer:
OleMash [197]2 years ago
3 0

Answer:

31.5 inches

Step-by-step explanation:

A = 1/2 h l

A= 1/2 (7) (9)

A = 1/2 (63)

A = 31.5 inches

h=height

l=length of base

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Multiply the fractions:<br> 2 / 5 ∙ 3 / 4.
Bingel [31]

Answer:

\frac{3}{10}

Step-by-step explanation:

\frac{2}{5} * \frac{3}{4} can be solved by just multiplying the numerators together and the denominators together

2 * 3 = 6 and 5 * 4 = 20 so the answer would be \frac{6}{20}

This simplifies to \frac{3}{10}

4 0
3 years ago
Please help I’ll give brainliest!!!
solong [7]

Answer:

the 3 one

Step-by-step explanation:

3 0
2 years ago
Please help with finding the measure, pic attached
vekshin1

Answer:

B. 50°

Step-by-step explanation:

∠PLM+ ∠PML =60+70 =130°

So, ∠MPL = 180°-130°=50°

According to the opposite angle theorem,

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7 0
3 years ago
There are 26 students in Jenna's class. Jenna brought in 16 cupcakes. Which equation can be used to find the number of cupcakes
Olin [163]

Answer:

Step-by-step explanation:

16+n=26

26-16=n

4 0
3 years ago
Read 2 more answers
Worth 30 points
Ivenika [448]

The answer to question 34:

Let 'x' = pounds of gravel. The ratio of mulch to gravel is given 2 1/4 | 1 1/3. Which equals 9/4 | 4/3 = 27/16.



So the total gravel and much is equal to x + 27/16x = 172  


Solving for 'x'



43/16 x = 172    


x = 172 (16/43) = 64 pounds of gravel           Mulch = 27/16x = 64 (27/16)= 108 pounds

The answer to question 35:

A.) 1,080 beats per minute at rest and 1,500 beats per minute while running.

B.) 4,500 (while running) - 3,240 (at rest) = 1,260 more beats while running than at rest.

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3 years ago
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