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2 years ago

A plane cuts a pyramid as shown in the diagram. What is the shape of the cross section?

Mathematics

2 answers:

Natasha2012 [34]2 years ago

9 0

Answer

The shape of the cross section is Hexagon.

Option A is the correct answer.

Explanation

The given pyramid is pentagonal pyramid. The cross section of pentagonal pyramid is a pentagon.

But in the given figure a plane cuts a pyramid in a different way. After cutting the shape of the cross section will have six sides.

So it will be a hexagon. All sides are not equal so it is not a regular hexagon.

forsale [732]2 years ago

5 0

The answer is a hexagon
Hope this helped

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Un tren pasa delante de un poste en 10 s y cruza un puente en 15 s. ¿En cuánto tiempo el tren cruzaría el puente si este tuviera

emmainna [20.7K]

Answer:

45 segundos.

Step-by-step explanation:

Un tren pasa por delante de un puente en 15 segundos; si el puente tuviera el doble de longitud, le tomaría el doble de tiempo en cruzarlo, si tuviera el triple de longitud, le tomaría el triple de tiempo y así sucesivamente.

En este caso, la pregunta es ¿En cuánto tiempo cruzaría el puente si tuviera el triple de su longitud? Por lo tanto, si cruza el puente en 15 segundos, teniendo el triple de longitud le tomaría 3 (15) = 45 segundos en cruzarlo.

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2 years ago

Lilly and Alex went to a Mexican restaurant. Lilly paid $9 for 2 tacos and 3 enchiladas, and Alex paid $12.50 for 3 tacos and 4

Tema [17]

Let's call Tacos t and Enchiladas e.
Lily paid $9 for 2t and 3e
Alex paid $12.50 for 3t and 4e.
Thus the equations would be.
$2t + 3e = 9.00$
$3t + 4e = 12.50$

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2 years ago

Jala put $600 in an interest bearing account with a annual compound interest rate of 5%. Jala determined that after seven years,

Arturiano [62]

The answer is 14.4 years

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2 years ago

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a piggy bank containing only quarters has a mass of 850 grams when empty and 7822 grams when filled if a quarter weighs 5.6 gram

kap26 [50]

I thinks the answer is 12.45

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2 years ago

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Matthew has recorded the amount he's saved every three months. Months Savings 3 $1,800 6 $3,600 9 $5,400 Christopher saves $550

sammy [17]

The correct answer is:

Matthew's rate is higher by $50 per month.

Explanation:

We know that Christopher's rate is $550 per month.

To find Matthew's rate, we will treat the data we have as ordered pairs:
(3, 1800)
(6, 3600)
(9, 5400)

We find the slope of the line between these points. The formula for slope is:

$m=\frac{y_2-y_1}{x_2-x_1}$

Using the first two points, we have:
$m=\frac{3600-1800}{6-3}=\frac{1800}{3}=600$

To verify Matthew saves the same amount each month, we will find the slope between the second two points and make sure they're the same:

$m=\frac{5400-3600}{9-6}=\frac{1800}{3}=600$

Matthew's rate is $600 per month.
This is higher than Christopher's by 600-550=$50 per month.

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2 years ago

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