The answer for the question shown above is: The shape of the cross section is a triangle.

The explanation is shown below:

Imagine that you have a plane that intersect the rectangular pyramid and it passes through its vertex and it is perpendicular to the base of the pyramid, when you look the cut, you will see a triangle as a cross section.

4 0

3 years ago

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Find the value of −12 + 8 −(−9). Question 20 options: −13 −5 13 5

timama [110]

Answer:

D) 5

Step-by-step explanation:

-12 + 8 + 9 = 5

8 0

3 years ago

Suppose a 5-digit number is formed using the digits from 1 to 9 (without replacement). What is the probability that it will be a

zhuklara [117]

Answer:

First take 5 empty. Digits.
The no of digits are 9 (1-9).
The last no must be even so . The total no of even no’s . Are 4 (2,4,6,8)
The probability of last digit is 4
There are remaing 8 digits so. Place them where. U required. The probability are. 8, 7,6,5(no reputations)
The final answer is 4*8*7*6*5=6720 ways

6 0

2 years ago

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(x + 3)2 - 13 = 9x adratic equa- е ots​

(x + 3)2 - 13 = 9x adratic equa- е ots