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valkas [14]
4 years ago
15

YOU HAVE TO BE SURE ABOUT YOUR ANSWER BEFORE YOU POST! A slice is made parallel to the base of a right rectangular pyramid, as s

hown.
What is the area of the resulting two-dimensional cross-section?

Enter your answer in the box.

Mathematics
2 answers:
rodikova [14]4 years ago
5 0
The area of the cross section has a length of 3.5 mm, and width of 2 mm, as given in the diagram.

Therefore the area of the section is 3.5*2=7 mm^2, using the area of rectangle formula.

SVEN [57.7K]4 years ago
4 0

Answer:

7\ mm^{2}

Step-by-step explanation:

we know that

The area of the resulting two-dimensional cross-section is the area of a rectangle

The area of a rectangle is equal to

A=bh

we have

b=3.5\ mm

h=2\ mm

substitute

A=3.5*2=7\ mm^{2}


You might be interested in
What is the focus of the parabola?
ankoles [38]
We have that
y = −14x² − 2x − 2

First, we need to transform the equation into its vertex form 
(x - h)²=4p(y - k)
<span>Group terms that contain the same variable
</span>y = (−14x² − 2x )− 2
<span>Factor the leading coefficient 
</span>y = -14*(x² + (2/14)x )− 2
<span>Complete the square  Remember to balance the equation 
</span>y = -14*(x² + (2/14)x +(2/28)²-(2/28)²)− 2
y = -14*(x² + (2/14)x +(2/28)²)− 2+14*(2/28)²
y = -14*(x² + (2/14)x +(2/28)²)− 2+56/784

Rewrite as perfect squares

y = -14*(x+(2/28))²− 1512/784------>(x+1/14)²=(-1/14)*(y+1512/784)

4p=-1/14------> p=-1/56

This is a vertical parabola and its focus <span>(h, k + p)</span>

<span>h=-1/14</span>

<span>k+p=(-1512/784)+(-1/56)----> (-1512-14)/784)----> -1526/784</span>

<span>
</span>

<span>the focus is</span>

<span>(-1/14,-1526/784)</span>



7 0
4 years ago
Here it is sry and thx!
masya89 [10]

Answer:

B

Step-by-step explanation:

hard to explain xD

3 0
3 years ago
Read 2 more answers
Can someone pls find the answer ASAP!!!!
Cerrena [4.2K]
It should be y=x Good luck!
7 0
3 years ago
Read 2 more answers
Hi I really need help with this
irga5000 [103]

Answer:

t - 4 ≤ 4

Step-by-step explanation:

Hi I really need help with this

The number line represents t ≤ 8

Since the line is on 8 and moving towards the negative part of the number like (less than)

The equivalent equation will be;

t - 4 ≤ 4

Ads 4 to both sides

t-4+4≤4+4

t ≤ 8

Since the solution is similar to the expression above hence t - 4 ≤ 4 is correct

4 0
3 years ago
Please help with these few questions
Tasya [4]

Answer:

Please help with these few questions

6. Use the picture to find the following angle measures.

9. Write a two -column proof for the following :

Given: angle1 and angle2 form a linear pair and m angle1= 2(m angle2)

Prove : m angle2 =60

10. Write a two-column proof for the following:

Given : AB = CD , AB = 4x + 1, and CD = 6x - 13

Prove: x = 7

Step-by-step explanation:

Please help with these few questions

6. Use the picture to find the following angle measures.

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Given: angle1 and angle2 form a linear pair and m angle1= 2(m angle2)

Prove : m angle2 =60

10. Write a two-column proof for the following:

Given : AB = CD , AB = 4x + 1, and CD = 6x - 13

Prove: x = 7

5 0
3 years ago
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