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Kazeer [188]
3 years ago
7

Please help me!!!!! :)

Mathematics
1 answer:
dsp733 years ago
5 0
To find the volume,we would first need to find the height of square pyramid, by it's base edge and slant height using Pythagoras theorem:

{height }^{2}  = {13}^{2}  -  {10}^{2}  \\ {height }^{2}  = 69 \\ height =   \sqrt{69}

We can then use the pyramid formula to find the volume:
base \:  \times  \: height \:  \times  \frac{1}{3}

In this case,the volume will be:

10×_/69×1/3
=27.68874...
≈27.7 units^3

Hope it helps!
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What is an equation of the line that passes through the point (-5, -6) and is
Vikentia [17]

Answer: y= 2x +4

Step-by-step explanation:

1. To be able to write the equation of the line, you want to be able to find the slope first. To do so, rearrange the given equation x+2y=2 into slope-intercept form, which is y=mx+b

First subtract x from both side, which will give us 2y=2-x. Rearrange this to get 2y= -x+2. Then, divide both sides by 2. This will give us y= -1/2x+1

2. Now that you have the equation, look for the slope in the new equation; this will be the m value. In this case, the slope is -1/2. Since we are looking for a line that is perpendicular, we have to change the slope so that it is the opposite reciprocal. The opposite reciprocal of -1/2 is 2, so the slope of the equation we want to find is 2.

3. Next, all we have to do is plug the given ordered pair (-5, -6) and the slope that we found (m=2) into the point-slope equation, which is y-y_{1} = m(x-x_{1} )

That will give us:

y+6 = 2(x+5)

4. Now, solve this equation.

y+6 = 2(x+5)  --> distribute the 2 inside the parentheses

y+6 = 2x + 10  --> subtract 6 from both sides

y= 2x +4

4 0
3 years ago
Find three consecutive odd integers such that the sum of the largest and twice the smallest is 25. If x represents the smallest
Murrr4er [49]
1. x
2. x + 2
3. x + 4

x + 4 + 2x = 25. Second option is the answer.


Combine like terms
3x + 4 = 25
Subtract 4 from both sides
3x = 21
Divide both sides by 3
x = 7
5 0
3 years ago
Evaluate 53 – 2m for m = 3.
irakobra [83]
53 - 2(3)
53 - 6
47

Hope this helps!
3 0
3 years ago
Read 2 more answers
Please help will mark brainiest!!!!!!!!!
Lorico [155]

1. Rational. It is non-terminating but repeating.

2. Irrational. It is non-terminating, non-repeating

3. Irrational. π is irrational

4. Rational. √49 is 7

5. Irrational. 22 is not a square.

4 0
3 years ago
Identify the center and radius of the circle with the following equation:<br> 〖(x+3)〗^2+〖(y-1)〗^2=81
kirill115 [55]

Answer:

centre (3 ,-1) , r=9

Explanation:

The standard form of the equation of a circle is.

∣

∣

∣

∣

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

(

x

−

a

)

2

+

(

y

−

b

)

2

=

r

2

a

a

∣

∣

−−−−−−−−−−−−−−−−−−−−−−−−−

where (a,b) are the coordinates of the center and r , the radius.

For the given equation: a = 3 , b = -1 and r = 9

hence centre = (3 ,-1) and radius = 9

Step-by-step explanation:

4 0
2 years ago
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