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Alexxx [7]
3 years ago
13

The sloping side of a cone is 10cm and the height is 8cm. find the radius of the base

Mathematics
1 answer:
amid [387]3 years ago
3 0
You can use Pythagoras theorem to find the radius.

r^2 + 8^2 = 10^2

r^2 + 64 = 100

r^2 = 36

r = 6
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Evaluate the function.<br><br> f(x) = x² - 4x – 12<br><br> Find f(-7)
pashok25 [27]

Answer:

Your answer is 65

Step-by-step explanation:

f(x) = x² - 4x - 12

f(-7) = (-7)² - 4 x (-7) - 12

= 49 - (-28) - 12

= 49 + 28 - 12

= 77 - 12

= <u>65</u>

7 0
1 year ago
WHO EVER ANSWERS WILL GET BRAINLY!!!!
Orlov [11]

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4480

Step-by-step explanation:

I did it

4 0
3 years ago
Please help I’m desperate
JulijaS [17]

Answer:

#2 is 512mm³

#3 is 120m³

Step-by-step explanation:

#2

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4 0
3 years ago
A kite is flying 70 feet above the ground and is attached to a string tied to a stake on the ground. The angle of elevation form
frozen [14]
If you draw a diagram of this, your given values of the resulting triangle give you the sides opposite and adjacent of the angle. The formula that uses these sides is tangent.

The tangent of an angle is equal to the ratio of the opposite side over the other non-hypotenuse side (adjacent).

Therefore;

tan(40)=70/x
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x=70/0.83909963117
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3 0
3 years ago
I need help 2t&lt;-4 or 7t&gt;49
grin007 [14]
2t<-4 divide both sides by 2

t<-2

...

7t>49  divide both sides by 7

t>7

So t=(-oo,-2) and t=(7,+oo)

t=(-oo,-2)U(7,+oo)
8 0
3 years ago
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