3 years ago

A. The length side b equals the length of side c

Mathematics

1 answer:

Ann [662]3 years ago

3 0

Shiii it could be answer c

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Evaluate 9(x + 5y) for x = 2 and y = 5.

Orlov [11]

Answer:

243

Step-by-step explanation:

STEP 1: Evaluate the variables

9(2 + (5)(5))

STEP 2: Then from there you can multiply the equation

18 + 225 = 243

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3 years ago

The volume of a cone is 3rx? cubic units and its height is x units. Which expression represents the radius of the cone's base, i

Marianna [84]

Answer:

It is given that the volume of a cone = $3\pi x^3$ cubic units

Volume of cone with radius 'r' and height 'h' = $\frac{1}{3}\pi r^2h$

Equating the given volumes, we get

$3\pi x^3=\frac{1}{3}\pi r^2h$

$r^2h=3$ × $3x^3$

$r^2h=9 x^3$

It is given that the height is 'x' units.

Therefore, $r^2x=9x^3$

$r^2=9x^2$

Therefore, $r=3 x$

So, the expression ' $3 x$ ' represents the radius of the cone's base in units.

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1 year ago

Im only have 10 minutes please. Is math

alukav5142 [94]

Answer: A
Explanation do Pythagorean theorem and find the third side. Then do adjacent/hypotenuse.

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2 years ago

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Sandra buys stamps that cost $0.65 each. She spends a total of $158.60 on the stamps. To determine how many stamps she buys, she

Mashutka [201]

Answer:

1 Stamp = $0.65

Stamps Bought= $158.60/0.65

=244 Stamps

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2 years ago

Subtract 65 from the product of 20 and 4.

Klio2033 [76]

Answer:

15 is the answer

Step-by-step explanation:

20×4=80

80-65=15

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2 years ago

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