3 years ago

Select the conic section that represents the equation. x2 - y2 = 16

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

$x^2-y^2=16$ represents a hyperbola.

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An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.

katrin [286]

Answer:

$20,475\ ways$

Step-by-step explanation:

we know that

<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

$n=28\\r=4$

substitute

$C(28,4)=\frac{28!}{4!(28-4)!}\\\\C(28,4)=\frac{28!}{4!(24)!}$

simplify

$C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}$

$C(28,4)=\frac{(28)(27)(26)(25)}{(4)(3)(2)(1)}$

$C(28,4)=20,475\ ways$

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3 years ago

99 POINTS! If the area of the figure is 16 square centimeters, what is the height of the triangle?

erastovalidia [21]

Answer:

The height of the triangle is 3.2 cm.

Step-by-step explanation:

The area of the triangle = $16 cm^2$

Base of the triangle = 10 cm

Height of the triangle = h cm

Area of the triangle = $\frac{1}{2}\times Base\times height$

$16 cm^2=\frac{1}{2}\times 10 cm \times h$

h = 3.2 cm

The height of the triangle is 3.2 cm.

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2 years ago

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SOMEONE PLS HELP MEE ASAPPP!!

Effectus [21]

I think you would just add 2/3 and 1/3 to get 1 full can of paint. If not sorry.

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3 years ago

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Write an ex expression for the product of 11 and w

klemol [59]

Answer:

11w

Step-by-step explanation:

product means multiply

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A sports company conducted a road test of a new model of a geared bike. The test rider cycled (3x − 2) miles on a flat road, (x2

Arisa [49]

Answer:

start with what you know

Step-by-step explanation:

makes you smarter

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2 years ago