Ask question

Ask question

All categories

3 years ago

14

Twenty four girls are trying out for 12 spots on the cheerleading team. If you want to determine how many different groups of 12

girls can be created, would you use a permutations or a combination?

2 answers:

JulijaS [17]3 years ago

8 0

The answer would be combination

natita [175]3 years ago

7 0

the answer is combination.

You might be interested in

What is the length of an dog treat?

katovenus [111]

It depend on what kind of dog for treat

8 0

4 years ago

WILL MARK BRAINLIEST<br><br>Which equation can be used to find the volume of this solid?<br>

AURORKA [14]

V=(7*6)/2 *8 the third option

you multiply the height with the base of the triangle and you get the area of the base of the prism so you multiply it with the height of the prism to get the volume

5 0

3 years ago

It is given that m=3x+1 and y= (5/1+m^2).<br>Find dy/dx in terms of x.<br>

DiKsa [7]

Answer:

${ \underline{ \bf{ \frac{dy}{dx} = - \frac{30m}{ {(1 + {m}^{2}) }^{2} } }}}$

Step-by-step explanation:

${ \bf{m = 3x + 1}} \\ { \sf{ \frac{dm}{dx} = 3 }} \\ \\ { \bf{y = \frac{5}{1 + {m}^{2} } }} \\ \\ { \tt{ \frac{dy}{dm} = \frac{ - 10m}{ {(1 + {m}^{2} )}^{2} } }}$

Using chain rule:

${ \boxed{ \bf{ \frac{dy}{dx} = \frac{dy}{dm}. \frac{dm}{dx} }}}$

${ \sf{ \frac{dy}{dx} = - \frac{10m}{ {(1 + {m}^{2}) }^{2} } \times 3}} \\ \\ { \sf{ \frac{dy}{dx} = - \frac{30m}{ {(1 + {m}^{2}) }^{2} } }}$

${ \underline{ \sf{ \blue{christ \:† \: alone }}}}$

8 0

3 years ago

Read 2 more answers

Write an equation of a line in slope intercept form (y = mx + b) going through the points

Alexeev081 [22]

Answer:

y = - $\frac{1}{2}$ x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, 0) and (x₂, y₂ ) = (4, - 3)

m = $\frac{-3-0}{4+2}$ = $\frac{-3}{6}$ = - $\frac{1}{2}$ , thus

y = - $\frac{1}{2}$ x + b ← is the partial equation

To find b substitute either of the 2 points into the partial equation

Using (- 2, 0 ), then

0 = 1 + b ⇒ b = 0 - 1 = - 1

y = - $\frac{1}{2}$ x - 1 ← in slope- intercept form

5 0

4 years ago

Please someone help me with this

den301095 [7]

By the rules of secants, 50° is half the sum of 20° and x.
50° = (20° + x)/2
100° = 20° + x
80° = x

6 0

4 years ago