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3 years ago

14

At a college, 4/5 of the students take an English class. Of these students, 5/6 Composition. Which fraction of the students at t

he college take Composition?

1 answer:

Alchen [17]3 years ago

3 0

If I’m doing it correctly it’s 2/3 but I haven’t done it in a while

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Select the best answer for the question

kozerog [31]

X=9 this is the answer for question 19

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3 years ago

Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the

nalin [4]

Answer:

$m=4\frac{1}{3}$

Step-by-step explanation:

the equation to this is

$y=4\frac{1}{3}x$

and slop-intercept form is

$y=mx+b$

with m being the slope,

so,

$m=4\frac{1}{3}$

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3 years ago

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find all the solutions of sec theta - 2 =0. It says use "or" as necessary and gives an example of kpi.

swat32

Sec t (theta) - 2 = 0
sec t = 2
1/ cos t = 2
cos t = 1/2
Answer:
t = π / 3 + 2 k π , or : t = 5 π / 3 + 2 kπ,
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3 years ago

Six sophomores and 14 freshmen are competing for two alternate positions on the debate team. Which expression represents the pro

Elanso [62]

Answer:

<em>Choose the first alternative</em>

$\displaystyle P=\frac{_{1}^{6}\textrm{C}\ _{1}^{5}\textrm{C}}{_{2}^{20}\textrm{C}}$

Step-by-step explanation:

<u>Probabilities</u>

The requested probability can be computed as the ratio between the number of ways to choose two sophomores in alternate positions $(N_s)$ and the total number of possible choices $(N_t)$ , i.e.

$\displaystyle P=\frac{N_s}{N_t}$

There are 6 sophomores and 14 freshmen to choose from each separate set. There are 20 students in total

We'll assume the positions of the selections are NOT significative, i.e. student A/student B is the same as student B/student A.

To choose 2 sophomores out of the 6 available, the first position has 6 elements to choose from, the second has now only 5

$_{1}^{6}\textrm{C}\ _{1}^{5}\textrm{C} \text{ ways to do it}$

The total number of possible choices is

$_{2}^{20}\textrm{C} \text{ ways to do it}$

The probability is then

$\boxed{\displaystyle P=\frac{_{1}^{6}\textrm{C}\ _{1}^{5}\textrm{C}}{_{2}^{20}\textrm{C}}}$

Choose the first alternative

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3 years ago

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Draw the figure with the vertices D(1, 1), E(1,−2), F(−2,−2), G(−2, 1) in the coordinate plane. Question 2 Find the perimeter an

Olegator [25]

Answer:

the answer is 6

Step-by-step explanation:

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3 years ago