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4 years ago

13

In a class, every student knows French or German (or both). 15 students know French, and 17 students know German.What is the sma

llest possible number of students in that class?

1 answer:

bezimeni [28]4 years ago

4 0

17! I think. If you have 15 students that speak French they could all be bilingual!

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PLEASE HELP!!! WORTH 20 POINTS!!!!

dexar [7]

1/1 because if you’ve already take one or orange out of the box you would only have one left to select two from the same box. you started with 2/2 and took one out put 1/1.

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3 years ago

Write an equation that passes through the points (0,-5) and (8,-5)

bezimeni [28]

Answer:

Equation of the line: $y = -5$ .

Step-by-step explanation:

Let $(x_0,\, y_0)$ and $(x_1,\, y_1)$ denote the coordinates of these two points, respectively.

Calculate the slope $m$ of this line:

$\displaystyle m = \frac{y_1 - y_0}{x_1 - x_0} = \frac{(-5) - (-5)}{8 - 0} = 0$ .

Notice that the slope is zero because the two points have the same $y$ -coordinates ( $y_0 = y_1 = -5$ ) even though their $x$ -coordinates are distinct ( $x_0 \ne x_1$ .)

Equation for this line in point-slope form:

$y - y_0 = m\, (x - x_0)$ .

$y - (-5) = 0\, (x - 0)$ .

Rewrite and simplify to obtain the equation of this line in slope-intercept form:

$y = -5$ .

The $x$ -term was eliminated because the slope was zero.

6 0

3 years ago

This event is independent, true or false?

egoroff_w [7]

Answer:

False

Step-by-step explanation:

Because the question says you pick a <u>different</u> shirt on Tuesday than on Monday, that means you have one less shirt you can select, so the event is dependent.

6 0

3 years ago

Solve: <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2x-20%7D%7B3%7D%20%3D2x" id="TexFormula1" title="\frac{2x-20}{3} =2x" alt="\f

Evgen [1.6K]

Answer:

x = - 5

Step-by-step explanation:

$\frac{2x-20}{3}$ = 2x ( multiply both sides by 3 to clear the fraction )

2x - 20 = 6x ( subtract 2x from both sides )

- 20 = 4x ( divide both sides by 4 )

- 5 = x

7 0

3 years ago

Mrs. Sweeney bought 4 spools of thread. Each spool of orange thread is 4 meters long and each spool of indigo thread is 10 meter

Evgen [1.6K]

1 spool of orange and 3 spoils of indigo

6 0

3 years ago