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Ira Lisetskai [31]
3 years ago
15

What is a sample space?

Mathematics
1 answer:
Arisa [49]3 years ago
8 0
Be more spasific by that
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The mean weight of a group of 7 girls is 58kg<br> work out their total weight with the calculation
dezoksy [38]

Answer:

Easy.The answer is 406kg.

Step-by-step explanation:

58kg×7=406kg

7 0
2 years ago
Read 2 more answers
In a fifth grade class, 4/5 of the girls have brown hair, of the brown-haired girls, 3/4
AfilCa [17]

Answer:

\frac{3}{5}

Step-by-step explanation:

In the fifth grade class, \frac{4}{5} of the girls have brown hair. Again among those of the brown-haired girls, \frac{3}{4} of them have long hair.

We are asked to find the fraction of the girls who have long brown hair in the class.

The fraction of the total students which have long brown hair will be (\frac{4}{5} \times \frac{3}{4}) = \frac{3}{5} . (Answer)

6 0
2 years ago
Using the formula find the slope of a line with the points (10,20) and (30,50).
VARVARA [1.3K]

Answer:

m = 2/3

Step-by-step explanation:

Slope is defined as the ratio rise/run.

As we move from (10, 20) to (30, 50), the run is 30 - 10, or 20, and the rise is 50 - 20, or 30.  Thus, the slope of the line is m = 30/20, or 2/3.

3 0
2 years ago
(30 points)
Pani-rosa [81]

The vertices of the triangle are the points where any pair of lines intersect.

We start by setting up the system

\begin{cases}y=-x+2\\y=2x-1 \end{cases} \iff -x+2=2x-1 \iff 3x=3 \iff x=1

Using one of the two equations we can derive the correspondent y value:

f(x)=-x+2 \implies f(1)=-1+2 = 1

So, one vertex is (1, 1)

We choose the other two pairs of lines to find the other vertices:

\begin{cases}y=-x+2\\y=x-2 \end{cases} \iff -x+2=x-2 \iff x=2 \implies y = 0

\begin{cases}y=x-2\\y=2x-1 \end{cases} \iff x-2=2x-1 \iff x=-1 \implies y=-3

So, the three vertices are (1, 1), (2, 0), (-1, -3).

8 0
2 years ago
(I appreciate help) Rationalize the denominator :<br><br> 3 * sqrt(2) / (2*sqrt(3) - 5*sqrt(2) )
antiseptic1488 [7]
   3  √2                 3√2(2√3 +  5√2)              30 + 6√6              30 + 6√6
-------------   =  -----------------------------  =    ------------------ =   ----------------
2√3 - 5√2       (2√3 - 5√2)(2√3 + 5√2)           12 -  50                   -38

        -15 - 3√6 
=   ----------------   answer
             19
3 0
3 years ago
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