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Svetlanka [38]
3 years ago
12

a school has 5 spanish teachers and 4 french teachers.the schools principal randomly chooses of the teachers to attend a confere

nce what is the probability that the principal chooses 2 spanish teachers
Mathematics
2 answers:
pav-90 [236]3 years ago
8 0
I believe that woud be 2/9
pochemuha3 years ago
8 0
I believe as well 2/9
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Which digit in the number 98,765.4321 is in the thousandths place? A) 1 B) 2 C) 8 D) 9 E
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Your answer is B) 2.... .4 is tenths, .03 is hundredths, and .002 is thousandths
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3 years ago
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Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.
dsp73

Answer:

y = 3x - 18

Step-by-step explanation:

The line passes through (2,-12) and;

Its parallel to line y = 3x

The slope of our line is 3

Taking another point (x,y) on the line

Slope = change in y ÷ change in x

3 = \frac{y - -12}{x - 2}

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3 0
3 years ago
How can mental math help you find solutions to inequalities?
shepuryov [24]

Answer:

There are many examples the basics are also easy to remember.

Step-by-step explanation:

We can input these for the following equation.

x > 5

(x is greater than 5)

Then compare to - x < 5

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We try a sum

3x -2 ≤ 1

we can then balance subtract -2

3x ≤ -1

then divide by 3

x= -1 /3

We try another value

3x -2 ≤ 0

1 ≤ 3x

1/3 ≥ x

We can check that each equality fits and alter the number accordingly.

For the first one we are saying it is no greater than 1

For the second we say it is greater than zero.

We are able to prove both have the answer.

Just like when we look for negative percentages and count down we record this as we count in mental math.

7 0
3 years ago
If the length of a rectangle is x, and the width is x+3, what is the perimeter of the rectangle?
timurjin [86]
Perimeter is 2w+2l. 2l=2x, and 2w=2x+6. Add them, and get 4x+6
6 0
4 years ago
Help me this is to confusing
motikmotik

Answer:

to me it looks like u need to add id.k i may be wrong

Step-by-step explanation:

So it looks like u maybe need to add all of them until u get to 450(sorry if this is not helpful...i am horrible at math:( don´t give braniest if wrong thank you!!! :D

3 0
3 years ago
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