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yawa3891 [41]
2 years ago
10

What is the probability of getting a green, replace it back, and then pull another green?

Mathematics
2 answers:
Delvig [45]2 years ago
8 0

Answer:

5/9 is the likelihood of 2 greens in a row or 55%

tatuchka [14]2 years ago
5 0

the answer is 1 out of 9 i guess...

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Solve for <br> x<br> x and graph the solution on the number line below.<br> −14&lt;7x
yanalaym [24]

Answer:

Step-by-step explanation:

-14<7x

-14/7<7/7x

2<x

7 0
3 years ago
Make n the subject of the formula: M=3n
natta225 [31]
Divide each side by 3. ----- n=M/3 .
4 0
3 years ago
Jeffery is wrapping a box. the dimensions of the box are shown. What is the surface area of the box
Schach [20]

Answer: 232

Step-by-step explanation:

Surface area = everything multiplied x 2

3 0
3 years ago
Geometry help! Please prove the following is a square with full explanation, I'm really lost.
Hoochie [10]

We have to show that this is a square, meaning all the sides are perpendicular and the same distance.  

A(3,4), B(2,-2), C(-4,-1), D(-3,5)

For each side we calculate the squared distance and the slope.  We don't have to bother to take the square root.  We'll subtract the points first because that difference, called the direction vector, goes into both the calculation of the slope and of the distance.

AB=B-A=(2 - 3, -2 - 4) = (-1, -6).   slope=-6/-1=6  AB²=(-1)²+(-6)²=37

BC=C-B=(-6, 1).  slope=1/-6=-1/6.   BC²=(-6)²+1²

CD=D-C=(1, 6).   slope=6/1=6    CD²=1²+6²=37

DA=A-D=(6,-1)   slope=-1/6     DA²=37

We see the negative reciprocal slopes, alternating between 6 and -1/6, indicating perpendicular sides.  We see they all have squared distance 37.  Equal perpendicular sides proves its a square.

If we do these problems enough we learn:  There's no point taking the square root.  In fact, there's really no point computing the slopes and the squared distances; we can see it's a square from the pattern of the direction vectors of the sides:  (-1, -6) (-6, 1) (1, 6) (6,-1)

5 0
3 years ago
What is the actual slope of this line?
-BARSIC- [3]

Answer:

  -4

Step-by-step explanation:

The line has a "rise" between the two points of -4 units for a "run" of +1 unit. The slope is the ratio ...

  m = rise/run = -4/1 = -4.

The slope is -4.

_____

<em>Additional comment</em>

A "whole number" must be non-negative. Here, the slope is negative. If you're restricted to "a fraction or a whole number", then the appropriate answer is the fraction -4/1. We suspect that "integer" is meant where "whole number" is used.

5 0
3 years ago
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