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pav-90 [236]
2 years ago
8

What is the value of x? 30 45 55 60 (8r)0 R w

Mathematics
1 answer:
bonufazy [111]2 years ago
5 0

Answer:

The value of x is 35 which is the correct answer

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Because they are in the center.
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Find the coordinates of S after a rotation of the triangle 90 degrees counterclockwise about the origin
Neko [114]

We first start by finding the actual coordinates of the pre - image's point S.

Assuming the x and y axis count by 1s, as there is no labels, we can conclude that:

The point's x coordiate is 4 to the left from the origin, or -4.

The point's y coordinate is 4 up from the origin, or 4.

So, the coordinates of Point S is (-4, 4).

Next, we apply the translation rule for a 90 degree counterclockwise rotation to the point's coordinates. The rule is (x, y) --> (-y, x). Using this rule on our coordinates, we get:

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6 0
3 years ago
How do you substitute x+y=2 3x+2y=5
Monica [59]
Here's how you solve this.  So, x+y=2, right?  Let's isolate x.  x+y-y=2-y.  x=2-y.  NOW, if x=2-y, in 3x+2y=5, we can REPLACE x with 2-y and use it to solve for y!  3x+2y=5.  3(2-y)+2y=5.  (3*2)+(3*-y)+2y=5.  6+(-3y)+2y=5.  6+(-y)=5.  6+(-y)-6=5-6.  -y=-1.  -y/-1=-1/-1.  y=1.

So, if y=1, we can substitute that back into either equation--but let's go with the easier one, x+y=2.  x+1=2.  x+1-1=2-1.  x=1.  1+1=2, so that works; let's check the other equation.  3(1)+2(1)=5.  3+2=5.  5=5.  That's correct!

Answer: x=1, y=1
4 0
3 years ago
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A bag contains 2 blue, 4 green, and 3 white chips. What is the probability of drawing a blue chip, replacing it, then drawing a
Brrunno [24]
2 blue, 4 green, 3 white....total of 9 chips

P(blue) = 2/9
replacing
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P(both events happening) = 2/9 * 4/9 = 8/81 <==
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3 years ago
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