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Sloan [31]
3 years ago
14

WILL MARK BRAINLIEST!!!! Can someone help me wit des 2 questions.

Mathematics
1 answer:
zhenek [66]3 years ago
8 0

Step-by-step explanation:

1. B

2. B

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Please help thanks very much
erik [133]
X/(x+5) = (x-2)/(x+1)
x(x+1) = (x -2) (x + 5)
x^2 + x = x^2 - 2x + 5x - 10
 x = 3x - 10
3x - x = 10
2x = 10
  x = 5

answer is A
5

4 0
3 years ago
If f(x)=3x + 6 then what is the inverse of f(x)
kakasveta [241]
Inverse all of the signs it will be (x-6)/3
3 0
3 years ago
What does p( a or b) =.15 a customer buys a mouse and a customer buys a bird
Marina CMI [18]

Answer:

Step-by-step explanation:

105

3 0
2 years ago
A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded.
creativ13 [48]

Answer:

About 20%

Step-by-step explanation:

The probability of a point on the un-shaded region will be given by;

Area of the shaded region/total area

Considering that the circles are of the same size, then the length of the square is 2d

Area of the square = 4d²

Area of the shaded = (4d² -4π(d/2)²

                                = 4d² -πd², but π = 22/7

                                = 6/7d²

Probability = (6/7d² ÷ 4d²) × 100%

                  = (6/28 d²) × 100%

                  = 21.42 %

Therefore; the answer is about 20%

3 0
3 years ago
If x ¤ y = (x + y)² - (x - y)² <br> Then √5 ¤ √5 =
Hoochie [10]
x\ \diamond\ y=(x+y)^2-(x-y)^2=x^2+2xy+y^2-(x^2-2xy+y^2)\\\\=x^2+2xy+y^2-x^2+2xy-y^2=4xy\\\\\sqrt5\ \diamond\ \sqrt5=4\cdot\sqrt5\cdot\sqrt5=4\cdot5=20
5 0
3 years ago
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