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boyakko [2]
3 years ago
13

38 POINTS

Mathematics
2 answers:
mr Goodwill [35]3 years ago
5 0

Answer:

4x² - 3, x less than/equal to 0

Step-by-step explanation:

y = (-1/2)[(x+3)^½]

(x+3)^½ = -2y

Square both sides,

(x+3) = (-2y)²

x+3 = 4y²

x = 4y²-3

Interswitch x and y

Inverse is 4x²-3

Domain of inverse is the range of f.

The range of f is less than/equal to 0

Because at x = -3, f(x) = 0

For x > -3, f(x) is negative

Domain of inverse is x less than/equal to 0

-BARSIC- [3]3 years ago
3 0
It’s is the same answer as I got so that should be your answer
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A jar of 150 jelly beans contains 22 red jelly beans, 38 yellow, 20 green, 28 purple, 26 blue, and the rest are orange. Let B =
Oduvanchick [21]

Answer: \frac{11}{75}

Step-by-step explanation:

R is the event of getting a red jelly bean. 22 out of the 150 jelly beans are red. That means it is a \frac{22}{150} chance of getting a red jelly bean.

Simplified that is \frac{11}{75}

8 0
3 years ago
In a local basketball league championship total 198 games were played, where each team played exactly three games with all the o
kifflom [539]

Answer:

  12

Step-by-step explanation:

When n teams play each other once, the total number of games is n(n-1)/2. Since each team played every other one 3 times, the relationship between number of teams (n) and number of games is ...

  3(n(n-1)/2) = 198

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  n = 12 . . . . . . n = -11 is also an extraneous solution to this quadratic equation

12 teams participated in this championship.

6 0
3 years ago
I need help i don't know how to do this i am stuck!!
PolarNik [594]
121/100 is the answer. it cant be simplified anymore
8 0
2 years ago
GEOMETRY HELP WILL MARK BRAINLIEST
alisha [4.7K]

Answer:

x=8

z = 115

Step-by-step explanation:

65 and 13x - 39 are vertical angles so they are equal

65 = 13x - 39

Add 39 to each side

65+39 = 13x - 39+39

104 = 13x

Divide each side by 13

104/13 = 13x/13

8 =x

65 and z are supplementary angles because they form a straight line.  This means they add to 180

65+z = 180

Subtract 65 from each side

65+z-65 = 180-65

z = 115

4 0
3 years ago
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BigorU [14]
Okay, so I'm almost positive the slope is m=1/1. I know this because the line rises one and runs one. 
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3 years ago
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