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Ivanshal [37]
3 years ago
11

What are the domain and range of this function? PLZ HELP ILL MARK AS BRAINLIEST!!!

Mathematics
1 answer:
Olenka [21]3 years ago
7 0

Answer:

Domain {-5, -4, 1, 2, 4, 5}

Range {-4, -2, 1, 2, 4, 5}

Step-by-step explanation:

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There are 1900 students at Mason High School. 68% play a sport, 12% are in band, and 17% are in student council. If 2% of studen
Salsk061 [2.6K]

Answer:

Probability that a randomly selected student plays sport and is in band = 1/50

Step-by-step explanation:

Total number of students= 1900

Percentage of those that play sport and are in band = 2%

Hence those that play sport and are in band = 2/100 x 1900 = 38 students

Probability that a randomly selected student plays sport and is in band = 38/1900 = 1/50

8 0
3 years ago
An isotope decays at a rate of -0.0049% per year. Find the half life. (show the work)
cricket20 [7]

Answer:

  14,146 years

Step-by-step explanation:

The annual multiplier is (1 -0.0049%) = 0.999951. We want to find the number of times this needs to be multiplied to make the product 1/2.

  0.5 = 0.999951^t

  log(0.5) = t·log(0.999951)

  log(0.5)/log(0.999951) = t ≈ 14,145.514

The half-life is about 14,146 years.

7 0
3 years ago
Solve the system of equations by ELIMINATION.
Dafna1 [17]

Step-by-step explanation:

4x + 2y = 10 --------(1)

2x + 3y = 33 -----------(2)

Multiply 2 with eq. (1) and 4 with eq. (2)

8x + 4y = 20 ____________(3)

8x + 12y = 132 ______(4)

Subtracting (3) from (4),

8x + 4y = 20

- 8x -12y = -132

----------------------

0 -8y = -112

y = 112/8

y = 4 is the answer.

Putting the vakue of y in eq. (2),

2x + 12 = 33

2x = 33-12

2x = 21

x = 21/2 is the answer.

6 0
2 years ago
1 liter = 4.23 cups
kirill [66]
You multiply 4.23 cups by 2 since you need 2 liters so its 8.46 cups then multiply that 8oz since its 8oz per cup, so you get 8.46×8=67.68oz round up to get "d"
7 0
3 years ago
Read 2 more answers
1<br> Solve for x ( and V)<br> 2<br> Show Your Work<br> 14<br> 48<br> X
LiRa [457]

Use pythagoras theorem

x² = 48² + 14²

x² = 2500

x = √2500

x = 50

4 0
3 years ago
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