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SSSSS [86.1K]
3 years ago
9

Davis performed an experiment in which he spun a 4-color spinner 20 times. He recorded his results in the frequency table.

Mathematics
2 answers:
lbvjy [14]3 years ago
8 0

Answer:

No. The frequencies and probabilities for red and green segments might change in the next experiment.

Step-by-step explanation:

I just did it and it said my answer was right

NNADVOKAT [17]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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X+7z=16<br> 3x+y=8<br> y-7z=-12
svet-max [94.6K]

x = 16 - 7z  \\ \ \\ \ 3(16 - 7z) = 8 \\ 48 - 21z = 8 \\  - 21z =  - 40 \\ z =  \frac{40}{21}  \\  \\  \\ y   - 7( \frac{40}{21} ) =  - 12 \\ y -  \frac{40}{3}  =  - 12 \\ y =  - 12 +  \frac{40}{ 3}  \\ y =  \frac{4}{3}
8 0
3 years ago
There are two jobs you can apply for. The first job pays $22,000 the first year, with raises of $4,000 each year thereafter. The
WARRIOR [948]

The answer should be 2. Which means after two years they will be the same amount.

6 0
4 years ago
Factor by grouping x3 - 3x2 + 4x -12 Group of answer choices
Natalija [7]

Answer:

(x² + 4)(x - 3)

or

A

Step-by-step explanation:

Step 1: Write out expression

x³ - 3x² + 4x - 12

Step 2: Factor by grouping

x³ - 3x²

x²(x - 3)

4x - 12

4(x - 3)

Step 3: Combine

(x² + 4)(x - 3)

4 0
4 years ago
To cut in half Congruence - Criteria For Triangle Congruence
MAXImum [283]
If this is geometry and youre just doing this now then I am guessing your school is going pretty slow at teaching you, and adjacent is the word youre looking for
7 0
3 years ago
It costs $12 to enter the fair and $0.50 per ticket for rides. How much total would you spend if you paid admission and bought 7
shepuryov [24]

The initial cost is $12 to enter.

Each ticket is $.50

we want to find out how much it costs for 70 tickets so we multiply the cost by the amount;

70 x .50 = 35

Therefor including the entry fee, it would cost $35 + $12

Which is $47

I hope this helps! :)

7 0
3 years ago
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