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My name is Ann [436]
2 years ago
10

Mrs. Dern's class is preparing to write reports on the United States. Students must draw from a box the state that they will be

assigned to. When it is Jake's turn to draw, there are three western states, one southern state, five midwestern states, and some eastern states remaining in the box. If the probability of drawing an eastern state is 1/2, how many eastern states are in the box?​
Mathematics
1 answer:
kari74 [83]2 years ago
8 0

Answer:

9

Step-by-step explanation:

Add all the states provided which is 9 since it said 1/2 chance answer is 9

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2 years ago
Solve the system with elimination.3x + y = 9x + 2y = 3
NikAS [45]

In order to solve by elimination, let's multiply the first equation by -2. This way, when we add the equations, the variable y will be canceled out:

\begin{cases}-6x-2y=-18 \\ x+2y={3}\end{cases}

Now, adding the equations, we have:

\begin{gathered} -6x-2y+x+2y=-18+3\\ \\ -5x=-15\\ \\ x=\frac{-15}{-5}\\ \\ x=3 \end{gathered}

Now, calculating the value of y, we have:

\begin{gathered} x+2y=3\\ \\ 3+2y=3\\ \\ 2y=0\\ \\ y=0 \end{gathered}

Therefore the solution is (3, 0).

5 0
1 year ago
Evaluate 8x-y2-3 when x = -1/4 and y=3<br>plz help
UkoKoshka [18]

Answer:

-14

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8x-y²-3

8(-1/4) - (3)² - 3

-2 - (9) - 3

= -14

6 0
2 years ago
What’s the correct answer
charle [14.2K]
7-4=3

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8 0
3 years ago
Read 2 more answers
an automobile has 20 inch diameter wheels if the wheels revolved three times after the brakes were applied, the stopping distanc
Marrrta [24]

Answer:

188.49

Step-by-step explanation:

use the diameter to find the circumference..

C = d pi          or C = 2r pi

when you plug in 20, you get 62.83

now take that, and multiply it by 3, because the wheels went around three times.

62.83 * 3 = 188.49  inches

i hope this was helpful to you!

stay safe!!

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4 0
2 years ago
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