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slava [35]
3 years ago
13

Suppose Colby rolls the number cube 1000 times, about how many times can she expect to roll an odd number?​

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0

Since there are 3 odd numbers ( 1, 3 and 5) and 3 even numbers ( 2, 4 and 6) in the cube ,

The chance of getting an odd number is 50/50 or 50%

So out of 1000 she will probably get 500 odd since 1000 × 0.5 (which is 50%) is 500

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Josh and Greg leave from the same place
nasty-shy [4]

9514 1404 393

Answer:

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  • Greg: 64 mph, 320 mi

Step-by-step explanation:

Let x represent Josh's rate of travel in miles per hour. After 2 hours, his distance is ...

  distance = speed · time

  distance = x · 2 = 2x

Then 2x is Greg's rate of travel After 5 hours, his distance is ...

  distance = speed · time

  distance = (2x) · 5 = 10x

The distance they are apart is ...

  10x -2x = 256

  8x = 256

  x = 32

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Josh's rate: 32 miles per hour; Josh's distance = (2 h)(32 mi/h) = 64 miles.

Greg's rate: (32 mi/h)·2 = 64 mi/h; Greg's distance = (5 h)(64 mi/h) = 320 miles.

<em>__</em>

<em>Check</em>: 320 miles - 64 miles = 256 miles . . . . correct separation

6 0
3 years ago
M= 0 passes through the point (-1,3)
Len [333]

Answer:

y = 3

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We need to solve for b in y = mx + b since we are given a point and the slope.

y = 0x + b

y = b

3 = b

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3 0
3 years ago
11 = -d + 15<br> PLEASE ANSWER FAST
Oksanka [162]

Answer:

<h2>d=4</h2>

Step-by-step explanation:

Let's solve your equation step-by-step.

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Step 2: Subtract 15 from both sides.

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Step 3: Divide both sides by -1.

−d/−1=−4/−1

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2 years ago
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6 0
3 years ago
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Mekhanik [1.2K]

Answer:

4th one

when x goes up y=+4

so if x is 5 y is 20

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5 0
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