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marusya05 [52]
2 years ago
8

Determine the unit rate of a marathon runner who travels 5/2 miles in 15 minutes

Mathematics
1 answer:
Marysya12 [62]2 years ago
6 0
Speed= Distance/ time
Speed= 5/2÷15/60
Speed=5/2*60?15
speed=10 miles per hour

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A bag contains blue and yellow marbles. Two marbles are drawn without replacement. The probability of selecting a blue marble an
exis [7]
 blue marbles
y = yellow marbles
 Sum = b+y
 The <span>chance of a blue marble being drawn first is:
b / (b+y) = 0.55 
</span>The <span>chance of a blue marble being drawn first then a yellow next is:
</span>b / (b+y) * y / (b+y-1) = 0.37
This can be solve easily by using a theorem of Bayes 
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7 0
3 years ago
Please help me <br> Find f(-4)
Katyanochek1 [597]
As x < 3, you would use the equation x^{2} -5
Plus in -4 for X and you would get (-4)^{2} -5
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5 0
2 years ago
Shelly spent 10 mintues jogging and 20 mintues cycling and burned 300 calories. The next day, shelly swapped times and did 20 mi
ratelena [41]
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6 0
2 years ago
Find COS
ehidna [41]

\frac{9}{41}

Step-by-step explanation:

The ratio cosine tell us that

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In other words,

\cos(x)  =  \frac{adj}{hyp}

The side adjacent to angle a is 9. The hypotenuse is 41.

So

\cos(a)  =  \frac{9}{41}

6 0
2 years ago
(y+1)2_ (x + 2)2 &gt; 1?
WINSTONCH [101]

Answer:

(–2, 6)

Step-by-step explanation:

3 0
2 years ago
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