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user100 [1]
3 years ago
5

If 1 yard = 3 feet and 1 mile = 5,280 feet, how many yards are there in 2 miles?

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0
2 miles = 3520 yards
FORMULA multiply the length value by 1760
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Y varies directly with x, and y = 7 when x = 2. What is the value of y when x = 5?
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"find the value of y when x= -0.3"y = -4x = (-4) * (-0.3) = 1.2


So for each problem, start with y = kxThey give you one x and one y value.Put it in y = kx and find k.Then put x = -0.3 and find y.


3 0
3 years ago
Based on data from the Greater New York Blood Program, when blood donors are randomly selected the probability of the having Gro
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Answer:

The probability that at least one of the 5 donors has Group O blood type is 0.9497.

Step-by-step explanation:

We can model this as a binomial random variable, with n=5 (the sample size) and p=0.45.

The probability that exactly k donors have Group O blood type in the sample can be written as:

P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{5}{k} 0.45^{k} 0.55^{5-k}\\\\\\

We have to calculate the probability P(x≥1). In this case it easy to substract from 1 the probabitity that x is exactly 0:

P(X\geq1)=1-P(x=0)\\\\\\P(x=0) = \dbinom{5}{0} p^{0}(1-p)^{5}=0.55^5=0.0503\\\\\\P(x\geq1)=1-0.0503=0.9497

7 0
3 years ago
What are some situations in which estimating a sum or difference is useful? Why is it useful in these situations?
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What exactly are these situations can you tell me and maybe I could help you out.
4 0
3 years ago
Read 2 more answers
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alukav5142 [94]

Answer:

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Step-by-step explanation:

y2 - y1 / x2 - x1

-9 - (-1) / 0 - (-6)

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3 years ago
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!
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Use Ga_thMath(u) (brainly doesn't allow me to type it) To use the app u need to take a pic of the problem and then it will process it and you'll get ur answer ASAP(most of the time). Many questions have been asked before so search it on brainly.

4 0
3 years ago
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