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mr Goodwill [35]
4 years ago
13

Can someone help me with this please :)

Mathematics
2 answers:
nekit [7.7K]4 years ago
3 0
It 90 because u mult 10 x9
TEA [102]4 years ago
3 0

Answer:

47.25

Step-by-step explanation:

9 times 10.5=94.5/2=47.25

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What is the area of this trapezoid?
lara [203]

Answer:

487.5

Step-by-step explanation:

A=a+b/2 x h

7 0
3 years ago
Can someone please help me as soon as possible!
Elena-2011 [213]
Ed = 96 but switch the numbers
6 0
4 years ago
A library subscribes to two different weekly news magazines, each of which is supposed to arrive in Wednesday's mail. In actuali
Zinaida [17]

Answer:

See pmf of Y below

Step-by-step explanation:

Let's abbreviate the days by using the first letter, W, T, F and S.

The following array shows the possible probabilities for Y.

Since the probabilities are independent Y(a,b) = P(a)*P(b) for any day a,b.  

The array shows the pmf of Y, that is, the probability that the number of days <em>beyond TUESDAY</em> (as we are considering W) that it takes for both magazines to arrive after Wednesday equals to or is greater than 0.

\bf \left[\begin{array}{ccccc}Day&W&T&F&S\\W&0.28^2&0.28*0.38&0.28*0.21&0.28*0.13\\T&0.38*0.28&0.38^2&0.38*0.21&0.38*0.13\\F&0.21*0.28&0.21*0.38&0.21^2&0.21*0.13\\S&0.13*0.28&0.13*0.38&0.13*0.21&0.13^2\end{array}\right]

computing the probabilities, we get the array

\bf \left[\begin{array}{ccccc}Day&W&T&F&S\\W&0.0784&0.1064&0.0588&0.0364\\T&0.1064&0.1444&0.0798&0.0494\\F&0.0588&0.0798&0.0441&0.0237\\S&0.0364&0.0494&0.0273&0.0169\end{array}\right]

The right way to read Y is Y(row,column). For example, the probability that magazine 1 arrives on Thursday and magazine 2 arrives on Friday is Y(T,F) = 0.0798.

3 0
3 years ago
Which of the following is between 1/5 and 2/3?
kati45 [8]

Answer:

5/7 I got this one it was 5/7

3 0
2 years ago
The Miller family visited Mama's Kitchen and ordered 4 hamburgers and 3 medium fries and paid $17.35. James ordered a medium dri
Airida [17]
Know: 17.35 is equivalent to 4 burgers 3 med fries
6.09 Is equivalent to 1 burger med fries
9.34 8s equivalent to 2 burgers med fries and med drink
So what you want to do is take 6.09 and subtract it from 9.34 which is 3.25. Now 3.25 is your burger price.
What you want to do now is take your 3.25 and multiply it by 4 which would be 13. 17.35 subtract 13 would be 4.
4 divided by 3 is 1.33 which is now the price of a med fries.
now for the drink. 3.25 plus 1.33 is 4.58.
6.09 subtract 4.58 is 1.51
Now you have 3.25 as your burger
1.33 as your fries
1.52 for your drink
6 0
3 years ago
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