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Dovator [93]
3 years ago
9

to make a cheesecake, you need about 2 1/2 pounds of cream cheese. how many pounds of cream cheese will you need to make 2 chees

ecakes?
Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

5 pounds.

Step-by-step explanation:

2 1/2 = 2.5

2.5 x 2 = 5

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The weights (to the nearest pound) of some boxes to be shipped are found to be:. Weight 65 68 69 70 71 72 90 95 frequency 1 2 5
Lena [83]
So the mean is 72.97

We need to subtract the mean from each value and square it.
(65-72.97)^2= 63.5209
(68-72.97)^2=24.7009
(69-72.97)^2=15.7609
(70-72.97)^2=8.8209
(71-72.97)^2= 3.8809
(72-72.97)^2=0.9409
(90-72.97)^2=290.0209
(95-72.97)^2=485.3209

Now we add up the new values ( also consider their frequency) and find their mean.
Add the values
63.5209+(2 •24.7009=49.4018)+(5•15.7609=78.8045)+(8•8.8209=70.5672)+(7•3.8809=27.1663)+(3•0.9409=2.8227)+(2•290.0209=580.0418)+(2•485.3209=970.6418)= 1,842.967
Divide by total numburs to find the mean
1,842.967/ 30=61.43223333

The standar deviation is the square root of the mean so is
Square root of 61.43223333=7.837871735
Round to the nearest tenth
Standard Deviation is 7.8



7 0
3 years ago
Can someone help me
Roman55 [17]

Answer: D) Reflection across the y-axis; 270^{\circ} counterclockwise rotation about the origin

3 0
1 year ago
Orlando invested $16,000 in an eight-year CD bearing 6.5% simple annual interest, but needed to withdraw $3,500 after five years
baherus [9]

Answer:

Therefore, the correct option is OPTION C.

Step-by-step explanation:

If Orlando had not made his early withdrawal, the amount of money he would have earned is:

F = 0.065($16,000)(8) = $8.320

Given that he withdraw $3500, he now earns:

F1 = (0.065)($16,000)(5) + ($12,500)(0.065)(3)

F1 = $5200 + $2437.5 = $7637.5

And now we have to take into acount the year of penalty, which is one year’s worth of interest on the amount withdrawn.

Penalty= $3500(0.065)(1) = $227.5

So the total money he earns now is: $7637.5 - $227.5 = $7410

Then, the amunt of money he could have earn but he didn't is:

Money = $8.320 - $7410 = $910

Therefore, the correct option is OPTION C.

6 0
3 years ago
Read 2 more answers
Plz help me with my homework
Temka [501]
Depends on what it is, i'd personally love to at any point
3 0
3 years ago
What’s the area pls help for 30 points ?
solmaris [256]

Answer:67.5

Step-by-step explanation:

5*10=50

5*7=35    35/2=17.5

17.5+50=67.5

7 0
3 years ago
Read 2 more answers
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