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Brilliant_brown [7]
3 years ago
15

Which has the best unit rates how work willnmark brainsest

Mathematics
1 answer:
alina1380 [7]3 years ago
6 0
64 oz for $8.60 has the best unit rate.
First find the unit rate for the both of them.
The unit rate of 16 oz for $3.30 = 3.30/16 = $0.21 to the nearest cent.
The unit rate for 64 oz for $8.69 = 8.69/64 = $0.13 to the nearest cent.
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Let V be the volume of the solid obtained by rotating about the y-axis the region bounded y = 4x and y = x2/4 . Find V by slicin
aliya0001 [1]

Answer:

Step-by-step explanation:

Consider the graphs of the y = 4x  and  y = \frac{x^{2} }{4}.

By equating the expressions, the intersection points of the graphs can be found and in this way delimit the area that will rotate around the Y axis.

4x = \frac{x^{2} }{4} \\   x^{2}  = 16x \\ x^{2}  - 16x = 0 \\   x(x-16) = 0 then x=0  o  x=16. Therefore the integration limits are:

y = 4(0) = 0  and  y = 4(16) = 64

The inverse functions are given by:

x = 2 \sqrt{y}  and  x = \frac{y}{4}. Then

The volume of the solid of revolution is given by:

\int\limits^{64}_ {0} \, [2\sqrt{y} - \frac{y}{4}]^{2}  dy = \int\limits^{64}_ {0} \, [4y - y^{3/2} + \frac{y^{2}}{16} ]\  dy = [2y^{2} - \frac{2}{5}y^{5/2} + \frac{y^{3}}{48} ]\limits^{64}_ {0} = 546.133 u^{2}

6 0
3 years ago
6.1.8 The following set of scores was obtained from a quiz: 4, 5, 8, 9, 11, 13, 15, 18, 18, 18, 20. The teacher computes the usu
Inessa05 [86]

Answer:

B. Median

D. IQ R

Step-by-step explanation:

from the given data :

mean = 12.6364 , median =13,

st. dev = 5.6262

Q3 = 18 , Q1 = 8

IQ R = Q3 - Q1 = 18-8 = 10

One of the 18s should be 16 then,

mean = 12.4545, median = 13,

st. dev = 5.4656

Q3 = 18 , Q1 = 8

IQ R = Q3 - Q1 = 18-8 = 10

So, median and IQ R will not need to be changed

4 0
3 years ago
A line contains points M(1, 3) and N(5, 0). What is the slope of MN? -4/3 -3/4 3/4 4/3
german

Answer:

Step-by-step explanation:

B

5 0
3 years ago
Read 2 more answers
Need Help asap<br> Choices<br> 9<br> 18<br> 60<br> 120
Bad White [126]

120 is the right answer that is what my teacher told me

8 0
3 years ago
If the number of people is greater than the number of segments each person will get less than one segment
babymother [125]
Is this even a question, it seems to be more of a statement..
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