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garik1379 [7]
3 years ago
8

West Side Middle School and Jefferson Middle School recycled newspaper and kept track of how many pounds of paper each student c

ollected.
Looking at the data as a whole, which school appears to have brought in more newspapers on a daily basis?

A) Jefferson Middle School

B) West Side Middle School

C) They brought in equal amounts on a daily basis.

D) This information cannot be determined.

Mathematics
2 answers:
vazorg [7]3 years ago
6 0
I would have to say D, as I don't see any further information to the word problem. || D. This Information Cannot Be Determined.
Andrei [34K]3 years ago
3 0

Answer:

The correct answer is answer B

Step-by-step explanation:

The picture I added

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Simplify: Square root of 8xy squared
SashulF [63]

Answer:

8xy

Step-by-step explanation:

\sqrt{(8xy)^{2}}=\sqrt{(8)^{2}x^{2}y^{2}} =8xy

6 0
4 years ago
An angle measures 146° more than the measure of its supplementary angle. What is the measure of each angle?
ziro4ka [17]

Answer:

163 degrees and 17 degrees

Step-by-step explanation:

x+y = 180

x-y = 146   then x = 146+y

substitute for x

146+y+y = 180

2y = 34

y = 17

x = 17+146 = 163

8 0
3 years ago
Please help me if you know, thank you!!
Oduvanchick [21]
GG easy
I=(r)(t)(P)P=principalr=rate in decimalt=timei=interest
so just plug in what you know to solve for what you don't know
first oneI=(0.05)(3)(100)
I=15

2nd one20=(0.04)(t)(500)20=20tdivide by 20 both sides1=tt=1
3rd one35=(0.10)(7)(P)35=0.70Pdivide both sides by 3550=PP=50

4th one6=(r)(2)(200)
6=400rdivide both sides by 4000.015=rconvert to percent1.5%=r
4 0
3 years ago
Marquis wrote the linear regression equation y=1.245x - 3.684 to predict the cost, y, of x songs purchased. Marquis spent $40 on
jasenka [17]
What you should do for this casp is to use the given expression and clear the value of x.
 We have then:
 y = 1.245x - 3.684
 Clearing x:
 1.245x = (y + 3.684)
 x = (y + 3,684) / (1,245)
 Substituting the value of y:
 x = ((40) +3,684) / (1,245) = 35.09
 x = 35
 answer:
 the best estimate of the number of songs that Marquis purchased is 35
4 0
4 years ago
Read 2 more answers
If C(x) is the cost of producing x units of a commodity, then the average cost per unit is c(x) = C(x)/x. Consider the cost func
olga2289 [7]

Answer:

a. C(1,000) = 420,491.11

b. c(1,000) = 420.49

c. dC/dx(1,000) = 429.72

d. x = 900

e. c(900) = 420

Step-by-step explanation:

We have a cost function for x units written as:

C(x) = 54,000 + 240x + 4x^{3/2}

a. The total cost for x=1000 units is:

C(1,000) = 54,000 + 240(1,000) + 4(1,000)^{3/2}\\\\C(1,000)=54,000+240,000+4\cdot  31,622.78\\\\C(1,000)=54,000+240,000+ 126,491.11 \\\\C(1,000)=  420,491.11

b. The average cost c(x) can be calculated dividing the total cost by the amount of units:

c(1,000)=\dfrac{C(1,000)}{1,000}=\dfrac{ 420,491.11 }{1,000}= 420.49

c. The marginal cost can be calculated as the first derivative of the cost function:

\dfrac{dC}{dx}=240(1)+4(3/2)x^{3/2-1}=240+6x^{1/2}\\\\\\\dfrac{dC}{dx}(1,000)=240+6(1,000)^{1/2}=240+6\cdot 31.62=429.72

d. This value for x, that minimizes the average cost, happens when the first derivative of the average cost is equal to 0.

c(x)=\dfrac{C(x)}{x}=\dfrac{54,000+240x+4x^{3/2}}{x}=54,000x^{-1}+240+4x^{1/2}\\\\\\ \dfrac{dc}{dx}=54,000(-1)x^{-2}+0+4(1/2)x^{-1/2}=0\\\\\\\dfrac{dc}{dx}=-54,000x^{-2}+2x^{-1/2}=0\\\\\\2x^{-1/2}=54,000x^{-2}\\\\\\x^{-1/2+2}=54,000/2=27,000\\\\\\x^{3/2}=27,000\\\\\\x=27,000^{2/3}=900

e. The minimum average cost is:

c(900)=54,000(900)^{-1}+240+4(900)^{1/2}\\\\c(900)=60+240+120\\\\c(900)=420

7 0
3 years ago
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