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statuscvo [17]
2 years ago
8

Maya collected data about the number of ice cubes and milliliters of juice in several glasses of juice and organized the data in

to this table.
3
Ice Cubes
Juice (milliliters)
2
234
3
202
5
1 40
5
155
177
210
265
She used a graphing tool to display the data in a scatter plot, with x representing the number of ice cubes and yrepresenting the milliliters of
juice. Then she used the graphing tool to find the equation of the line of best fit:
y=-29.202x+ 293.5.
Based on the line of best fit, approximately how many milliliters of juice will be in a glass with 7 ice cubes?
A
10
B. 89
OC.
D. 208
Mathematics
1 answer:
Alex_Xolod [135]2 years ago
5 0

Answer: B. 89

Step-by-step explanation:

-29.202x7= -204.414

-204.414+293.5= 89.086

So the answer is B. 89

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Lana71 [14]
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x=871.5~inches
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6 0
2 years ago
A carton of milk has spilled on a tile floor. The milk flow can be expressed with the function m(t) = 9t, where t represents tim
nataly862011 [7]
Part A)     means that we have to find a composition of functions A and m
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part B)  
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3 0
2 years ago
Read 2 more answers
Jeff earned his pilot's license and flew to visit his brother 200 miles away. A headwind of 20 mph slowed down the plane's speed
lora16 [44]
<h2>Plane's speed without wind i s 117.68 mph</h2>

Step-by-step explanation:

We have speed of plane without wind is x.

Distance to brothers place = 200 miles.

A headwind of 20 mph slowed down the plane's speed on the first leg of the trip

Speed to brothers place = x - 20

We have

         Distance = Speed x Time

         200=(x-20)\times t_1\\\\t_1=\frac{200}{x-20}

A tailwind of 20 mph sped up the plane on the return trip

Speed of return trip = x + 20

We have

         Distance = Speed x Time

         200=(x+20)\times t_2\\\\t_2=\frac{200}{x+20}

The entire trip took 3.5 hours.

That is

            t_1+t_2=3.5\\\\\frac{200}{x-20}+\frac{200}{x+20}=3.5\\\\200x+4000+2000x-4000=3.5(x-20)(x+20)\\\\400x=3.5x^2-1400\\\\7x^2-800x-2800=0\\\\\texttt{x = 117.68mph or x =-3.40mph}

Plane's speed without wind i s 117.68 mph

7 0
2 years ago
If the team’s average time is less than one minute per leg, then the eighth graders earn 50 points. If not, the seventh graders
White raven [17]

Answer:

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Step-by-step explanation:

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2 years ago
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NOTE: This is where you reverse your inequality symbol [dividing or multiplying by a negative].

7 0
2 years ago
Read 2 more answers
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