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Ipatiy [6.2K]
3 years ago
14

The store Clothes-4-You keeps data on their sales. These data points represent their coat sales, where x is the average outside

temperature and y is the number of coats sold. (3, 94), (12, 91), (16, 83), (21, 93), (27, 82), (29, 69), (40, 71), (43, 63), (60, 38), (52, 53) What is the best estimate for the number of coats sold when the outside temperature is 35°F?
Mathematics
2 answers:
ikadub [295]3 years ago
5 0

Answer:

the answer is 70 coats

Step-by-step explanation:

if 35 is the temperature that you need to plug in the points on the graphs X and Y coordinators to find that the answer is 70

Alex3 years ago
4 0

Answer:

It should be 70 coats.

Step-by-step explanation:

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If John can paint half of a room in two-thirds of an hour, what part of the room can he paint in a full hour?
Firlakuza [10]

Answer:

<h2>0.75(3/4) part of the room</h2>

Step-by-step explanation:

Step one:

given data

we can express the given data mathematically as

John can paint 0.5room in 2/3 hours

let the part of the room he can paint in an hour be x

so

if he takes 2/3 hours to paint 0.5 room

then he will take 1 hour to paint x

cross multiply we have

x= 0.5/2/3

x=0.5*3/2

x= 1.5/2

x=0.75 part of the room

75/100= 15/20=3/4 part

5 0
3 years ago
What is the domain of the function represented by the graph?
nalin [4]

Answer:

I believe its c

Step-by-step explanation:

The domain of a quadratic function is all real numbers

8 0
3 years ago
We are standing on the top of a 320 foot tall building and launch a small object upward. The object's vertical altitude, measure
STALIN [3.7K]

Answer:

The highest altitude that the object reaches is 576 feet.

Step-by-step explanation:

The maximum altitude reached by the object can be found by using the first and second derivatives of the given function. (First and Second Derivative Tests). Let be h(t) = -16\cdot t^{2} + 128\cdot t + 320, the first and second derivatives are, respectively:

First Derivative

h'(t) = -32\cdot t +128

Second Derivative

h''(t) = -32

Then, the First and Second Derivative Test can be performed as follows. Let equalize the first derivative to zero and solve the resultant expression:

-32\cdot t +128 = 0

t = \frac{128}{32}\,s

t = 4\,s (Critical value)

The second derivative of the second-order polynomial presented above is a constant function and a negative number, which means that critical values leads to an absolute maximum, that is, the highest altitude reached by the object. Then, let is evaluate the function at the critical value:

h(4\,s) = -16\cdot (4\,s)^{2}+128\cdot (4\,s) +320

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The highest altitude that the object reaches is 576 feet.

6 0
3 years ago
It takes 0.5 gallon of cream to make 1 pound of butter.
worty [1.4K]

Answer:

0.5 pounds of butter.

Explanation

X pounds for 0.25 gallons.

0.5 gallon of cream - 1 pound of butter

0.25 gallons of cream - X pounds of butter

Applying cross multiplication:

0.5X = 0.25

X = 0.25 over 0.5 or 0.25/0.5

X = 0.5

Therefor, you could make 0.5 pounds of butter with 0.25 gallons of cream.

7 0
2 years ago
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A. Yes

Step-by-step explanation:

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3 years ago
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