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STALIN [3.7K]
3 years ago
5

Plssss help answer a b c d or e

Mathematics
1 answer:
Vadim26 [7]3 years ago
7 0
I say the answer is d let me know if im wrong
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Biologists have found that the number of chirps some crickets make per minute is related to temperature. the relationship is ver
aalyn [17]

Answer:

It is 74.24 degrees Fahrenheit when the crickets are chirping 150 times a minute.

Variables x = Chirps and  y = Degrees

y-intercept = 38.24

slope = 0.24

Step-by-step explanation:

As the chirps are 124 times per minute for 68 degrees Fahrenheit we will consider it in (x_1,y_1) = (124,68).

Now when the chirps are 172 times and temperature is 80 degrees we consider it (x_2,y_2) = (172,80).

To find the slope we can use point-slope formula.

Where m is the slope and m=\frac{y_2-y_1}{x_2-x_1} =\frac{80-68}{172-124}= 0.24

To find y-intercept we will plug out the value of slope in y=m(x)+b choosing point (x_1,y_1) = (124,68).

So b=y-m(x) =68-124(0.24) =68-29.76=38.24

And the equation is y=0.24(x)+b

To calculate temperature for 150 chirpings we have to plug x=150 and b=38.24 in our above equation which is in form of y=m(x)+b

y=0.24(x)+b

y=0.24(150)+38.24=74.24\approx 75 degrees Fahrenheit.

Finally we have :

Temperature 74.24 degrees Fahrenheit.

With variables x = Chirps and  y = Degrees

y-intercept = 38.24 and

slope = 0.24

6 0
3 years ago
What are the solutions to the quadratic equation 50-xsquared=0
Law Incorporation [45]

Answer:

50 - x² = 0

x² = 50

x=5\sqrt{2} \\x=-5\sqrt{2}

or

x= 7.07106781187\\x=-7.07106781187

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The price p of a pizza is $6.95 plus $0.95 per topping t on the pizza, write a function rule
photoshop1234 [79]
The initial price is 6.95. Each topping is 0.95, so the number of toppings is x

0.95x

p is the total price which includes the price of x amount of toppings and the initial price, 6.95

p = 0.95x + 6.95.
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3 years ago
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The number of users of the internet in a town increased by a factor of 1.01 every year from 2000 to 2010. The function below sho
Alex Ar [27]

Answer:

3000.(1.01)^x

Step-by-step explanation:

The domain is x greater or equal 0 (x must be a non-negative integer)

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Given the point (4, 5) and the slope of 6, find y when x = 24.
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The answer will be Y=6*5=30
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