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8090 [49]
3 years ago
15

Every Saturday morning,Shaun mows 3 lawns 6 hours at this rate how many hours will it take him to mow 78 lawns (please solve thi

s)
Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
3 lawns -> 6h
1 lawn -> 2h
78 lawns -> 2 x 78 = 156 hours
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Jonathan is making his favorite pasta dish. He serves his mom 1/12 of the pot of pasta and his brother 1/6 of the pot. How much
Lerok [7]
1/6 also is 2/12. So, there is 9/12 of the pasta left.
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3 years ago
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Find the average rate of change for the given function from x = 1 to x = 2.
Akimi4 [234]

Answer:

d. 2

Step-by-step explanation:

The average rate of change is found from ...

... (f(x2) -f(x1))/(x2 -x1) = (5 - 3)/(2 -1) = 2/1 = 2

3 0
3 years ago
If david must score 90 percent on his test in order to a if he scored a 89,90,98,86 what is the score on his fifth test
Readme [11.4K]
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
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3 years ago
Given the functions f(x) = 3(0.56)^x and g(x) = 6(4)^x
rodikova [14]
A)  f(x) is decreasing because the base is less than 1.
      0.56 is close to 0.5, so its like saying that you are taking half each time, therefore the value is getting smaller.

g(x) is increasing because the base is greater than 1.
you are multiplying by 4 each time, making the value bigger.


B )  The y-intercept is where x=0.
      Anything to the '0' power is 1. Therefore the y-intercept is equal to the coefficient in front of each function.
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C)  Just plug in x=4 to each function in a calculator.
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7 0
3 years ago
Given: f(x)=x^(2)-3 and g(x)=x+1 the composite function g*f is
Ivenika [448]

Answer:

<h2>x³ + x² - 3x - 3</h2>

Step-by-step explanation:

I'm assuming g*f means g times f,  so you want to multiply the two functions together.  

(x² - 3)(x + 1)                 Since the product is 2 binomials, use FOIL

                      =  x²(x) + x²(1) - 3(x) - 3(1)

which simplifies to

<h2>x³ + x² - 3x - 3</h2>
8 0
3 years ago
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