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GREYUIT [131]
3 years ago
5

Alicia cashed her paycheck and used half her earnings to take three friends to dinner. She spent $42.15 on dinner and she bought

home more than $20.00. Write and inequality to represent the situation, using x to represent the amount of Alicia’s paycheck.
Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0
X - 42.15 = 20.00x X is the variable in the expression <span />
creativ13 [48]3 years ago
3 0
$42.25-$20.00=x is the answer I think
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Find the average value of the function on the given interval.<br> f(x)=(2x-1)1/2; [1,13]
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Answer:

The average value of the function on the given interval 6.5.

Step-by-step explanation:

Consider the given function is

f(x)=\dfrac{2x-1}{2}

We need to find the average value of the function on the given interval [1,13].

f(x)=\dfrac{2x}{2}-\dfrac{1}{2}

f(x)=x-0.5

The average value of the function f(x) on [a,b] is

Average=\dfrac{1}{b-a}\int\limits^b_a {f(x)} \, dx

Average value of the function on the given interval [1,13] is

Average=\dfrac{1}{13-1}\int\limits^{13}_{1} {x-0.5} \, dx

Average=\dfrac{1}{12}[\dfrac{x^2}{2}-0.5x]^{13}_{1}

Average=\dfrac{1}{12}[\dfrac{(13)^2}{2}-0.5(13)-(\dfrac{(1)^2}{2}-0.5(1))]

Average=\dfrac{1}{12}[78-0]

Average=6.5

Therefore, the average value of the function on the given interval 6.5.

6 0
3 years ago
I need it done asapp <br> Will give brainly!!
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Answer:

Step-by-step explanation:

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12-3.5

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The set of all numbers greater than −10 and less than −3.
Oksi-84 [34.3K]

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sorry but imma destroy ya

Step-by-step explanation:

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3 years ago
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Answer:

$393.75

Step-by-step explanation:

cost of special background paint = $1.25 per square foot

Area of background = area of triangle + area of rectangle

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Hence area of background = 315 ft^2

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