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3 years ago

Which expression is another way to write the expression shown here

Mathematics

1 answer:

nordsb [41]3 years ago

7 0

Answer:

5(a+b+c+d)

Step-by-step explanation:

this is correct another way of writing this expression

because 5 is common to all and we can put it out

hope it helps

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The average value of a function f over the interval [−2,3] is −6 , and the average value of f over the interval [3,5] is 20. Wha

Xelga [282]

Answer:

The average value of $f$ over the interval $[-2,5]$ is $\frac{10}{7}$ .

Step-by-step explanation:

Let suppose that function $f$ is continuous and integrable in the given intervals, by integral definition of average we have that:

$\frac{1}{3-(-2)} \int\limits^{3}_{-2} {f(x)} \, dx = -6$ (1)

$\frac{1}{5-3} \int\limits^{5}_{3} {f(x)} \, dx = 20$ (2)

By Fundamental Theorems of Calculus we expand both expressions:

$\frac{F(3)-F(-2)}{3-(-2)} = -6$

$F(3) - F(-2) = -30$ (1b)

$\frac{F(5)-F(3)}{5-3} = 20$

$F(5) - F(3) = 40$ (2b)

We obtain the average value of $f$ over the interval $[-2, 5]$ by algebraic handling:

$F(5) - F(3) +[F(3)-F(-2)] = 40 + (-30)$

$F(5) - F(-2) = 10$

$\frac{F(5)-F(-2)}{5-(-2)} = \frac{10}{5-(-2)}$

$\bar f = \frac{10}{7}$

The average value of $f$ over the interval $[-2,5]$ is $\frac{10}{7}$ .

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3 years ago

A charity is planning to raffle off a new car donated by a local car dealer. The charity wants to raise at least 65,000. It expe

MariettaO [177]

Answer:

they can sell 2000 tickets each ticket is worth 29.15

Step-by-step explanation:

65,000 - 5000 - 1700 = 58300

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4 years ago

Solve for p: a = 2πpw

MaRussiya [10]

Hello there.

Solve for p: a = 2πpw

 $\frac{a}{6.283185w
}$

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3 years ago

How do i find 6.2(-0.3)

Marta_Voda [28]

Step-by-step explanation:

6.2(-0.3)

means,6.2×-0.3

-1.86

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

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3 years ago

Can someone please hep me with this question Jordan is proofreading his personal narrative.

charle [14.2K]

Answer:

When proofreading, you should make sure all details are accurate and writing mechanics are correctly used.

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4 years ago