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Slav-nsk [51]
3 years ago
11

The dollar value v (t) of a certain car model that is t

Mathematics
1 answer:
Yanka [14]3 years ago
7 0
Hdddddddgggggggggggggggg
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Find the range for the set of data.
Naddika [18.5K]

Answer:

64

Step-by-step explanation:

115 - 51 = 64

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3 years ago
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Math question #1 please show steps
-Dominant- [34]

Answer:

C

Step-by-step explanation:

An approximation of an integral is given by:

\displaystyle \int_a^bf(x)\, dx\approx \sum_{k=1}^nf(x_k)\Delta x\text{ where } \Delta x=\frac{b-a}{n}

First, find Δx. Our a = 2 and b = 8:

\displaystyle \Delta x=\frac{8-2}{n}=\frac{6}{n}

The left endpoint is modeled with:

x_k=a+\Delta x(k-1)

And the right endpoint is modeled with:

x_k=a+\Delta xk

Since we are using a Left Riemann Sum, we will use the first equation.

Our function is:

f(x)=\cos(x^2)

Therefore:

f(x_k)=\cos((a+\Delta x(k-1))^2)

By substitution:

\displaystyle f(x_k)=\cos((2+\frac{6}{n}(k-1))^2)

Putting it all together:

\displaystyle \int_2^8\cos(x^2)\, dx\approx \sum_{k=1}^{n}\Big(\cos((2+\frac{6}{n}(k-1))^2)\Big)\frac{6}{n}

Thus, our answer is C.

*Note: Not sure why they placed the exponent outside the cosine. Perhaps it was a typo. But C will most likely be the correct answer regardless.

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3 years ago
**URGENT I WILL MARK BRAINLIEST**
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It’s 50% in savings
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Do the following setm of lengths form a right triangle 36,77, 85
xxTIMURxx [149]

Answer:

They can make a right traingle because both sides of the equation are equal these lengths do form a right triangle.

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3 years ago
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What is the simplest form of
earnstyle [38]
The first one is 5c√10c/3d^3

The answer is: A, 5c√10c/3d^3

Hope this helps! :)
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