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never [62]
3 years ago
5

Guys please help with this question thanks

Mathematics
1 answer:
erastova [34]3 years ago
3 0
= 16 + 49 - 3(11)  - 4(10)
= 16 + 49 - 33 - 40
= -8
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The question is in picture below :)
allsm [11]

Answer:

Its D.

Step-by-step explanation:

All of the other answers don’t make sense and my gut it telling me that its D.

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Devi has a grid in the shape of a parallelogram. She has equilateral triangles with an area of 40 square millimeters that fit on
Ludmilka [50]

The area of the parallelogram is 26 × 10 = 260 cm^2 ;
The area of equilateral triangle is 0.4 cm^2 ;
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43÷43×321= can you help me with this ​
kykrilka [37]

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321

Step-by-step explanation:

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How to find the real number root of the negative square root of 36
Anna11 [10]
The real number of -√(36)<span>
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3 years ago
Integrate the following w.r.t x 1) 2x^2/3. <br>2) (5-x)^23<br>​
Kryger [21]

Answer:

A) \int\frac{2x^2}{3}dx=\frac{2x^3}{9}+C

B) \int(5-x)^{23}dx=-\frac{(5-x)^{24}}{24}+C

Step-by-step explanation:

A)

So we have the integral:

\int\frac{2x^2}{3}dx

First, remove the constant multiple:

=\frac{2}{3}\int x^2\dx

Use the power rule, where:

\int x^ndx=\frac{x^{n+1}}{x+1}

Therefore:

\frac{2}{3}\int x^2\dx\\=\frac{2}{3}(\frac{x^{2+1}}{2+1})

Simplify:

=\frac{2}{3}(\frac{x^{3}}{3})

And multiply:

=\frac{2x^3}{9}

And, finally, plus C:

=\frac{2x^3}{9}+C

B)

We have the integral:

\int(5-x)^{23}dx

To solve, we can use u-substitute.

Let u equal 5-x. Then:

u=5-x\\du=-1dx

So:

\int(5-x)^{23}dx\\=\int-u^{23}du

Move the negative outside:

=-\int u^{23}du

Power rule:

=-(\frac{u^{23+1}}{23+1})

Add:

=-(\frac{u^{24}}{24})

Substitute back 5-x:

=-(\frac{(5-x)^{24}}{24})

Constant of integration:

=-\frac{(5-x)^{24}}{24}+C

And we're done!

8 0
3 years ago
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