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VMariaS [17]
3 years ago
7

7. (1-3 and (4, -3) Formula: Slope:

Mathematics
1 answer:
maw [93]3 years ago
8 0

Answer:

Formula: y2-y1/x2-x1

Slope: -3/4

Step-by-step explanation:

-3-(-3/4)/4-1

=(-9/4)/3

= -3/4

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Plz help mee I am stuck
Nataliya [291]

Answer:

Step-by-step explanation:

The answer is in the problem just figure it out with the numbers and plug it in

3 0
3 years ago
Lim x→π/2 1-sinx/cot^2x<br>any genious help please ​
Simora [160]

Rewrite the limand as

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = (1 - sin(<em>x</em>)) / (cos²(<em>x</em>) / sin²(<em>x</em>))

… = ((1 - sin(<em>x</em>)) sin²(<em>x</em>)) / cos²(<em>x</em>)

Recall the Pythagorean identity,

sin²(<em>x</em>) + cos²(<em>x</em>) = 1

Then

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = ((1 - sin(<em>x</em>)) sin²(<em>x</em>)) / (1 - sin²(<em>x</em>))

Factorize the denominator; it's a difference of squares, so

1 - sin²(<em>x</em>) = (1 - sin(<em>x</em>)) (1 + sin(<em>x</em>))

Cancel the common factor of 1 - sin(<em>x</em>) in the numerator and denominator:

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = sin²(<em>x</em>) / (1 + sin(<em>x</em>))

Now the limand is continuous at <em>x</em> = <em>π</em>/2, so

\displaystyle\lim_{x\to\frac\pi2}\frac{1-\sin(x)}{\cot^2(x)}=\lim_{x\to\frac\pi2}\frac{\sin^2(x)}{1+\sin(x)}=\frac{\sin^2\left(\frac\pi2\right)}{1+\sin\left(\frac\pi2\right)}=\boxed{\frac12}

4 0
3 years ago
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Keith_Richards [23]

Answer:

Step-by-step explanation:

(4x-3)(2x²-7x+1)

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=8 x³-34 x²+25x-3

6 0
3 years ago
Is (x+2) a factor of<br> x - 4x2 + 2x - 32
Margarita [4]

Answer:

no

Step-by-step explanation:

x+2 can't be factor because of the -32

8 0
3 years ago
Michael has $12.50 to buy school supplies. He spends $3.49 at one store for a package of glue sticks, but he still needs to buy
kompoz [17]

Answer: Part A- $ 4.54

 

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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