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sergij07 [2.7K]
3 years ago
9

Six times a number increased by 9

Mathematics
2 answers:
Gala2k [10]3 years ago
7 0
6x+9 is the answer to the question
yulyashka [42]3 years ago
5 0
6x+9 is the answer to the question

the other answer 3x-7
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The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?
Nastasia [14]
Y - 3 = 5(x - 4)
y - 3 = 5x - 20
y = 5x - 20 + 3 = 5x - 17
=> slope = 5

For perpendicular line, m2 = -1/m1 = -1/5
5 0
3 years ago
Read 2 more answers
Solve fro the Equation below:<br><br> 7+2(x-3)=-3(x+1)-4
tester [92]
7 + 2x - 6 = -3x - 3 - 4
2x + 1 = -3x - 3 - 4
2x + 1 = -3x - 7
2x + 1 + 3x = -7
5x + 1 = -7
5x = -7 - 1
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x = -8/5.
4 0
3 years ago
AP CALC 98 POINTS!!!!!!
bekas [8.4K]

Looking at this question again, I don't understand why you're told "for y=11". That doesn't seem relevant at all... So you can disregard the answer I posted a few minutes ago on your other question.

a) With x^2=-2+y+5\cos y, differentiate both sides with respect to x to get

2x=\dfrac{\mathrm dy}{\mathrm dx}-5\sin y\dfrac{\mathrm dy}{\mathrm dx}

\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2x}{1-5\sin y}

b) The point P occurs at x=2, which corresponds to a y-coordinate of

4=-2+y+5\cos y\implies y\approx4.928

The slope of the line tangent to this point is approximately

\dfrac{\mathrm dy}{\mathrm dx}\approx\dfrac{2(2)}{1-5\sin(4.928)}\approx0.68

so the equation of the tangent line is approximately

y-4.928=0.68(x-2)\implies y=0.68x+3.57

c) The tangent line to the graphed curve is vertical when \dfrac{\mathrm dy}{\mathrm dx} is undefined. This happens when 1-5\sin y=0, or y=\pi-\sin^{-1}\dfrac15+2n\pi and y=\sin^{-1}\dfrac15+2n\pi where n is any integer.

In case you're not sure where the general solution came from: We have

\sin y=\dfrac15

which has an infinite number of solutions. \sin^{-1}\dfrac15 is one of them, which we obtain by taking the inverse sine of both sides of this equation. Since \sin(\pi-x)=\sin x, we also know that \pi-\sin^{-1}\dfrac15 is a solution. And since \sin(x+2n\pi)=\sin x for integers n, we also know that we can add any multiple of 2\pi to these two solutions to get infinitely more solutions.

3 0
3 years ago
3+-1/1/3 the first half is 3+-1 the second half is 1/3
kolbaska11 [484]
\bf \cfrac{3\pm1}{\frac{1}{3}}\implies &#10;\begin{cases}&#10;\cfrac{3+1}{\frac{1}{3}}\\\\&#10;\cfrac{3-1}{\frac{1}{3}}&#10;\end{cases}\\\\&#10;-------------------------------\\\\

\bf \cfrac{3+1}{\frac{1}{3}}\implies \cfrac{4}{\frac{1}{3}}\implies \cfrac{\frac{4}{1}}{\frac{1}{3}}\implies \cfrac{4}{1}\cdot \cfrac{3}{1}\implies \cfrac{4\cdot 3}{1\cdot 1}\implies \cfrac{12}{1}\implies \boxed{12}&#10;\\\\\\&#10;\cfrac{3-1}{\frac{1}{3}}\implies \cfrac{2}{\frac{1}{3}}\implies \cfrac{\frac{2}{1}}{\frac{1}{3}}\implies \cfrac{2}{1}\cdot \cfrac{3}{1}\implies \cfrac{2\cdot 3}{1\cdot 1}\implies \cfrac{6}{1}\implies \boxed{6}
6 0
3 years ago
Find the next two terms in the sequence. 0,1,4,9. . . A.13,18 B,16,25 C.13,17 D.16,23
sukhopar [10]
A. 13,18 is the answer for this question. Because the next terms added by 3..
7 0
3 years ago
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