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2 years ago

What is the standard form of y-7=-2(x+1)

Mathematics

1 answer:

densk [106]2 years ago

7 0

The standard form is 2x+y=5

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Solve for x in the given interval.<br><br> sec x= -2√3/3, for π/2 ≤x≤π

drek231 [11]

Answer:

b. $x=\frac{5\pi}{6}$

Step-by-step explanation:

The given function is

$\sec x=-\frac{2\sqrt{3} }{3},\:\:for\:\:\frac{\pi}{2}\le x \le \pi$

Recall that the reciprocal of the cosine ratio is the secant ratio.

This implies that;

$\frac{1}{\cos x}=-\frac{2\sqrt{3} }{3}$

$\Rightarrow \cos x=-\frac{3}{2\sqrt{3} }$

$\Rightarrow \cos x=-\frac{\sqrt{3}}{2}$

We take the inverse cosine of both sides to obtain;

$x=\cos^{-1}(-\frac{\sqrt{3}}{2})$

$x=\frac{5\pi}{6}$

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2 years ago

How can you identify the y intercept on a graph?

Veseljchak [2.6K]

Answer:

Is there a graph that goes with this question by chance?

Step-by-step explanation:

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1 year ago

What ratio can you use to determine the probability of a compound event?

maria [59]

Answer:

Step-by-step explanation:

Favorable outcome. To possible outcome

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2 years ago

2(x + 2) + 3z = 2(x + 1) +1

Oxana [17]

Answer:

Answer:x=

−3z−1

Step-by-step explanation:x=

Step 1: Add -2x to both sides.

2x+3z+4+−2x=2x+3+−2x

3z+4=3

Step 2: Add -3z to both sides.

3z+4+−3z=3+−3z

4=−3z+3

Step 3: Add -4 to both sides.

4+−4=−3z+3+−4

0=−3z−1

Step 4: Divide both sides by 0.

−3z−1

6 0

2 years ago

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Va rog repedeeee și corect

otez555 [7]

Answer:

discupa eu não sei

um belo dia abençoado

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2 years ago

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