2 years ago

Find the exact value of sec 3pi/2 If not defined, write undefined.

Mathematics

1 answer:

Olenka [21]2 years ago

6 0

Answer: Undefined

Step-by-step explanation:

Sec 3 $\pi$ /2 = 1/Cos(3 $\pi$ /2) = 1/0 = Undefined

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Write the equation y=4x+9 in standard form using integers.

rosijanka [135]

Answer:

$4x-y=-9$

Step-by-step explanation:

The standard form of an equation is when both variables, x & y, are on the same side of the equation with a number on the other side.

To transform this equation from slope-intercept form to standard form, just switch sides for the y and the 9 like follows.

$4x-y=-9$

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3 years ago

What does the equation 7x^2-3y^2-x+2y+4=0 represent

Romashka [77]

Answer:

Circle

Step-by-step explanation:

because a hyper bole is (y-k) 2b2 -(x-h) 2a2=1

ellipse is = (x-h) 2a2 + (y-k) 2b2 = 1

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2 years ago

What is the solution of 5sin2θ=3 for 0≤θ≤2π? Please help.

grigory [225]

Answer:

C) $\theta\approx\{0.3218,1.249,3.463,4.3908\}$

Step-by-step explanation:

$5\sin2\theta=3;\: 0\leq\theta\leq 2\pi\\\\\sin2\theta=\frac{3}{5}\\ \\2\theta\approx\{0.6436,2.498,6.926,8.7816\}\\\\\theta\approx\{0.3218,1.249,3.463,4.3908\}$

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2 years ago

Ke onda alv dame los answers

ddd [48]

Answer:

there's nothing here to answer

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3 years ago

I have to get this done bc its the last day of school fm. So please help me :)))

kobusy [5.1K]

Answer: it is the median

Step-by-step explanation:

5 0

1 year ago

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