2 years ago

A 24 oz of cornflakes costs 4.59

Mathematics

1 answer:

Solnce55 [7]2 years ago

6 0

That’s true idk really what your asking but that’s true lol

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What and which at time are the maximum and minimum speeds in this function?

Svetach [21]

Answer:

the maximum is 12000 and the minimum is 0

Step-by-step explanation:

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3 years ago

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Please help me <br><br>If 180°<α<270°, cos⁡ α=−8/17, what is sin -α?

rewona [7]

Starting from the fundamental trigonometric equation, we have

$\cos^2(\alpha)+\sin^2(\alpha)=1 \iff \sin(\alpha)=\pm\sqrt{1-\cos^2(\alpha)}$

Since $180$ , we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have

$\sin(\alpha)=-\sqrt{1-\cos^2(\alpha)}$

Plugging the numbers, we have

$\sin(\alpha)=-\sqrt{1-\dfrac{64}{289}}=-\sqrt{\dfrac{225}{289}}=-\dfrac{15}{17}$

Now, just recall that

$\sin(-\alpha)=-\sin(\alpha)$

to deduce

$\sin(-\alpha)=-\sin(\alpha)=-\left(-\dfrac{15}{17}\right)=\dfrac{15}{17}$

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3 years ago

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Select all of the linear transformations from R3 to R3 that are invertible. A. Projection onto the xy-plane B. Reflection in the

sergeinik [125]

Answer: . Rotation about the y-axis by π

Step-by-step explanation:

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3 years ago

What is the area of the trapezoid shown below?

Olin [163]

Answer:

78 sqr units

Step-by-step explanation:

Use the Pythagorean Theorem to help find the base opposite the two.

The base of the second parallel line is sqrt( (15^2) - (12^2) ) = sqrt(81) = 9

The second base = 9 + 2 = 11

Area = (b1 + b2)*h/2

h = 12

b1 = 2

b2 = 11

h = 12

Area = (11 + 2)*12/2

Area = 13 * 12/2

Area = 78 square units

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3 years ago

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meriva

Answer:

67.38

Step-by-step explanation:

SinX=opp/hyp

Angles then arcsin

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