2 years ago

Evaluate y = 7x when x = -5

Mathematics

1 answer:

borishaifa [10]2 years ago

5 0

Answer:

-35

Step-by-step explanation:

7 x -5 = -35

hope this helped!! ^^

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Arisa [49]

It should be C., is that what the graph looks like?

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3 years ago

A semicircle has a diameter of 17.6 cm.

Ray Of Light [21]

Answer:

B. 45.23 cm

Step-by-step explanation:

perimeter of the figure

$=\frac{1}{2}\pi d+d$

$=\frac{1}{2}\times 3.14\times 17.6 +17.6$

$=\frac{1}{2}\times 55.264 +17.6$

$=27.632 +17.6$

$=45.232$

$=45.23\: cm$

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3 years ago

I don't quite understand this problem: 6+√44/2 (or 6 plus the square root of 44 over 2). I know the answer is 3+√11 (3 plus the

Sonja [21]

Does 2 is included in the square root?
sq.rt (44/2) ? or (sq.rt 44)/2

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3 years ago

Find the rectangular coordinates of the point with the polar coordinates (3, 3 divided by 2 pi ). (1 point)

kifflom [539]

Answer:

The correct choice is (0,-3)

Step-by-step explanation:

To convert from polar coordinates to rectangular coordinates, we use the parametric equations:

$x=r\cos \theta$ and $y=r\sin \theta$

The point given to us in polar coordinates is $(3,\frac{3}{2}\pi)$ .

where $r=3,\theta=\frac{3\pi}{2}$

$x=3\cos (\frac{3\pi}{2})$ and $y=3\sin( \frac{3\pi}{2})$

$x=3(0)$ and $y=3(-1)$

$x=0$ and $y=-3$

The correct choice is (0,-3)

5 0

3 years ago

Can someone help me with this? I’ll mark you brainliest

nirvana33 [79]

Answer:

sorry man can't help you with this one

8 0

2 years ago