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nlexa [21]
3 years ago
8

Solve the equation if 0º≤x≤360º cos x=- 1/2

Mathematics
1 answer:
frutty [35]3 years ago
8 0

Answer:

The answer is D

Step-by-step explanation:

Check the unit circle and the ones with x's that equal -1/2 are the ones you are looking for.

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Pls help , need this done by tomorrow.
quester [9]

Answer:

Q matches to a and P matches to b

Step-by-step explanation:

This is a volume question so we can use the volume of a cylinder to see which one corresponds to what.  Volume of a cylinder is \pir^{2}h.  We know that the heights of the cylinders are the same since the diagram says so.  We also know pi is the same since thats a constant.  The only thing thats different is the radius (as you can see radius of P is bigger than Q).  If the radius of P is bigger than Q and all the other things are the same (height is the same and pi is the same), then that automatically means that P has more volume than Q.  More volume means more time to fill up.  Since Q has less volume, it will take less time to fill up.  So now we look at the graph.  A shows that the height of water increases at a faster rate than that of B.  This is because there is less volume in that container (less volume=less time to fill up).  Therefore a matches to Q and therefore b matches to P

3 0
3 years ago
Find the value of the x
Bingel [31]

Answer:

answer is 103

Step-by-step explanation:

25+52+x=180

x=77

subtract 180 - 77 = 103

answer is 103

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8 0
3 years ago
Solve for z. Please show your work. 8z = 2z + 18
Nataly_w [17]

Answer:

x = 3

Step-by-step explanation:

8z = 2x + 18

6x = 18

x = 3

4 0
3 years ago
Read 2 more answers
The diameter of an insect cell is 1.7 × 10–11 meter. Ariel wants to find the length of the radius of the cell. If she performs t
Juli2301 [7.4K]

Answer:

8.5E-12

Step-by-step explanation:

According to the Question,

Given That, The diameter of an insect cell is 1.7 × 10^-11 meters.

Ariel wants to find the length of the radius of the cell. Radius Is Half of the Diameter.

  • Thus, R = D/2   ⇒  (1.7*10^-11)/2 = 0.85× 10^-11
  • If she performs the calculations on her calculator is 8.5E-12.
6 0
3 years ago
(5f − 3) (–2) <br><br> help me plz lolz
Marat540 [252]

Answer:

Step-by-step explanation:

(5f-3)(-2)

-10f + 6 = 0

f= 6 + 10

f = 16

7 0
2 years ago
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