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LuckyWell [14K]
2 years ago
10

I need help, can someone help me

Mathematics
1 answer:
Zarrin [17]2 years ago
4 0

Answer:

Yes, the price is proportionate. Every rose cost 3 dollars.

Step-by-step explanation:

1 rose * 3 dollars = 3

3 rose * 3 dollars = 9

6 rose * 3 dollars = 18

9 rose * 3 dollars = 27

12 rose * 3 dollars = 36

15 rose * 3 dollars = 45

Equation

R*3=P

OR

Number of roses* 3 dollars per rose = Prices (Dollars)

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Cosx=4/5 what is sin2x cos2x and tan2x
earnstyle [38]

Answer:

-24/5

Step-by-step explanation:

The solution to the problem is as follows:

cscx < 0 means 1/sinx < 0, or sinx < 0.  

sinx = -3/5 because you're dealing with a 3-4-5 triangle, and we established

sinx is negative.  

sin2x = 2sinxcosx = 2*-3/5*4/5 = -24/25  

cos(2x) = cos^2(x) - sin^2(x) = 16/25 - 9/25 = 5/25 = 1/5  

tan2x = sin2x / cos2x = -24/5

4 0
3 years ago
a right triangle has a 30o angle. the leg adjacent to the 30o angle measures 25 inches. what is the length of the other leg? rou
Marysya12 [62]
25 sq rt of 3 = 43.3

30 degrees = X 60 = X sq rt of 3. 90 degrees = 2x
8 0
3 years ago
Read 2 more answers
13. What is the value of x?
Scilla [17]

9514 1404 393

Answer:

  B.  50

Step-by-step explanation:

The alternate interior angles at transversal t across parallel lines AB and CD will be congruent.

  2x +40 = x +90

  x = 50 . . . . . . . . . . . subtract x+40

The value of x is 50.

_____

<em>Check</em>

2x+40 = 2×50 +40 = 140

x+90 = 50 +90 = 140 . . . . so the obtuse angles are congruent, as they should be

___

<em>Additional comment</em>

The lines AB and CD are not shown as being parallel. We have to assume they are, or we cannot work the problem.

5 0
3 years ago
Find three consecutive integers whose sum is six times the greater integer
Zepler [3.9K]
3 times 6 18 and do that 6 times add

4 0
3 years ago
I need help solving for y and ploting it in the graph
Ket [755]
Basically y would be whatever the number x is times 2, so -2 to the second power is -4, -1 to the second power is -1, 0 to the second power is 0, 1 to the second power is 1 and 2 to the second power is 4. now all you have to do is graph those points and you’re good!
8 0
2 years ago
Read 2 more answers
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