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sineoko [7]
2 years ago
8

Could i get some help 14m+2n-5(m-4n)-6n

Mathematics
1 answer:
frosja888 [35]2 years ago
3 0

Answer:

9m + 16n

Step-by-step explanation:

14m+2n-5m+20m-6n

9m+2n+20n-6n

add like variable

9m + 16n

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What is the area of the following figure?
Snowcat [4.5K]

Answer:

16.56‬

Step-by-step explanation:

The area of the square is 2 × 2

The area of the circle is-

A=πr²

A=3.14 × 2²

A=3.14 × 4

A=12.56

You don't need to divide it by half because there are two half circles so it would be a whole circle

12.56 + 4 = 16.56

Sorry if it is wrong

7 0
3 years ago
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Which is the graph of the function f(x) = x2 + 2x – 6? Mark this and return
valina [46]
Vertex: ( -1, -7 )

Focus: ( -1, -27/4 )

Axis of Symmetry: x = -1

Directrix: y = -29/4


X | Y
———
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-1 | -7
0 | -6
1 | -3

6 0
3 years ago
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How is the graph of g(x) = <img src="https://tex.z-dn.net/?f=%28x-10%29%5E%7B2%7D" id="TexFormula1" title="(x-10)^{2}" alt="(x-1
seropon [69]

(x - 10)² is the graph x² by translation of 10 units moved to the right.

5 0
3 years ago
Find sin(2x), cos(2x), and tan(2x) from the given information.<br> tan(x) = − 1/2 , cos(x) &gt; 0
vodomira [7]

Answer:

  • sin(2x) = -4/5
  • cos(2x) = 3/5
  • tan(2x) = -4/3

Step-by-step explanation:

It may be easiest to start with tan(2x).

  tan(2x) = 2tan(x)/(1 -tan(x)²)

  tan(2x) = 2(-1/2)/(1 -(-1/2)²) = -1/(3/4)

  tan(2x) = -4/3 . . . . . still a 4th-quadrant angle

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Then cosine can be found from ...

  cos(2x) = 1/√(tan(2x)² +1) = 1/√((-4/3)²+1) = √(9/25)

  cos(2x) = 3/5

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Sine can be found from these two:

  sin(2x) = cos(2x)tan(2x) = (3/5)(-4/3)

  sin(2x) = -4/5

5 0
3 years ago
Cherries cost $4.99 per pound. If Lacey buys 3.5 pounds, how much will she pay for the cherries?
Vladimir79 [104]
It would $17.47. if you times $4.99 by 3.5 pounds of cherries then your answer will be $17.47
4 0
3 years ago
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