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nekit [7.7K]
3 years ago
13

Find the value of x so that the function has the given value. 2(x) = 2x + 7; n(x) = 17​

Mathematics
1 answer:
Galina-37 [17]3 years ago
7 0

Answer:

  x = 5

Step-by-step explanation:

Maybe you have ...

  n(x) = 2x +7

and you want x for n(x) = 17.

  17 = 2x +7

  10 = 2x . . . . . . subtract 7

  5 = x . . . . . . . . divide by 2

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What is the distance between 5,-6 and 5,6
ira [324]

Answer: 12

Step-by-step explanation:

I will assume those are coordinates.

The distance between 2 points is given by  √ (x2 − x1)^2 + (y2 − y1)^2.

Replacing the values, we get  √ (5 − 5)^2 + (6 − -6)^2 =  √0+144 = 12

5 0
2 years ago
The magnitude of the resultant vector shown is _____.
Flura [38]

Answer:

  2√3

Step-by-step explanation:

You recognize this as a 30°-60°-90° triangle, so you know the hypotenuse (R) is twice the length of the shortest side (√3).

The magnitude of R is 2√3.

_____

In case you haven't memorized the ratios for a 30°-60°-90° triangle, you can use trigonometry and the fact that ...

  Sin = Opposite/Hypotenuse

  sin(30°) = √3/R

  R = √3/sin(30°) = √3/(1/2) = 2√3

Of course, doing this on your calculator will give a numerical answer, which you may not want.

6 0
2 years ago
What is the difference between a square and a rectangle? A) A square is a parallelogram and a rectangle is not. B) A square has
Sholpan [36]
The answer to this question is B
5 0
3 years ago
Please help me on this
umka2103 [35]

Answer:

YZ = 8.5

Step-by-step explanation:

Since RY is an angle bisector then the ratio of the sides of the triangle are equal to the corresponding ratio of the base, that is

\frac{YX}{YZ} = \frac{XR}{ZR} , substitute values

\frac{11.9}{YZ} = \frac{7}{5} ( cross- multiply )

7YZ = 59.5 ( divide both sides by 7 )

YZ = 8.5

7 0
3 years ago
A recipe for salad dressing uses 60mL of vinegar for 240mL of oil. Emily has 40mL of vinegar,how much should she use? Show your
soldier1979 [14.2K]

Answer:

Emily should use 160mL of oil

Step-by-step explanation:

If you only have 40mL of vinegar you would have to cut the recipe by 1.5

60/1.5=40

240/1.5=160

4 0
3 years ago
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