In a group of 17 pupils, 2 play the flute only. 11 play the piano only. 1 plays neither instrument. A student is selected at random. What is the probability the student plays both instruments?

Answer:

h(x) = 3x - 6

Step-by-step explanation:

To find the inverse of a function, you have to switch the x- and y-values.

y = 1/3x + 2

x = 1/3y + 2

(x) - 2 = (1/3y + 2) - 2

x - 2 = 1/3y

(x - 2)(3) = (1/3y)(3)

3x - 6 = y

y = 3x - 6

Answer:

All of them

Step-by-step explanation:

2/2 is 1, and if the shaded part is 2/2, everything would be shaded.

Answer:

A, B, C, D

Step-by-step explanation:

2/2 is equivilant to 1. This means that to be equvilant to 2/2 the entire diagram would have to be shaded in.

Hope this helps! (Please consider giving brainliest)

Answer:

5x² + 10

Step-by-step explanation:

5(x² + 2)

= 5x² + 10

Answer:

B

Step-by-step explanation:

45-45-90 triangles have the ratio 1:1:sqrt(2) on their sides

20sqrt(2):20sqrt(2):20(2)/40 satisfies this ratio

Answer:

El soluccion es 20m.

Step-by-step explanation:

Para encontrar la base major necesitas saber el area, la altura, y el base menor.

Puedes usar la formula para la area de un trapecio: [tex]A=\frac{a+b}{2} *h[/tex]

Pero se puede cambiar por lo que es en términos de encontrar la base más grande:

[tex]b=2\frac{A}{h} -a\\A=Area\\h=altura\\a=base-menor\\b=base-major[/tex]

Y si conectas las variables que conoces, siempre podrás encontrar la que no tienes

[tex]b=2\frac{120}{8} -10\\b=20[/tex]

Answer:

-80cm/sec

Step-by-step explanation:

It is given that Joe was being exposed to an electro magnet shrinking machine.

Because of this his height started decreasing.

The decrease was at a constant rate per second is given.

In 1.5 seconds, the height decreased by 120 cm.

Since given as constant decrease per second we find that this is direct variation of height over second.

variation per second =

Change in each second would be with negative sign indicating decrease

Answer: -80cm

Step-by-step explanation: khan academy

Answer:

36 gallons

Step-by-step explanation:

y = 4/5x

Let x = 45 minutes

y = 4/5 (45)

y = 36 gallons

Answer:

B. 36

Step-by-step explanation:

Let x = 45

y = 4/5 * (45)

= 4 * 9

= 36

Hope this helps!

Answer:

D

Step-by-step explanation:

Tan graphs are a bit different to sin and cos graphs: they don't have an amplitude.

If you look at a tan graph, it exists between assymptotes and has no maximum or minimum value. In this case, the 2.5 acts similar to a dilation factor and makes the graph skinnier or wider.

You were right about the period: it is just pi, not 2 pi like sin and cos. Again, if you look at the graph, the assymptotes occur every period, which is only pi.

Hope that helped : )

Answer:

X=0 or x=-5

Step-by-step explanation:

[tex] {x}^{2} + 5x = 0 \\ x(x + 5) = 0[/tex]

X=0 or x+5=0 => X=-5

Hope this helps..

Answer:

35.06 meters

Step-by-step explanation:

This represents a right angled triangle.

The height of the kite above the ground represents the opposite side while the length of the string of the heather of the kite is the hypotenuse.

We need to find the hypotenuse, h.

We can use the sine part of the trigonometric function SOHCAHTOA:

sin(Ф) = opp / hyp

where opp is the side opposite the angle

hyp is the hypotenuse

=> sin(53) = 28 / h

h = 28 / sin(53)

h = 35.06 meters

The length of the string from the heather to the kite is 35.06 meters

Answer:

x=-42/5

Step-by-step explanation:

pls mark me as brainliest

x+7-8x/3=-5x/2

x+5x/2-8x/3=-7

(6x-16x+15x)/6=-7

5x=-42

x=-42/5

Answer:

We can see from the table that 1 km is exactly half way between 2 and 3 laps. So it will take 2.5 laps to run 1 km. So it takes Angel 5 minutes to run 1 km.

Step-by-step explanation:

Answer:

2000 ml of liquid

Step-by-step explanation:

1l plus 1l will equal 2l.

1 liter consists of 1000 milliliters ("milli" means thousand).

If 1l had 1000ml, 2l will have 2000ml.

So 2000mlnis the answer

Answer:

-1 |4  |-7|6

-6|5  |0 |3

8| -5|2 |-3

1|-2  |7 | -4

Hope this helps

Step-by-step explanation:

Answer:

Angles AXY and YXB are complementary angles because they add up to 90 degrees, which can be inferred by looking at angle BXC.

Answer:

This is biased.

Step-by-step explanation:

A used car lot tends to have cheaper cars, so people who can't afford brand new cars come here to buy used cars.

Answer:

it’s astrolabe

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Graphed below are all 5 graphs. The one in red is the original, but it cannot be seen because it is entirely concealed by the blue graph, or graph A. Since they are the same graph, they must share all characteristics, including a maximum value. Therefore, the correct answer is choice A. Hope this helps!

Answer:

-3(x - 1)^2+12

Step-by-step explanation:

Have a good day :)

Step-by-step explanation:

FÓRMULA:

[tex]144 m^{2}[/tex] = b(8 m)

SE DESPEJA

b = [tex]144 m^{2}[/tex]/8 m = 18 m

Answer:

198

Step-by-step explanation:

between 20 to 100 MEANS THAT WE EXCLUDE 20 AND 100

INTEGER IS POSITIVE AND NEGATIVE NUMBER WHICH IS 21 TO 199 FOR THIS QN WHICH IS 198 IN NUMBER

Answer:

hope this helps you

Answer:

What are the answer choices?

Step-by-step explanation:

Answer:

(1.) w could be 3/4

(2.) w could be 1

(7.)  w >1.5

Step-by-step explanation:

Answer:

The slope of the line is 5.

The point slope form of the line is y=5x+6.

Step-by-step explanation:

We can find the slope using this formula: [tex]\frac{y_{2} }{x_{2} } -\frac{y_{1} }{x_{1} }[/tex]

[tex]\frac{6}{0} -\frac{9}{-3} =[/tex]

[tex]\frac{6}{0} -(-\frac{9}{3} )=[/tex]

[tex]\frac{6}{0} +\frac{9}{3} =[/tex]

[tex]\frac{15}{3} =[/tex]

5

The slope of the line is 5.

To find point slope form, we use the equation y=mx+b where m is the slope and b is the y-intercept.

The y-intercept of this slope is 6 and the slope is 5 so we get, y=5x+6

Answer:

10

Step-by-step explanation:

Spinner divided to 5 equal parts

It is Numbered from (1 to 5): 1, 2, 3, 4, 5

Theoretical probability of spinning 1 = 1/5

Number of times it is spun = 50

Let Experimental probability of spinning 1 = x

1/5 = x/50

5x = 50

x = 50/5

x = 10

Experimental probability of spinning 1 = 10

Answer:

10

Step-by-step explanation:

[tex]y = - 2047 \\ x = - 10125[/tex]

Step-by-step explanation:

[tex]y = 2x + 3 \\ x = - 2 - 10123 \\ x = - 10125 \\ y = 2( - 10125) + 3 \\ y = - 20520 + 3 \\ y = - 20247[/tex]

Answer:

329.31

Step-by-step explanation:

The total percentage we have to add is

5+7+1+ .75 =13.75 %

Take the cost of the ticket and multiply by the percentage

289.50 * 13.75%

Change to decimal form

289.50* .1375

39.80625

Rounding to the nearest cent

39.81

Add this to the cost of the ticket

289.50+39.81

329.31

Answer:

C

Step-by-step explanation:

-4d is greater or equal to -12

d is less  than  or equal to 3

Answer:

c

Step-by-step explanation:

c is the answer

Answer:Examples of Spiral Movement are:

Step-by-step explanation:

1)Cyclone

2)Spiral fern

The examples of a spiral motion include cyclone, motion of electron in uniform magnetic field.

The path of a point in a plane moving around a central point while continuously receding from or approaching it.

Given is a spiral motion.

The examples of a spiral motion include cyclone, motion of electron in uniform magnetic field.

Therefore, the examples of a spiral motion include cyclone, motion of electron in uniform magnetic field.

To solve more questions on spiral motion, visit the link below -

https://brainly.com/question/11020427

#SPJ2

Step-by-step explanation:

a) 200,000 equals 2 times 10^5

b) 80,000 equals 8 times 10^4

c) 900,000,000 equals 9 times 10^8

d) 1,000,000,000 equals 1 times 10^9