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Eduardwww [97]
3 years ago
7

llyssa and Mark conducted an experiment with two identical spinners that each contain 4 colors. They spun both spinners and reco

rded the outcomes. They repeated the experlment 50 times. The results are shown in the table. Colors Frequency 5 both red 1 red and 1 green 6 1 red and 1 blue 4 1 red and I yellow 5 both green 6 5 I green and 1 blue 1 green and I yellow 5 both blue 5 4 1 blue and 1 yellow both yellow 5 Based on the data, what is the probability that the next outcome will be 1 red and 1 blue? OA. 25 O c. 1 10 OB. 23 OD.​
Mathematics
1 answer:
pychu [463]3 years ago
7 0

Answer:

Step-by-step explanation:

Answer is a 2/25

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William has been contracted to paint a school classroom. The classroom is 20 m long, 15 m wide and 5 m high. There are four wind
valina [46]

Answer:

Step-by-step explanation:

l -> length

b -> width

h -> height

Find the area of four walls and ceiling. then subtract the area of four windows and a door form that area.

Area of four walls + <u>ceiling</u> = 2( lh + bh) +<u>lb</u>

 = 2*(20*5 + 15*5) + 20*15

= 2( 100 + 75) + 300

= 2* 175 + 300

= 350 +300

= 650 sq m

Area of window = 2 *3 = 6 sq.m

Area of four windows = 4*6 = 24 sq.m

Area of door = 2 * 1 =  2 sq.m

Area of four walls excluding 4 windows and door = 650 - 24 - 2 = 624 sq.m

Cost of painting = 624 * 6.50

                          = $ 4056

3 0
3 years ago
Read 2 more answers
Arte these examples of commutative, Associative or Distributive property?I
valentinak56 [21]

Answer:

both these equations are the examples of associative property.

#1 is the example of associative property with respect to multiplication.

#2 is the example of associative property with respect to addition.

8 0
3 years ago
The vector ab has a magnitude of 20 units and is parallel to the<br> vector 4i + 3j.<br> find ab.
stepladder [879]

The vector ab has a magnitude of 20 units and is parallel to the

vector 4i + 3j. Hence, The vector AB is 16i + 12j.

<h3>How to find the vector?</h3>

If we have given a vector v of initial point A and terminal point B

v = ai + bj

then the components form as;

AB = xi + yj

Here, xi and yj are the components of the vector.

Given;

The vector ab has a magnitude of 20 units and is parallel to the

vector 4i + 3j.

magnitude

\sqrt{4^2 + 3^2} \\\\\sqrt{16 + 9} \\\\= 5

Unit vector in direction of resultant = (4i + 3j) / 5

Vector of magnitude 20 unit in direction of the resultant

= 20  x (4i + 3j) / 5

= 4 x (4i + 3j)

= 16i + 12j

Hence, The vector AB is 16i + 12j.

Learn more about vectors;

brainly.com/question/12500691

#SPJ1

7 0
1 year ago
An angle less than 90 degrees ​
OverLord2011 [107]

Answer:

<u>Acute Angle</u>

Step-by-step explanation:

<u>Obtuse Angle</u> is greater than 90 degrees

<u>Right Angle</u> is exactly 90 degrees

<u>Acute Angle</u> is less than 90 degrees

5 0
3 years ago
PLZ HELP!!
ludmilkaskok [199]

9514 1404 393

Answer:

  y = -3x^2 -9x +30

Step-by-step explanation:

When a polynomial has a zero at x=p, it has a factor of (x -p). The factors of your quadratic are ...

  f(x) = (x +5)(x -2)

At the point x=3, the value of this product is ...

  f(3) = (3 +5)(3 -2) = (8)(1) = 8

In order for that value to be -24, it needs to be multiplied by a scale factor of -3. The quadratic you want is ...

  y = -3(x +5)(x -2)

  y = -3x^2 -9x +30 . . . . . standard form

3 0
2 years ago
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