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My name is Ann [436]
3 years ago
9

What is the probability of getting. Either blue or green on a spinner that is 3/10 green and 1/5 blue

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
7 0

Answer:

The probability is \frac{1}{2}

Step-by-step explanation:

Given,

The portion of the green in the spinner = \frac{3}{10}

So, the probability of green = \frac{3}{10},

While, portion of the blue in the spinner = \frac{1}{5}

So, the probability of blue = \frac{1}{5}

Thus, the probability of getting either blue or green on the spinner = probability of green + probability of blue

=\frac{3}{10}+\frac{1}{5}

=\frac{3+2}{10}

=\frac{5}{10}

=\frac{1}{2}

densk [106]3 years ago
4 0
The probability is 1/2.

Hope this helps and please make mine the Brainliest answer!
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Given: f(x) = x - 7 and h(x) = 2x + 3
Kisachek [45]

Answer:

2nd option

Step-by-step explanation:

to find f(h(x)) substitute x = h(x) into f(x) , that is

f(h(x))

= f(2x + 3)

= 2x + 3 - 7

= 2x - 4

3 0
1 year ago
What is the equation in slope-intercept form of the linear function represented by the table?
umka2103 [35]

Answer:

y = -x + 9

Step-by-step explanation:

You are given (-5,14), (-2,11), (1,8), and (4,5).  Your first objective is to find the slope.

Slope is delta y divided by delta x - the amount of height the graph gains divided by the amount of horizontal length the graph gains.  Take any two points and plug it into this: \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

i.e. (-2,11) and (4,5): \frac{11-5}{-2-4} which is \frac{6}{-6}, or -1.  Thus, the slope is -1.

We now have y = -1(x) + b, or just y = -x + b.

Next, find the y-intercept.  Set the value of x to 0, as the y-intercept is found along the y-axis, which is at the horizontal center of the graph, 0.  We now know that the y-intercept is (0,y).  To find the y-value, plug one of the coordinate pairs of choice into x and y.

i.e. (-5,14): 14 = (-1)(-5) + b

14 = 5 + b

14 - 5 = 5 + b - 5

9 = b

So, the y-intercept is (0,9).

Finally, the equation is:

y = -x + 9

7 0
2 years ago
A drawer is filled with 9 black shirts, 6 white shirts, and 5 gray shirts.
Lesechka [4]

Answer:

The probability is 1/20 or 5 %

Step-by-step explanation:

1). First, how many shirts there are in the drawer?

  9 + 6 + 5 = 20 shirts

2). Since we are choosing 1 shirt out of 20, then the probability will be 1/20 or 5%.

Hope this helpsss))

7 0
3 years ago
N is the sum of three consecutive primes and is also the product of two 2-digit primes, what is the least possible value of N
Nookie1986 [14]

Hello from MrBillDoesMath!

Answer:   N = 143

Discussion:

This one took some trial and error! At first I listed all 2 digit primes, looked at the list, but didn't know how to proceed. So, I took the smallest 2 digit primes numbers:  11 and 13 and wondered if their product, 13*11 = 143, could be represented as the sum of  3 consecutive primes.   I went back to my list of primes,  added groups of three consecutive numbers that seemed to be in the right range to give the desired sum, and stumbled on  43, 47, and 53!

43 + 47 + 53 =  143 !


Therefore N = 143. It's the sum of 43, 47, and 53 as well as the product of 11 and 13.


Thank you,

MrB


7 0
3 years ago
Aiden put two-fifths of his Money into his piggy bank. He had $15 left in his pocket to buy a toy. How much money did aiden have
Travka [436]

Answer:25

Step-by-step explanation:

15x 2/5=25

5 0
3 years ago
Read 2 more answers
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