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Sergio [31]
2 years ago
14

The table shows the results of an experiment in which the spinner shown above was spun 50 times. Find the experimental probabili

ty of each outcome.
not shaded
Mathematics
1 answer:
torisob [31]2 years ago
5 0

Answer:

P(x < 4) = \frac{9}{50}

Step-by-step explanation:

Given

n(S) = 50

See attachment for distribution

Required

P(x < 4)

This is calculated as:

P(x < 4) = \frac{n(1) + n(2) + n(3)}{n(S)}

Using the data on the frequency distribution table, we have:

P(x < 4) = \frac{4 + 2 + 3}{50}

P(x < 4) = \frac{9}{50}

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Cory writes the polynomial x7 3x5 3x 1. Melissa writes the polynomial x7 5x 10. Is there a difference between the degree of the
bagirrra123 [75]

Degree of a polynomial gives the highest power of its terms. Yes there is a difference between the degrees of sum and difference of the polynomials.

<h3>What is degree of a polynomial?</h3>

Degree of a polynomial is the highest power that its terms pertain(for multi-variables, the power of term is addition of power of variables in that term).

Thus, in x^3 + 3x^2 + 5, the degree of the polynomial is 3 as the highest power in its terms is 3.

(power and exponent are same thing)

<h3>What are like terms?</h3>

Those terms which have same variables raised with same powers.

For example, x^3 and 3x^3  are like terms since variable is same, and it is raised to same power 3.

For example 4x^2 and x^3 are not like terms as the variables are same but powers aren't same.

The given polynomials are:

c(x) = x^7 + 3x^5 + 3x + 1\\\\p(x) = x^7 + 5x + 10

Their sum is

c(x) + p(x)  = x^7 + 3x^5 + 3x + 1 + x^7 + 5x + 10 = (1+1)x^7 + 3x^5 + (3+5)x + 11\\\\c(x) + p(x) = 2x^7 + 3x^5 + 8x + 11

(only like terms' coefficients can be added (or subtracted) for addition or subtraction of them )

The sum's degree is 7

Their difference is:

c(x) - p(x) = x^7 + 3x^5 + 3x + 1 - x^7 -5x - 10 = (1-1)x^7 + 3x^5  +(3-5)x -9\\\\c(x) - p(x) = 3x^5 - 2x - 9

Difference's degree is 5

Thus, both's degrees are not same.

Thus, Yes there is a difference between the degrees of sum and difference of the polynomials.

Learn more about subtraction of polynomials here:

brainly.com/question/9351663

4 0
2 years ago
Find the percentage based upon 400 people in the survey. 16%
MA_775_DIABLO [31]
To find a percentage, you the decimal point in the percent two places to the right 16% = 0.16. Then multiply.

0.16 • 400 = 64

16% of 400 = 64 
3 0
3 years ago
What does the point (1, 18) represent?
Zarrin [17]

Answer:

1 on the x axis, and 18 on the y axis

Step-by-step explanation:

4 0
3 years ago
What percent of 88 is 33?
Ostrovityanka [42]

Answer:

37.5

Step-by-step explanation:

7 0
3 years ago
On a cold January morning, the radiator fluid in Christine’s truck is –13°F. With the engine on, the temperature goes up by 3.6°
faust18 [17]

Answer:

It will take 17.5 minutes to reach 50 degrees F.

Step-by-step explanation:

Current temperature = -13 degrees F

With the engine on, the temperature goes up by 3.6°F per minute.

Let us assume that it takes x minutes to reach 50 degrees F.

So, the time taken will be =

-13+3.6(x)=50

=> 3.6x=50+13

=> 3.6x=63

x = 17.5 minutes

The expression that tells how much the temperature needs to change from -13°F to 50°F is : -13+3.6(x)=50

It will take 17.5 minutes to reach 50 degrees F.

5 0
3 years ago
Read 2 more answers
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