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Paha777 [63]
2 years ago
11

3) Mr. Wright is going to do an experiment and needs a volunteer r. Josh, Eddie, Jordan, Brent, Alice, Betsy, and Marcus all wan

t to be the volunteer. a) What is the probability of him choosing a boy?​
Mathematics
1 answer:
Zina [86]2 years ago
5 0
Ok there is 7 students in total… the ratio of boys to girls is 5 to 2, so 5 divided by 7 is 0.714%
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If 11.85 is an option then its it

Step-by-step explanation:

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3 years ago
Which function is a quadratic function? u(x) = –x 3x2 – 8 v(x) = 2x2 8x3 9x y(x) = x2 3x5 4 z(x) = 7x2 2x3 – 3.
Komok [63]

The function u(x)=-x+3x^{2} -8 is a quadratic function due to the highest exponent being 2.

Given functions are:

u(x)=-x+3x^{2} -8

v(x)=2x^{2} +8x^3+9x

y(x)=x^{2} +3x^5+4

z(x) =7x^{2} +2x^3-3

<h3>What is a quadratic function?</h3>

A function of the form f(x)=ax^{2} +bx+c with a\neq 0 is called a quadratic function means the highest exponent of polynomial should be 2.

Let us check one by one.

u(x)=-x+3x^{2} -8

Highest exponent =2

The function is also of form f(x)=ax^{2} +bx+c so u(x) is a quadratic function.

The functions v(x), y(x), and z(x) are having highest exponents as 3,5, and 3 respectively so they are not quadratic functions.

Hence, the function u(x)=-x+3x^{2} -8 is a quadratic function due to the highest exponent being 2.

To get more about quadratic functions visit:

brainly.com/question/1214333

7 0
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Can 11yd 15yd and 27yd be measured
Wittaler [7]

Answer:

yeah but it depends on what your measuring

have a good day :)

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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