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gregori [183]
3 years ago
13

A fair spinner has 9 equal sections: 4 red, 3 blue and 2 green.

Mathematics
1 answer:
Gennadij [26K]3 years ago
6 0

Answer:

14/81

Step-by-step explanation:

The probability of getting a green is number of green sections ÷ total number of sections = 2/4+3+2 = 2/9

Probability of not getting a green is = 1 - probability of getting a green = 1 - 2/9 = 7/9

Now we calculate the probability of not getting 2 consecutive greens. I.e probability of getting a green the first time and not getting it the second time= (2/9 × 7/9) = 14/81

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jeremy drew a polygon with four right angles and four sides with the same length.what kind of polygon did jeremy draw?
FromTheMoon [43]
A square has 4 right angels and 4 sides with equal angels ;)
8 0
3 years ago
Given the functions, fx) = x - 8 and g(x) = x2 + x - 1, perform the indicated operation. When applicable, state the domain
adell [148]

Answer:

A

Step-by-step explanation:

(fg)(x) = f(x) × g(x)

= (x - 8)(x² + x - 1)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² + x - 1) - 8(x² + x - 1) ← distribute both parenthesis

= x³ + x² - x - 8x² - 8x + 8 ← collect like terms

= x³ - 7x² - 9x + 8 → A

There are no restrictions on the domain.

4 0
3 years ago
What is 9.286 as a mixed number
marshall27 [118]
9.286 

[To change to mixed number, count the number of digits after the decimal point. There are 3 digits, so the denominator will be 1000]

9.286 = 9 \frac{286}{1000}

Then we simplify the fraction
(286 ÷ 2)/(1000÷2) = 143/500

Therefore,
9.286 = 9 \frac{286}{1000}
9.286 = 9 \frac{143}{500}

8 0
3 years ago
Read 2 more answers
State the Limits Rule and explain what it means
Evgen [1.6K]

Answer:

The limit of a sum is equal to the sum of the limits.

Step-by-step explanation:

The limits of a constant times a function is equal to the constant times the limit of the function.

4 0
3 years ago
Rewrite the quadratic function in vertex form.<br> Y=3x^2-12x+4
chubhunter [2.5K]

Answer:

\large\boxed{y=3(x-2)^2-8}

Step-by-step explanation:

The vertex form of an equation of a parabola y = ax² + bx + c:

f(x)=a(x-h)^2+k

(h, k) - vertex

h=\dfrac{-b}{2a},\ k=f(h)

We have the equation:

y=3x^2-12x+4\\\\a=3,\ b=-12,\ c=4

Substitute:

h=\dfrac{-(-12)}{2(3)}=\dfrac{12}{6}=2\\\\k=f(2)=3(2^2)-12(2)+4=3(4)-24+4=12-24+4=-8

Finally:

y=3(x-2)^2+(-8)=3(x-2)^2-8

4 0
3 years ago
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