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kumpel [21]
3 years ago
8

What's the probability of getting an even number and a head when rolling a die and then tossing a coin?

Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

Answer: 1/4

Step-by-step explanation:

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If -1 and 2 are the two zeros of the polynomial x3-4x2-7x+10 find the third zero
rewona [7]

note that the zeroes should be x = 1 and x = - 2 not x = - 1 and x = 2

the factors are then ( x - 1 ) and (x + 2)

and x³ - 4x² - 7x + 10 = (x - 1 )(x + 2) = x² + x - 2

thus x² + x - 2 is a factor

dividing x³ - 4x² - 7x + 10 by x² + x - 2 gives x - 5

the third zero is x = 5

check : (5)³ -4(5)² - 7(5) + 10 = 125 - 100 - 35 + 10 = 0




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3 years ago
What is a, b, and c in this quadratic equation?
Vilka [71]
A = 7
b = -18
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Do you know what the Quadratic formula is to solve?
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"Define a variable write an inequality and solve each problem".A number +1 is greater than -5 less than three.
Brrunno [24]

Answer:  -5 < x + 1 < 3

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-5 < x + 1 < 3

4 0
2 years ago
2. The cost of one pizza rose from $8.95
kifflom [539]

Answer:

0.15

Step-by-step explanation:

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4 0
2 years ago
Find the standard form of the equation of the ellipse satisfying the given conditions. Foci: (0, -2), (0, 2); y-intercepts: -5 a
neonofarm [45]
The equation is asking to calculate the standard for of the equation of ellipse satisfying the given condition and in my further research and computation,  would say that the answer would be <span>x^2/21 + y^2/25 = 1. I hope you are satisfied with my answer and feel free to ask for more</span>
4 0
3 years ago
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