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mezya [45]
3 years ago
11

I need to understand proofs

Mathematics
1 answer:
Sergio039 [100]3 years ago
7 0
What do u mean by proofs
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What is the probability of rolling a 2 or a 4 on a 6 section spinner?
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Rolling an even number (2, 4 or 6) is an event, and rolling an odd number (1, 3 or 5) is also an event. In Experiment 1 the probability of each outcome is always the same. The probability of landing on each color of the spinner is always one fourth.
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What is 9 over 5 in a percent
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So you convert the fraction into a decimal then multiply it by 100 so the percentage would be 180%
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Whats the answer for this
UNO [17]

Answer:

Sending care packages is a way to:

ARemember relatives who served incorrect answer

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Step-by-step explanation:

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3 years ago
Find the x-intercepts of the parabola with
12345 [234]

Answer:

x-intercepts are (0, 0) and (-6, 0)

Step-by-step explanation:

equation of a parabola in vertex form:  y = a(x - h)² + k

where (h, k) is the vertex

Substituting the given vertex (-3, -18) into the equation:

y = a(x + 3)² - 18

If the y-intercept is (0, 0) then substitute x=0 and y=0 into the equation and solve for a:

0 = a(0 + 3)² - 18

⇒ 0 = a(3)² - 18

⇒ 0 = 9a - 18

⇒ 9a = 18

⇒ a = 2

Therefore, y = 2(x + 3)² - 18

To find the x-intercepts, set the equation to 0 and solve for x:

                                 2(x + 3)² - 18 = 0

Add 18 to both sides:     2(x + 3)² = 18

Divide both sides by 2:    (x + 3)² = 9

Square root both sides:      x + 3 = ±3

Subtract 3 from both sides:  x = ±3 - 3

so x = 3 - 3 = 0  

and  x = -3 - 3 = -6

So x-intercepts are (0, 0) and (-6, 0)

8 0
2 years ago
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Need help on my math test. Any Answers?
nasty-shy [4]

Answer:

use symbolab

Step-by-step explanation:

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2 years ago
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