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Ipatiy [6.2K]
3 years ago
5

You select a card at random from the cards that make up the word replacement without replacing the card,you choose a second card

.find the probability of choosing a vowel.
Mathematics
1 answer:
serious [3.7K]3 years ago
6 0

Answer:

34/55

Step-by-step explanation:

Find the probability of the opposite; not a single vowel chosen.

So, the consonants are 7, so 7/11 times 6/10, which is 21/55.

Then, just 1 - 21/55 to get 34/55

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For the graphed exponential equation, calculate the average rate of change from x = −3 to x = 0.
iragen [17]

Answer:

-\frac{7}{3}

Step-by-step explanation:

To solve this, we are using the average rate of change formula:

m=\frac{f(b)-f(a)}{b-a}

where

m is the average rate of change

a is the first point

b is the second point

f(a) is the function evaluated at the first point

f(b) is the function evaluated at the second point

We want to know the average rate of change of the function f(x)=0.5^x-6 form x = -3 to x = 0, so our first point is -3 and our second point is 0. In other words, a=-3 and b=0.

Replacing values

m=\frac{f(b)-f(a)}{b-a}

m=\frac{0.5^0-6-(0.5^{-3}-6)}{0-(-3)}

m=\frac{1-6-(8-6)}{3}

m=\frac{-5-(2)}{3}

m=\frac{-5-2}{3}

m=\frac{-7}{3}

m=-\frac{7}{3}

We can conclude that the average rate of change of the exponential equation form x = -3 to x = 0 is -\frac{7}{3}

4 0
3 years ago
A parabola intersects at x-axis at x= 2 and x= 6. What is the x-coordinate of the parabolas vertex?
charle [14.2K]

Answer:

  x = 4

Step-by-step explanation:

The vertex is on the line of symmetry. The zeros are located equidistant from the line of symmetry, which is ...

  x = (2 + 6)/2 = 4

The x-coordinate of the vertex is x=4.

8 0
3 years ago
Please help!!!!!
Naya [18.7K]
Your answer is 80. A triangle’s angles add up to 180 degrees. Therefore, you need to subtract 30 and 70 from 180 to find your answer: 180-(30+70)=80 or 180-70-30=80
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4 years ago
What is the answer to this ?
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Answer:

B shows a translation of three units to the right

8 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!! I WILL MARK BRAINLIEST
Leona [35]
2x =3 is the first one , first one is B and 2nd one is D I believe
5 0
3 years ago
Read 2 more answers
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