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svetoff [14.1K]
3 years ago
15

The graph of a quadratic equation opens down when the value of a,b or c Is negative

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0

Answer:

a is the answer!!!!!!!

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Given a bag of 5 blue, 3 green, and 8 red marbles.. What is the probability of picking a blue
Anvisha [2.4K]

b = 5, \: g = 3, \: r = 8

total = 5 + 3 + 8 = 16

p(b) =  \frac{5}{16}

p(g |without \: replacement|) =  \frac{3}{16 - 1}  =  \frac{3}{15}  =  \frac{1}{5}  \\

p(b \: and \: g) =  \frac{5}{16}  \times  \frac{1}{5}  =  \frac{1}{16}

6 0
3 years ago
How do you know that the decimal 2\11 repeats without end?
seropon [69]

It doesn't, it ends after 32 digits after 0.

5 0
3 years ago
ANSWER PLZ QUICK AND FAST
Sergio [31]

Jack had b boxes. Then he got 4 more. That is equal to:

b+4

On Wednesday, half the boxes were destroyed. To find half the amount, you can divide by 2, which is equal to:

\frac{b+4}{2}

Choice C matches the answer. Your answer is C

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3 years ago
Mike reads 40 pages of a book in 50 minutes. David can read 10 more pages than Mike in 50 minutes. How many pages should David b
Sveta_85 [38]
David can read 50 pages in 50 minutes.
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What’s the answer the multiple choice is there to please don’t guess
Anit [1.1K]
<h3>Answer: Point E is located at (2, 3)</h3>

====================================

Explanation:

The sequence PQRST has T as the last letter.

The sequence ABCDE has E as the last letter

The two letters T and E pair up or they correspond. So T will rotate to land on point E. Or T will rotate to point E's location.

Point T is at location (-3,2). So x = -3 and y = 2.

-------

Use the rule

(x,y) ---> (y, -x)

which is the rule we use when we rotate any point 90 degrees clockwise around the origin. We swap the x and y coordinates, then change the sign of the second coordinate (after the swap happens).

This means,

(-3, 2) ----> (2, -(-3)) = (2, 3)

or simply

(-3, 2) ---> (2, 3)

6 0
3 years ago
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