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Pie
3 years ago
13

What is the y -value of the vertex of 4x^2 + 8X -8?

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

-12

Step-by-step explanation:

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Help please, I need it
Helen [10]

Partial Answer:

For #10 the solutions are 2 and 5

Step-by-step explanation:

Solutions for an equation can be x-intercepts, or where it touches the x or horizontal line. The equation in #10 touches the x line at 2 and 5.

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2 years ago
I will give brainliest
ruslelena [56]

Answer:

w is the length

Step-by-step explanation:

length squared is always the area of a square

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A store pays$344 for a chandelier and marks the price up by
Yanka [14]
The answer is 481.60000  
 
 
 





5 0
3 years ago
1.4 - 0.2x = 3.2<br><br> helpppp
olga2289 [7]

Answer:

x = -9

Step-by-step explanation:

1.4 - 0.2x = 3.2

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7 0
3 years ago
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1. Li rolls a special dice that has 12 sides labeled 1 through 12, then flips a penny. What is the probability, written as a sim
jeka94

Answer:

1. The probability that she throws a multiple of 3 and flips tails is 1/6

2. The probability that Cymra draws a red marble put it back and draws a red marble again is 25/196

3.  The probability that Cole flips three tails in a row, P(3T) is 1/8

4. The number of shots Linda is expected to make if she takes 175 shots is 56

Step-by-step explanation:

1. The number of sides on the special die Li rolls = 12 sides

The numbers on the die are 1 through 12

The number of faces on the penny = 2 (heads and tails)

The number of multiples of 3 on the die = 3, 6, 9, and 12 = 4

The probability that she throws a multiple of 3, P(3) = 4/12 = 1/3

The probability that she flips tails rather than heads = 1/2

∴ The probability that she throws a multiple of 3 and flips tails = 1/3 × 1/2 = 1/6

2. The number red marbles in the bag = 5

The number green marbles in the bag = 6

The number blue marbles in the bag = 3

The total number of marbles in the bag = 5 + 6 + 3 = 14

The probability that Cymra draws a red marble put it back and draws a red marble again is given as follows;

The probability with replacement of picking two red marbles = 5/14 × 5/14 = 25/196

3. The probability that Cole flips three tails in a row P(3T) = (1/2)×(1/2)×(1/2) = 1/8

The probability that Cole flips three tails in a row, P(3T) = 1/8

4. The percentage of times Linda makes her free throws in the past 5 basketball practices = 32%

The number of shots she is expected to make if she takes 175 shots = 175 × 32/100 = 56.

7 0
2 years ago
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