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professor190 [17]
3 years ago
6

Billy has a gift card with a $150 balance. He buys several video games that cost $35 each. After the purchases, his gift card ba

lance is $45. Write an equation to help find out how many video games Billy bought
Mathematics
1 answer:
erik [133]3 years ago
4 0
150dividedby35minis45
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Complete the square to determine the maximum or minimum value of the function defined by the expression. x2 + 8x + 6
irga5000 [103]

Answer:

Minimum at (-4, -10)

Step-by-step explanation:

x² + 8x + 6

The coefficient of x² is positive, so the parabola opens upward, and the vertex is a minimum.

Subtract the constant from each side

x² + 8x = -6

Square half the coefficient of x

(8/2)² = 4² = 16

Add it to each side of the equation

x² + 8x + 16 = 10

Write the left-hand side as the square of a binomial

(x + 4)² = 10

Subtract 10 from each side of the equation

(x+ 4)² -10 = 0

This is the vertex form of the parabola:

(x - h)² + k = 0,

where (h, k) is the vertex.

h = -4 and k = -10, so the vertex is at (-4, -10).

The Figure below shows your parabola with a minimum at (-4, -10).

4 0
3 years ago
What is the area of the triangle?
LUCKY_DIMON [66]
Answer:

6 square inches.

Explanation:

You should use 4 for the base and 3. If you used the formula to find the area of the triangle, then you should get 6 for your answer.
8 0
2 years ago
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Simplify the expression. 1.4 – 5.5 – 1.73 + 1.8 – 1.09
Lana71 [14]
The answer would be 1.4
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3 years ago
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cestrela7 [59]
-180 is the answer
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john spent $201 for shirts and pants for work. shirt cost $27 dollars and pants cost $22. if he bought a total of 8 articles of
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So you subtract, 27-22. 27-22 is equal to 5. So, John will buy 5 kinds of T- Shirts.
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3 years ago
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