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BartSMP [9]
3 years ago
12

Evaluate x² - y2 if x = -4 and y = .5.

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

The answer is16.25

Step-by-step explanation:

16 + 0.25 = 16.25

Alina [70]3 years ago
5 0

Answer:

Answer: -17

Step-by-step explanation:

1 ) x² - y2

2 ) -4² - .5(2)

3 ) -16 - 1

4 ) -17

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labwork [276]

Answer:

$4.76

Step-by-step explanation:

The cost is $15.24

She gave $20.00

Therefore, you subtract to find the change she would receive.

20-15.24=4.76

This means that she should get $4.76 in change

Hope this was helpful

5 0
3 years ago
Read 2 more answers
Can you please help me
nika2105 [10]
I believe it’s 0.5 :)
4 0
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What is the height of a cubic prism containing 125 cubes
ladessa [460]
<h3>s³=l,b,h</h3><h3>so,</h3><h3>s³=125</h3>

s =  \sqrt[3]{125}

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6 0
3 years ago
When you are multiplying powers, what are you actually doing with the exponents?
givi [52]
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8 0
3 years ago
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If one of the zeros of the cubic polynomial x3 + ax2 + bx + c is -1, then what will be the product of the other two zeros?
zhenek [66]

Answer:

The product of the other two zeros is c

Step-by-step explanation:

Let α, β and γ be the zeros of the polynomial x³ + ax² + bx + c. Since one of the zeros is -1, therefore let γ = -1. Hence:

sum of the roots = α + β + γ = -a

-1 + β + γ = -a

β + γ = -a + 1

αβ + αγ + βγ = b

-1(β) + (-1)γ + βγ = b

-β -γ + βγ = b

Also, the product of the zeros is equal to -c, hence:

αβγ = -c

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3 years ago
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