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Vinvika [58]
3 years ago
15

What is the value of the expression 2 x 2 + 3 x y - Y 2 when x equals 2 and Y equals negative 4

Mathematics
1 answer:
professor190 [17]3 years ago
4 0
12.66382829 this is the answer i got
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(a-b) ( a+b) simplify​
BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

1. (a)(a)+(a)(b)+(-b)(a)+(-b)(b)

2. a^2 + ab - ab - b^2

3. a^2 - b^2

4 0
3 years ago
If you reflect (–2, –8) across both axes, which quadrant will it be in? Justify your reasoning.
stepan [7]
The quadrant would be the first one, because once reflected over the y-axis, it would become (2,-8), and once reflected over the x-axis, it would become (2,8)
8 0
3 years ago
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Olive reads 4 books every month for school. How many books does she read in 8 months?
Novosadov [1.4K]

Answer:

32 books.

Step-by-step explanation:

What do we know?

As Olive continues this pattern, this will involve multiplication.

4 books per month and 8 months.

4*8=32 books.

So, Olive will read 32 books within 8 months.

6 0
3 years ago
Jackie is selling smoothies at a school fair. She starts the day with $15 in her cash box to provide change to her customers. If
Liula [17]

Answer:

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8 0
3 years ago
Barbie is thinking of a number 20 less than one-third of the number is 72 find barbie's number
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Let x = Barbie's number
1/3 x -20 = 72
1/3 x = 92
x = 92*3=276
4 0
3 years ago
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