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Nezavi [6.7K]
3 years ago
8

2. Simplify: 2xy + 10x2 - 9xy

Mathematics
1 answer:
Hatshy [7]3 years ago
3 0
The answer is letter D
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Which of the following ordered pairs is a solution of x + 1/2y = 1?
pogonyaev

(-2,6)

for example  

x+1/2y=1  

the ordered pair i will use is the first one. (-2, 6)  

so  

(-2) + 1/2(6)=1  

from there it is a simple add/subtract and multiply/divide math problem.  

1/2(6)=3  

so  

(-2) + 3 = 1  

yes this ordered pair works for the solution meaning it is the answer.

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4 years ago
What is the surface area of a rectangular prisim with a height of 22 and area of 64
NikAS [45]

Answer:

1408 multiply 64 by 22 for a total of 1,408

6 0
3 years ago
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Inverse function of f(x)=25x^4
stealth61 [152]
f^{-1}(x)= \frac{ \sqrt[4]{25x} }{5}  , - \frac{ \sqrt[4]{25x} }{5}
7 0
4 years ago
Frank buys a 5 pound family pack
tatuchka [14]

Answer:

5×4/3=20/3=6.666

Ans 6

3 0
3 years ago
Solve the system by substitution.
Iteru [2.4K]

Answer:

I gave you most of the answer. I'll let you check my work and find the point using the solution.

Step-by-step explanation:

The first thing we do is we divide by negative one in the first equation to get

y = -x.

-3x + 3y = -36

Plug in y = -x and get

-3x + 3(-x) = -36

= -3x - 3x = -36

This equals -6x = -36

divide both sides by -6 and you get 6. 6 is your x value

Plug 6 back in to the second equation.

-3x + 3y = -36

-3(6) + 3y = -36

-18 + 3y = -36

3y = -18

y = -6

3 0
3 years ago
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