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MariettaO [177]
3 years ago
9

Which statement describes the validity of the student's results?

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

do you have a picture

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Simplification <br>3x-y+2z+2x+3y-z<br>​
Nastasia [14]

Answer: 5x + 2y + z

Step-by-step explanation:

We will <em>collect like terms</em>, then we will add each variable up through addition and subtraction (simplify).

<u>Step 1</u><u>: Collect like terms.</u>

(3x + 2x) + (-y + 3y) + (2z - z)

<u>Step 2</u><u>: Simplify the expression.</u>

5x + 2y + z

~I hope I helped you :)~

6 0
3 years ago
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What is the unit rate for 500.48 meters in 27.2 hours?
Daniel [21]
27.2h÷1h=27.2
500.48m in 27.2h
(÷27.2)
18.4 in 1h

Ans: 18.4m/h
4 0
3 years ago
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The time it takes to drive to Joliet is 6 hours more than half the time it takes to drive to Davenport. It takes 8 hours to driv
Molodets [167]
It takes 8 hours to drive to Joliet, and that's 6 hours more than half the time it takes to drive to Davenport. So, I did 8-6 which equals 2. So 2 hours is half the time it takes to get to Davenport, which means it takes 4 hours to get to Davenport. 
6 0
3 years ago
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I need to use Multi-Step function inverse to find the following:
dexar [7]

<u>Answer</u>:

f^{-1}(x) = \sqrt[5]{\frac{x+7}{9} -10}

<u>Explanation</u>:

given : f(x) = 9( x^5 + 10 ) - 7

replace x and y with each other.

  • x = 9( y^5 + 10 ) - 7

solve for y

  • x + 7 = 9( y^5 + 10 )
  • ( y^5 + 10 ) = \frac{x + 7}{9}
  • y^5 + 10 = \frac{x + 7}{9}
  • y^5 = \frac{x + 7}{9} - 10
  • y = \sqrt[5]{\frac{x+7}{9} -10}

Therefore,

  • f^{-1}(x) = \sqrt[5]{\frac{x+7}{9} -10}
5 0
2 years ago
Solve 2x2 + 16x + 34 = 0.
pshichka [43]
4+16x+34=0
16x=-38
x=-2.37
5 0
3 years ago
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