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STALIN [3.7K]
3 years ago
7

4.2z + 3.8z simplify the expression ​(Use the operation symbols in the math palette as needed. Simplify your answer. Use whole n

umbers or decimals for any numbers in the​ expression.)

Mathematics
1 answer:
alexandr1967 [171]3 years ago
4 0

Answer:

8z

Step-by-step explanation:

Since these are like terms, add the numbers together and then put the z on.

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Pleaseee help, question what is the sum of 4x^2 + 2x - 5 and 7x^2 - 5x + 2
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Simplification of polynomials.

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John buys 3 pounds of cherries and 2 pounds of bananas he pays a total of $24.95 the bananas cost $6.50 less per pound than the
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John will pay $8.68 for the combined cost of 1 pound of banana and 1 pound of cherries.

Let: b=cost of banana per pound and c=cost of cherries per pound

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3c + 2b =$24.95

Equation 2: The cost of bananas is $6.50 less than a pound of cherries.

b= c - $6.50

We can substitute the second equation into the first one to solve for the cost of cherries per pound.

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Substituting the value of c to the second equation to solve for b.

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The combined cost of 1 pound of banana and 1 pound of cherries is $1.09 + $7.59 or $8.68.

For more information regarding the system of equations, please refer to brainly.com/question/25976025.

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