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valentina_108 [34]
3 years ago
15

What is the difference between an expression and an equation? Provide an example of each.

Mathematics
2 answers:
Tcecarenko [31]3 years ago
5 0

Answer:

Expressions are not meant to be solved, they are more so to be evaluated and explained.. a visual differenceis that there is no equal sign or answer written, an equation is solved and has an equal answer. EXPR: (2 x 13) + 9 EQU: (19 x 12) + 3= 231

vagabundo [1.1K]3 years ago
5 0

Answer:

An expression is not meant to be solved -  5+3

an equation requires a solution -  5+3=8

Step-by-step explanation:

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Joint-Serve Prosthetics spends 43% of its total expenses for payroll. It increased its total expenses when it spent $250,000 for
Leni [432]
Answer: $2,150,000

Explanation: Let

T = Total expenses of Joint-Serve

Then, before the company acquired robotic assemblers, the expenses allocated for payroll is given by

Expenses for Payroll = 43% of Total Expenses
Expenses for Payroll = 0.43T     (1)
(Because 43% = 0.43)

Because the total expenses increased by $250,000 after spending for robotic assemblers, the total expenses = T + 250,000

So, the payroll expense is now calculated as

Expenses for Payroll = 38% of Total Expenses
Expenses for Payroll = 0.38(T + 250,000)     (2)
(Because 38% = 0.38 and total expenses = T + 250,000)

By comparing equations (1) and (2),

0.43T = 0.38(T + 250,000)
\\ 0.43T = 0.38T + 0.38(250,000)
\\ 0.43T = 0.38T + 95,000
\\ 0.43T - 0.38T = 95,000
\\  \frac{0.05T}{0.05}  =  \frac{95,000}{0.05} 
\\ \boxed{T = \$ 1,900,000}

Thus, the total expense before the purchase of robotic assemblers is T = $ 1,900,000. Therefore, the total expense after purchasing the robotic assemblers is T + 250,000 = 1,900,000 + 250,000 = $2,150,000  
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3 years ago
What is the estimate of 3630?
Paul [167]
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For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is d
Blababa [14]

Answer:

Step-by-step explanation:

A discrete variable is one which can be counted or which can be associted with the set of natural numbers.

A continuous variable is one which cannot be counted.

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g. (psi) at which a randomly selected tennisracket has been strung

--Continuous

h. number of coin tosses required for threeindividuals to obtain a match (HHH or TTT)

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