3 years ago

Graph the system.

Mathematics

1 answer:

Kisachek [45]3 years ago

4 0

Answer:

for ed its 3.1

Step-by-step explanation:

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Marta said 50 + one-half m = 120 is an equation, while Maribel argued that it is an expression. Determine who is correct and exp

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Answer:

Marta

Step-by-step explanation:

We are given that

$50+\frac{1}{2}m=120$

We have to find who is correct and explain.

We know that

Equation: It is mathematical sentence that combines numbers and variables which shows the equality of two expressions.

Example:

$x+y=3$

Expression: It is mathematical phrase that combines numbers and variables

using mathematical operators.It can be evaluated but not solved.

Example:

$x+y$

By definitions

$50+\frac{1}{2}m=120$

It is in equation form.

Therefore, Marta is correct.

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3 years ago

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The solution to the answer is as follows:

0votesanswered Aug 8, 2015 by Shashi Kumar Evangelist (3,082 points)total coins 30
1 rupee coins 20
50 paise coins 10

1 rupee coin probability 20C11
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ans should be = 20C11/30C11 = 2/3
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Step-by-step explanation:

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