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Elza [17]
3 years ago
12

56 is 140% of what number

Mathematics
2 answers:
motikmotik3 years ago
8 0
To find the answer, you convert the percentage to a decimal. 140% = 1.4

Then you divide 56 by 1.4

56/1.4 = 40
Margarita [4]3 years ago
3 0
Write an equation: "is" means =, and "of" means multiply 
56 = 1.4 N 

Divide both sides by 1.4: 
N = 56 ÷ 1.4 

N = 40 
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The statement is false, as the system can have no solutions or infinite solutions.

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The statement says that a system of linear equations with 3 variables and 3 equations has one solution.

If the variables are x, y, and z, then the system can be written as:

a_1*x + b_1*y + c_1*z = d_1\\\\a_2*x + b_2*y + c_2*z = d_2\\\\a_3*x + b_3*y + c_3*z = d_3

Now, the statement is clearly false. Suppose that we have:

a_1 = a_2 = a_3\\b_1 = b_2 = b_3\\c_1 = c_2 = c_3\\\\d_1 \neq d_2 \neq  d_3

Then we have 3 parallel equations. Parallel equations never do intercept, then this system has no solutions.

Then there are systems of 3 variables with 3 equations where there are no solutions, so the statement is false.

If you want to learn more about systems of equations:

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2 years ago
Len wants to write the number 100000 using a base of 10 and an exponent. What number should he use as the exponent
salantis [7]
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6 0
3 years ago
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Rzqust [24]

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Step-by-step explanation:

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4 0
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The method used is Distributive Property.

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Here the property used is Distributive property.

Because distributive property in this way

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