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beks73 [17]
2 years ago
11

Is (3, 0) a solution to the equation y = 5x + 3? * 1 point

Mathematics
1 answer:
Sav [38]2 years ago
7 0

Answer:

no

Step-by-step explanation:

Substitute x = 3 into the equation and if the result is 0 then it is a solution

y = 5(3) + 3 = 15 + 3 = 18 ≠ 0

Then (3, 0 ) is not a solution to the equation

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Multiply the denominator by the whole number and add the numerator.
so it's
11÷-11= -1
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Does it matter what interval you use when you find the rate of change of a proportional relationship
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Maybe but it doesn't matter
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Jose receives $1270 per year from three
salantis [7]

The answer is. $1500.

Let x represent the amount invested at 5%, then  is the amount invested at 8%, and  is the amount invested at 6%. Since the total return is $1270:

let money invested at 5%= x

money invested at 6%

= 20000- (X+X-1500)

21500-2x

Total interest for 1 year.

x×5/100+ (x-1500)×8/100+(21500-2x)×6/100 = 1270

5x/100+8(x-1500)/100+(21500-2x)6/100=1270

5x+8x-12000+129000-12x = 127000

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5 0
1 year ago
Rahul solved the equation 2(x – ) – 2 left-parenthesis x minus StartFraction 1 Over 8 EndFraction right-parenthesis minus StartF
Ghella [55]

Rahul use addition property of equality in step 2.

Solution:

The image of the question is attached below.

Step 1:

$2 x-\frac{1}{4}-\frac{3}{5} x=\frac{55}{4}

combine like terms together.

$2 x-\frac{3}{5} x-\frac{1}{4}=\frac{55}{4}

To make the denominator same multiply and divide 2x by 5.

$\frac{10}{5} x-\frac{3}{5} x-\frac{1}{4}=\frac{55}{4}  

Step 2:

$\frac{7}{5} x-\frac{1}{4}=\frac{55}{4}

By addition property of equality, add \frac{1}{4} on both side of the equation.

$\frac{7}{5} x-\frac{1}{4}+\frac{1}{4}=\frac{55}{4}+\frac{1}{4}

Step 3:

$ \frac{7}{5} x=\frac{56}{4}

Step 4:

Multiply by \frac{5}{7} on both side of the equation.

x=10

Hence Rahul use addition property of equality in step 2.

3 0
2 years ago
Read 2 more answers
Which graph represents the solution set of the system of inequalities?
vivado [14]
Solve first for the solution of the inequalities. This can be done by replacing first the inequalities sign with the equal sign. 

x + y = 1
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The values of x and y from the system of linear equation are 2 and -1. This means that the intersection of the lines should be at point (2, -1). 

Substitute 3 to x and determine the value of y from the second inequality.
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Substituting,
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Hence, the solution to this item should be the fourth one. 
6 0
2 years ago
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