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lesantik [10]
3 years ago
6

Two thirds a number plus 4 is 7

Mathematics
1 answer:
larisa [96]3 years ago
3 0
2/3x + 4 = 7

if looking for x then

2/3x = 3
     x = 3 (3/2)
     x = 9/2
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Does (2,-3) satisfies the equation 5x+3y=1
Korvikt [17]

Answer: Yes

Step-by-step explanation: We're going to have to substitute

in the coordinates of that ordered pair into the equation.

I am going to substitute in the x and substitute in the y.

So it's really 5(2) + 3(-3) = 1.

From here it should be pretty straightforward,

all we are doing is evaluating the statement.

Simplifying on the left we have 10 + -9 = 1 or 1 = 1.

Now we know that the ordered pair (2, -3) satisfies this equation.

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2 years ago
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Kobotan [32]

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5 0
3 years ago
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seraphim [82]
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3 years ago
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3 years ago
Indicate, in standard form, the equation or inequality that is shown by the graph.
skad [1K]

Answer:

The equation is  y = -x + 4

Step-by-step explanation:

This is a very trivial exercise:

The general equation of a line is given by:

y - y₁ = m(x - x₁)

where m = slope of the linear graph

From the given graph, it can be observed that the coordinate (x₁, y₁) and (x₂, y₂) are (0, 4) and (4, 0)

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y - 4 = -1 (x - 0)

y - 4 = -x

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6 0
2 years ago
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