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Morgarella [4.7K]
2 years ago
7

Examine the system of equations,

Mathematics
1 answer:
salantis [7]2 years ago
6 0

Answer:

y= 11

Step-by-step explanation:

First label the 2 equations.

y= 5x +6 -----(1)

y= x +10 -----(2)

susbt. (1) into (2):

5x +6= x+10

5x -x= 10 -6 <em>(bring</em><em> x terms to 1 side, constant to the </em><em>other)</em>

4x= 4 <em>(</em><em>simplify</em><em>)</em>

x= 4 ÷4

x= 1

susbt. x=1 into (2):

y= 1 +10

y= 11 <em>(</em><em>simplify</em><em>)</em>

Thus, the value of y is 11.

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Is the following relation a function? *
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Answer:

No.

Step-by-step explanation:

Well at first glance it might seem so but there are two points particularly that can tell you that these points cannot be within a function.

The points (3,2) and (3,-2) will yield an undefined slope (a straight vertical line). There is no possibility that the other points can be in this line (as their y - values are different) and there is no possibilty that this is a function at all according to the vertical line test (the test is that if you draw a vertical line that there shouldn't be more than one point on it).

8 0
3 years ago
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<span>756=3/4x
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3 years ago
Is the function shown in the graph one-to-one?
Cloud [144]

Answer:

  yes

Step-by-step explanation:

The graph is of a function (one output for every input) that also passes the horizontal line test (one input for every output). Hence it is one-to-one.

For a <em>function</em>, the key for it being one-to-one is that it pass the horizontal line test.

3 0
3 years ago
Read 2 more answers
Solve.<br> 3^x = 81<br> a X= 2<br> b. X= 4 c. x=6 d. x =9 <br><br><br> HELPPPPP
maw [93]

Answer:

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9 x 9=81

3 0
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Mrrafil [7]
1 mile = 1760 yards
20 * 1.151 = 23.02
23.02 * 1760 = 40,515.2
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675.243~ / 60 = 11.2542~
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I took the number of knots multiplied by the approximate miles per hour equal
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