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Olegator [25]
3 years ago
14

Solve the system by substitution 3x+5y=1 X=5y+7

Mathematics
2 answers:
Kitty [74]3 years ago
6 0
Which are you solving??
kumpel [21]3 years ago
3 0
Are u solving for x or y?
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Please find the general limit of the following function:
valentinak56 [21]

Answer:

The general limit exists at <em>x</em> = 9 and is equal to 300.

Step-by-step explanation:

We want to find the general limit of the function:

\displaystyle \lim_{x \to 9}(x^2+2^7+(9.1\times 10))

By definition, a general limit exists at a point if the two one-sided limits exist and are equivalent to each other.

So, let's find each one-sided limit: the left-hand side and the right-hand side.

The left-hand limit is given by:

<h3>\displaystyle \lim_{x \to 9^-}(x^2+2^7+(9.1 \times 10))</h3>

Since the given function is a polynomial, we can use direct substitution. This yields:

=(9)^2+2^7+(9.1\times 10)

Evaluate:

300

Therefore:

\displaystyle \lim_{x \to 9^-}(x^2+2^7+(9.1 \times 10))=300

The right-hand limit is given by:

\displaystyle \lim_{x \to 9^+}(x^2+2^7+(9.1\times 10))

Again, since the function is a polynomial, we can use direct substitution. This yields:

=(9)^2+2^7+(9.1\times 10)

Evaluate:

=300

Therefore:

\displaystyle \lim_{x \to 9^+}(x^2+2^7+(9.1\times 10))=300

Thus, we can see that:

\displaystyle \lim_{x \to 9^-}(x^2+2^7+(9.1\times 10))=\displaystyle \lim_{x \to 9^+}(x^2+2^7+(9.1\times 10))=300

Since the two-sided limits exist and are equivalent, the general limit of the function does exist at <em>x</em> = 9 and is equal to 300.

8 0
3 years ago
Read 2 more answers
Bailey just ran four miles outside. Her time for each mile was 9.05 / 8.24 / 10 / 9.22. How long did it take for her to run all
larisa86 [58]

Answer:

36.51

Step-by-step explanation:

If Bailey ran four miles, then the time that is given for each of her miles should be added together to find out her total time.

9.05 + 8.24 + 10 + 9.22

You can break it down into chunks to make it easier for you:

9.05 + 8.24

= 17.29

___________

9.22 + 10

= 19.22

_________________________________________________

Then you can just add both values together to find out the total

_________________________________________________

17.29 + 19.22 = 36.51

7 0
4 years ago
I need help I’m in my class plz help me
PtichkaEL [24]
The answer is 1/2( a-8)
4 0
3 years ago
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The numbers of students in the four sixth-grade classes at Northside school are 26,19,34 and 21. Use properties to find the tota
san4es73 [151]
Basically there are 3 addition properties and they are associative property, identity property, and commutative property. 

Commutative property is just changing the order of the addends. Example: 26+19+34+21= 21+34+19+26

Identity Property is just adding a 0 to the number that doesnt change anything. Example: 26+19+34+21 +0 = 100

Associative property is just changing the grouping of the addends. Example: (26+19) + (34+21) 
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I dont know how to delete this
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Her new salary is $40,500
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