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mote1985 [20]
3 years ago
15

Please help! 10 PTS!

Mathematics
2 answers:
Helen [10]3 years ago
8 0
Clear the fractions
times everybody by 6
15+4+6n=1
19+6n=1
minus 19 both sides
6n=-18
divide both sides by 6
n=-3
Valentin [98]3 years ago
7 0
5/2+2/3+n=1/6
5/2=15/6
2/3=4/6
15/6+4/6+n=1/6
19/6+n=1/6
n=1/6-19/6
n=-18/6
n=-3
So, your answer is -3
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2 years ago
Five ticets to a baseball game cost 60$. How much do 2 ticets cost
Leno4ka [110]

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$24

Step-by-step explanation:

Since you know 5 tickets equal to $60, and you want to find the cost of one ticket, you would divide 60 by 5. 60/5=12. So each ticket costs 12 dollars. But you want to find the cost of two. So multiply $12 by two to get $24 dollars per two tickets.

4 0
3 years ago
Which sets of points represent one-to-one functions?
madreJ [45]
<h3>Two Answers: </h3><h3>Function h (third choice)</h3><h3>Function k (sixth choice, or last choice)</h3>

==========================================================

Explanation:

A function is only possible if the x values do not repeat. A relation is considered one-to-one only if the y values do not repeat. We combine the two ideas. If we want a one-to-one function, then neither x nor y can repeat.

  • Function f has y = 8 repeating, so it is not one-to-one
  • Function g is a similar story but y = 4 repeats.
  • Function h has all unique x values, and all unique y values. This function is one-to-one.
  • Function i has y = 3 repeating, so it is not one-to-one.
  • Function j has y = 16 show up more than once, so it is not one-to-one.
  • Function k has all unique x values, and all unique y values. This function is one-to-one.

Note: if we had two points like (1,2) and (3,1), then it is still one-to-one (even though the digit 1 shows up twice). This is because the set of x values {1,3} is unique, and so is the set of y values {2,1}. We look at each set separately and not combine the two sets.

4 0
3 years ago
If 2x + 5y=21 and x+y=3, then what is the value of x?
katrin2010 [14]
The answer is D I think
Given the 2 equations
2x + 5y = 21 → (1)
x + y = 3 → (2)
Rearrange (2) expressing y in terms of x, by subtracting x from both sides
y = 3 - x ← Substitute into (1)
2x + 5(3 - x) = 21 ← distribute and simplify left side
2x + 15 - 5x = 21
- 3x + 15 = 21 ( subtract 15 from both sides )
- 3x = 6 ( divide both sides by - 3 x = - 2 → D
X=-2
8 0
2 years ago
Please show work if needed if not then just answer!:)
Bond [772]

9.

F. Symmetric Property of =.

The Symmetric Property of Equality states that if A = B, then B will = A, and that placement does not matter.

10.

B. Transitive Property of =.

The Transitive Property of Equality states that if A = B and B = C, then A = C.

In this case, AE = FB, FB = EF (meaning that point B is the midpoint), therefore, AE = EF.

3 0
3 years ago
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