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pishuonlain [190]
4 years ago
15

PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
8090 [49]4 years ago
5 0
3\cdot4\cdot7=84
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Help pls ill give extra points
Anastasy [175]
1) A *the first option*
2)B *the second option*
8 0
3 years ago
Pls help me out and pls explain
LenKa [72]

Answer:

It is a function

Step-by-step explanation:

The x has only one y and that makes it a function

5 0
3 years ago
18. One way to show that a statement is NOT a good definition is to find a _____
sergiy2304 [10]

Answer:

Counterexample

Step-by-step explanation:

Counterexample ensures that you are stating your point or opinion and you firmly oppose their general opinion.

6 0
3 years ago
Write the explicit formula that represents the geometric sequene -2,8,-32,128
Vladimir [108]
Well, is a geometric sequence, the first term's value is -2

to get the subsequent term's value, we'd multiply by "something" so-called the "common ratio"

well, if we simply just divide any of those values by the one before it, the quotient must be the "common ratio".

hmm say for exampl -32/8 = -4  <---- there's our common ratio

\bf n^{th}\textit{ term of a geometric sequence}\\\\&#10;a_n=a_1\cdot r^{n-1}\qquad &#10;\begin{cases}&#10;n=n^{th}\ term\\&#10;a_1=\textit{first term's value}\\&#10;r=\textit{common ratio}\\&#10;----------\\&#10;a_1=-2\\&#10;r=-4&#10;\end{cases}\implies a_n=-2 (-4)^{n-1}
4 0
3 years ago
In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. Determine the cost of each tie.
amm1812
Equations:

6s + 3t = 79.50
3s + 2t = 41
-------
Modify:
18s + 9t = 3*79.5
18s + 12t= 6*41
------
300x250

Subtract and solve for "t":
3t = 7.5
t = $2.50 (price of one tie)
5 0
3 years ago
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