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3 years ago

10

Determine whether the ordered pair is a solution to the linear system.

1 answer:

Artist 52 [7]3 years ago

3 0

It is not. It works for the first but not for the second.

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Please help me !!!!!!!

umka21 [38]

$\frac{2}{3}y+15=9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Given} \\\\ \frac{2}{3}y+15-15=9-15 \ \ \ \ \ \ \ \ \text{Subtraction property} \\ \\ \frac{2}{3}y=-6 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Simplification} \\ \\ \frac{2}{3}y \cdot \frac{3}{2} =-6\cdot \frac{3}{2} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Multiplication property} \\\\ y=-9 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Simplification}$

8 0

3 years ago

Andy is done with part of a construction, as shown below.

musickatia [10]

Answer: i believe it is D

Step-by-step explanation:

4 0

4 years ago

F(1)=−71<br><br> f(n)=f(n−1)⋅4.2<br><br> Find an explicit formula for f(n).

Vinil7 [7]

Answer:

The explicit formula for f(n) is:

$f(n) = -71 \cdot 4.2^{n-1}$

Step-by-step explanation:

The explicit formula is described by the following geometrical progression:

$f(n) = -71 \cdot 4.2^{n-1}$

4 0

3 years ago

0.6c+2.5=3.22 solve for c

Gemiola [76]

The answer to 0.6c+2.5=3.22 solving for C Answer:
c=1.2

8 0

3 years ago

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A student is given that point P(a, b) lies on the terminal ray of angle , which is between radians and 2 radians. The student us

diamong [38]

Answer: A

Step-by-step explanation: Just took the test on edg

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3 years ago

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