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zhannawk [14.2K]
4 years ago
6

25 POINTS & BRAINLIEST! Is the following relation a function? A. Yes B. No

Mathematics
2 answers:
statuscvo [17]4 years ago
6 0
Yes it is a function
max2010maxim [7]4 years ago
5 0

Answer:

A. Yes

Step-by-step explanation:

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Solve the system of equations given below. <br> 8x+4y=16 <br> 7y=15-x
Damm [24]
1) first slove for X ( 7y=15−<span>x) to solve this first subtract 15 from both sides --> 
7y-15= -X ---> then multiply by -1 on both sides -----> -7y+15=x ( switch sides) so basically : </span>x=−7y+1<span>5
2) Then </span> Substitute x=-7y+15x=−7y+15 into 8x+4y=16 now solve steps below how to solve:
Start with the original equation ( 8x+4y=16)
Let x= -7y+15
<span>8(−7y+15)+4y=16 ----> simplify ----> −52y+120=16
Now solve for Y ( </span>−52y+120=1<span>6) steps:
</span>−52y=16−120 ( subtract 120 from both sides) & simplify by  16-120=−104
−52y=−104
now isolate Y divide both sides by -52 ----> y=2
Substitute y=2 into x=-7y+15
x= -7(2)+15 
x=1
your final answer :
x=1
y=2

8 0
3 years ago
PLZ HELP!! ITS ALMOST DUE!!! ILL MARK BRAINLIEST!!
lutik1710 [3]

Answer:

It is the second one which is below the top answer

Step-by-step explanation:

4 0
3 years ago
The diagram shows a circle inscribed in a square.
beks73 [17]

Answer:

A

Step-by-step explanation:

first lets find the area of the square

A=l*w

12*12=144 m^2

then lets find the are of the circle

A=pi*r^2

A=3.14*(d/2)^2

the diameter of the circle is 12m

A=3.14*(12/2)^2

A=3.14*(6)^2

A=3.14*36

A=113.04 m^2

Now, lets subtract the area of the circle form the area of the square

144-113.04= 30.96 m^2

So, the answer is A

5 0
3 years ago
(2.5×10−8)(9×10−10)<br><br> Express your answer in scientific notation.
Lunna [17]
Answer: 2.25x 10^{-17}

Scientific notation is used in science because the number can be vary from so much that using decimal is making it hard. The number expressed in 10^{x} form. Both number in the question is already in scientific notation. Then to multiply the number and keep it at scienfitic notation the calculation should be:

2.5 x 10^{-8}x 9 x 10^{-10}= 22.5 x 10^{-18}= 2.25x 10^{-17}

6 0
3 years ago
Read 2 more answers
Graph y ≤ (x + 2)^2.
Vladimir [108]

Graph atached as an image.

3 0
4 years ago
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