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masya89 [10]
3 years ago
13

Solve 2x 2 + 8x - 12 = 0 by completing the square. What are the solutions?

Mathematics
1 answer:
oee [108]3 years ago
5 0
I attached a picture of how I worked out the answer

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Solve the measure of an angle is 161°. what is the measure of a supplementary angle?
lions [1.4K]
Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°


4 0
3 years ago
Find the measure of X<br> Find the measure of PS and QR
AveGali [126]

Answer: x=4. PS=QR=15

Step-by-step explanation:

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2 years ago
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3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8
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2 years ago
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What is the constant of variation for the quadratic variation? x=2,3,4,5,6 y= 32,72,128,200,288
Bad White [126]
Hello,
y=a*x² ==>
32=a*2²==>a=32/4=8
72=a*3²==>a=72/9=8
128=a*4²==>a=128/16=8
200=a*5²==>a=200/25=8
288=a*6²==>a=288/36=8

Answer A: 8

7 0
2 years ago
Martina has a circle with a diameter of 6 inches. She doubled the diameter to make a new circle. Now, Martina says that the rati
timama [110]

Answer:

her mistake is she didn't include pi which will change the number

Step-by-step explanation:

6x2=12

the diameter of the new circle is 12

12x pi or 3.14= 37.68

which is not double the diameter(12) of the circle

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