<span><span><span><span>x1</span> </span><span>= <span><span>−(−4) − √<span> (−4)2 − 4×3×7 </span> </span>2×3</span> </span><span>= <span><span>4 − 2 × √ 17 i </span>6</span> </span><span>≈ 0.666667 − 1.374369i</span></span><span><span><span>x2</span> </span><span>= <span><span>−(−4) + √<span> (−4)2 − 4×3×7 </span> </span>2×3</span> </span><span>= <span><span>4 + 2 × √ 17 i </span>6</span> </span><span>≈ <span>0.666667 + 1.374369i</span></span></span></span>
You can do volume=length times width times height for a perfectly rectangular pool
you can get lots of tennis balls and fill the pool with them and estimate the volume, that's how they measure the volume of wierd spaces in cars.
you can fill the pool with water and measure how many gallons in the pool then convert that to square feet
you can put a scanner (special type) and make a 3d rendering of the pool then measure the volume with the tools in the 3d program
Answer and step-by-step explanation:
5. To arrange it, find its value first:
4 - 6 = -2
-4 + 6 = 2
-4 - 6 = -10
So to arrange it from the least to greatest, it would be:
-10 , -2, 2 = c => a => b
8. To know which one have the least solution, calculate all of it first:
a. x + 5 = 13
Subtract both side by 5
x = 13 - 5
x = 8
b. -6x = -30
Divide both side by -6
-6x / -6 = -30/-6
x = 5
c. x / 4 = 18
x = 18 * 4
x = 72
d. x - 2 = -11
x = -11 + 2
x = -9
So d. have the least value (-9)
9. a. 10x - 4x = 6x
b. -15n + 3n = -12n
c. 7.5y + 1.6y = 9.1y
d. m + 4 - 2m = m - 2m + 4 = -m + 4
10. Student B are the students who invole in both piano and the band (As you can see it is in the middle of the diagram and it located in both circle (diagrams) so it would be both
Student G is the student who in the band because they only located in the band circle (diagram)
Hope those would help you :3
Student
Answer: the 800 people interviewed.
Step-by-step explanation:
Definition of a sample in statistics : A sample is a subset of a population sharing some similar characteristics in them. It basically represents the whole population having same characteristics.
For the given case , " The poll surveyed 800 randomly selected adults nationwide.
Here 800 randomly selected adults nationwide are representing the whole population of adults nationwide..
Thus , the sample in this setting is: <u>the 800 people interviewed</u> .
Y=62
X=122
cuz triangles equal 180