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Soloha48 [4]
3 years ago
5

To evaluate the integrity of underground water lines, the department of public works randomly selects 20 sites in the city to un

earth and observe the water lines. At 5 of the sites, the water lines needed repair. The department of public works concludes that about one-fourth of underground water lines throughout the city need repair.
3. To award prizes at a hockey game, four tickets with individual seat
numbers printed on them are picked from a barrel. Since Elvis's
section was not selected for any of the four prizes, he assumes that
they forgot to include the entire section in the drawing.
Mathematics
2 answers:
ollegr [7]3 years ago
6 0
4. Normal body temperature is 98.6 degrees Fahrenheit, although it varies slightly for some people. Someone ?
Zanzabum3 years ago
6 0
98.6, I think, tell me how you do!
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Solve by graphing:<br> x^2-6x+9=0
irinina [24]
Hello :
the solution :x²-6x+9=0 is the x- intresept and graph of f(x) =x²-6x+9
the solution is :  x=3

6 0
3 years ago
I need help finding the area of this shape can you please help
BabaBlast [244]

Answer: 139.27

Step-by-step explanation:

So let find the area of the black swuare the length is 10 and the widith is 10, using bxh the area is 100. Now let find the aea of the semi-circle. The area of a fill circle is pi radius squared so a semi circle area will be 1/2( pi radius squared). The radius is 5 so we can calculate 1/2 of 25 pi equal = 39.27. Now let add the areas: 100+39.27=139.27.

8 0
3 years ago
You can solve the following proportion by cross multiplying. What will the equation be after you cross multiply? 3/9 = x/15
aksik [14]
 3         x
---- = -----
  9       15

so 9x = 45 (and x =5).
4 0
3 years ago
Read 2 more answers
Find the volume of the box
Rudik [331]

answer is B. detrjrajaetkterjaejq

6 0
2 years ago
Determine the unknown side of the similar triangle.<br> A) 8 <br> B) 12 <br> C) 18 <br> D) 24
blsea [12.9K]

Answer:

B-12

Step-by-step explanation:

Since 24÷12=2 you have to do 6×2 to find the ? and 6×2=12

8 0
3 years ago
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