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zaharov [31]
3 years ago
8

Determine if the lines are parallel, perpendicular, or neither. y=-2x – 4 2x + y = 5

Mathematics
1 answer:
Otrada [13]3 years ago
7 0

Answer:

parallel I think

Step-by-step explanation:

move the x to the left and divide by y to simplify. the new equation for the bottom will be y=-2x+5. For it to be parallel they have to have the same slope

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Two similar bottles are shown. the smaller bottle can hold 500ml. how much can the larger bottle hold. the smaller bottle is 15
tankabanditka [31]

Answer:

If we assume that the bottle is cylindrical and we take the same radius (3.26) of both the bottles (bottles only differ in heights) then the larger bottle will hold approximately 701.14 ml of fluid (the answer says 700ml which is very close)

Step-by-step explanation:

Step 1: Formula of volume of a cylinder is pi*r^2*h

where value of pi is 3.14

r is the radius

h is the height of the bottle (height is different for both bottles)

After putting the values and estimated radius for both as 3.26, we get the volume of the taller bottle.

You can extract the radius by following this method:

Volume of a cylinder = pi*r^2*h (now put the value of the known volume and height of the smaller cylinder)

500 = 3.14 * (r)^2 *15

500/(3.14*15) = r^2

10.616 = r^2

Taking sqrt. on both sides

We get r = 3.26

Now put the same value in the formula of volume with the radius and height. You will get the answer for second bottle.

V= 3.14 * (3.26)^2 *21

V= 701.14 (approx)

5 0
4 years ago
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What is the standard form for 1/2x=3/8y
svp [43]
Use the formula, rewrite in standard form.
x/2 - 3y/8 = 0
Hope this helps! :)
5 0
4 years ago
32 is 40 percent of what number?<br> A. 12.8<br> B. 128<br> C. 80<br> D. 800
brilliants [131]
0.4 * x = 32
x = 32 / 0.4 = 80 :D
8 0
4 years ago
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How many pensioners should be in the sample
DENIUS [597]

Answer:

12

Step-by-step explanation:

6 0
4 years ago
Find the circumference
AleksAgata [21]
12 times 3.14 = 37.68 CM
C=D x 3.14
5 0
3 years ago
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