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Anon25 [30]
3 years ago
15

X= a) 50 b) 100 c) 25

Mathematics
2 answers:
Molodets [167]3 years ago
3 0

Answer:

x=a)50 so that would be the answer

would be e correct anwser meep meep

Step-by-step explanation:

jonny [76]3 years ago
3 0

Answer:

Step-by-step explanation:

x=a)50 so that would be the answer

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Write the equation of the linear relationship in slope-intercept form, using decimals as needed.
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Ok so look for the change between x and y.
7 0
3 years ago
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Is 18-3(2p+4) -3p equivalent to 3(2-3p)
Murljashka [212]

Answer:

<u>Yes they are equivalent.</u>

Step-by-step explanation:

Use PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction

Distribute or multiply -3 with 2p and 4 to get -6p and -12.

You will then have 18-6p-12-3p, simplify to get 6-9p

For the second equation multiply 3 with 2 and -3p, you will then get 6-9p as well.

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4 0
3 years ago
If the circular opening of the pipe has a diameter of 21 inches and the oil was estimated to be flowing at 30 inches/second, how
Anestetic [448]
This is a matter of Amount = Rate  times  time.

First, find the area of the circular opening.  A = pi (r^2).  Here,

A = pi(10.5 inches)^2.

To obtain the volume of water that flows out of the pipe per second, multiply this area by the 30 inches per second rate.

That comes out to a volume per second of  Volume rate = pi*(10.5 inches)^2 * 30 inches per second:

Volume rate = 3.14(110.25 in^2)(30 inches/sec)
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Convert this result to cubic feet per second.  Recall that 1 cubic foot = (12 inches)^3, or 1728 cubic inches / 1 cubic foot.

Thus, 10390.8 cubic inches per second comes out to

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               1728 cu. inches
                ---------------------
                  1 cu. ft

How many sec in 1 day?    1 day = 24 hours
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                                             60 seconds = 1 minute

Figure out how many seconds there are in 1 day, and then multiply your result by 6 cu. ft. / sec. 
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