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Gennadij [26K]

2 years ago

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Mathematics

2 answers:

muminat2 years ago

6 0

Step-by-step explanation:

by adding 12 to both sides, we get

Wittaler [7]2 years ago

4 0

If you’re tryouts bf to fin x it’s X=26

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A garden hose having an internal diameter of 0.740 in. ( 1.8796 cm ) is connected to a lawn sprinkler that consists merely of an

lara31 [8.8K]

Answer:

It will leave the sprinkler at speed of $v_2=613.87m/sec$

Step-by-step explanation:

We have given internal diameter of the garden hose $d_1=0.740in=1.8796cm$

So radius $r_1=\frac{d_1}{2}=\frac{1.8796}{2}=0.9398cm$

So area $A_1=\pi r_1^2=3.14\times 0.9398^2=2.7733cm^2$

Water in the hose has a speed of 4 ft/sec

So $v_1=4ft/sec=121.92cm/sec(As\ 1ft/sec\ =30.48cm/sec)$

Number of holes n = 36

Diameter of each hole $d_2=0.1397cm$

So radius $r_2=0.0698cm$

So area $A_2=\pi r^2=3.14\times 0.0698^2=0.0153cm^2$

From continuity equation

$A_1v_1=nA_2v_2$

$2.7733\times 121.92=36\times 0.0153\times v_2$

$v_2=613.87m/sec$

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2 years ago

Find the difference in simplest form. 2b/b^2-2b+1 - 2/b^2-2b+1

kolezko [41]

1) factor the denominators: 2b/(b-1)2 - 2/ (b-1)2
2) MAKE SURE YOU HAVE A COMMON DENOMINATOR
3) combine the numerators: 2b-2/(b-1)2
4) distribute 2 from numerator: 2(b-1)/(b-1)2
5) simplify; answer is 2/(b-1)

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2 years ago

Show that 551 is a rational by writing it in the form a/b, where a and b are integers

igor_vitrenko [27]

Answer:

551/1

Step-by-step explanation:

$551 = \dfrac{551}{1}$

Any integer can be written as a rational number with a denominator of 1.

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Leo has 99 stamps compared to kamela

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Write these numbers in order of size. Start with the smallest number. 52 102 25 120 55

Anton [14]

The answer is 25 52 55 102 120

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2 years ago

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