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JulsSmile [24]
3 years ago
8

Divided 3/4 divided by 1/5

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0

Answer:

3 /4 ÷  1 /5 =  15 /4 = 3 3/4

Step-by-step explanation:

o-na [289]3 years ago
3 0

Answer:

\frac{15}{4}

Can also be written as the following,

3\frac{3}{4}

Step-by-step explanation:

First, set up the given problem,

\frac{3}{4} ÷ \frac{1}{5}

In order to divide two fractions, one must take the reciprocal of the second fraction and then change the multiplication sign to a division sign. Apply this technique to the given problem,

\frac{3}{4} ÷ \frac{1}{5}

\frac{3}{4} * \frac{5}{1}

Multiply,

\frac{15}{4}

Convert to a mixed number. To convert an improper fraction to a mixed number, one must divide the numerator (number on top of a fraction) by the denominator (number under the fraction bar), write the whole value to the left of the fraction, and the remainder of the division in place of the numerator.

3\frac{3}{4}

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Determine which of the following ordered pairs satisfies the given system of equations.
alekssr [168]

Answer:

(-3,2)

Step-by-step explanation:

1) -2x+y=8

you need to leave the Y alone on one side. Then, the term -2x goes to the other side with its opposite sign which is +.

y=8+2x

2) y=2x/(5-8)

3) 8+2x=2x/(5-8)

now, you need the x value. for that, you need to leave x alone on one side.

8+2x=2x/(-3)

8+2x=-(2/3)x

8=-(2/3)x-2x

8=-(8/3)x

8/-(8/3)=x

-3=x

4) you now have the x value. you need the y value. for that, replace the x in one of the given equations. let´s use the 1st equation.

-2x+y=8

y=8+2x

y=8+2*(-3)

y=2

result:

x= -3

y=2

8 0
3 years ago
F(x) = x2 + 9, g(x) = *square root of* x + 8, <br><br> find g(f(x))
ICE Princess25 [194]

Answer:

  g(f(x)) = √(x^2 +17)

Step-by-step explanation:

For ...

  f(x) = x^2 +9

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The definition of g(f(x)) is ...

  g(f(x)) = g(x^2 +9) = √((x^2 +9) +8)

  g(f(x)) = √(x^2 +17)

6 0
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Answer:

9

Step-by-step explanation:

112/12= 9.3

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The probability a person is infected by a certain cold virus is 0.2. If a random sample of 12 people is taken, what is the proba
inna [77]

Answer:

If 0.2 = 20%, The probability that 1 person will be infected is 100%, according to theory.

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3 years ago
I need help with question 18 PLS!!!!
dolphi86 [110]

Answer:

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Step-by-step explanation:

( -a ) ( b ) ( -a + b )

-6 ( 3 ) ( -6 + -3 )

-6 ( 3 ) ( -9 )

 - 18 ( -9 )

     162

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