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Anna [14]
3 years ago
9

Which number should each side of the equation 34x=9 be multiplied by to produce the equivalent equation of x = 12?

Mathematics
2 answers:
zhuklara [117]3 years ago
5 0

For this case, we have the following equation:

\frac {3} {4} x = 9

We must find a number that when multiplied on both sides of the equation, as a result:

x = 12

So, if we multiply 9 * \frac {4} {3} = 12

Now, the left side must also be multiplied by \frac {4} {3}so as not to alter the equation:

\frac {3} {4} x * \frac {4} {3} = x

Finally we havex = 12

Thus, the number is \frac {4} {3}

Answer:

Option C

Tanzania [10]3 years ago
4 0

Answer:

C. 4/3

Step-by-step explanation:

The original equation is [3/4]x = 9

To solve for x, you have to multiply both sides by 4/3

[4/3] ×[3/4]x = 9×[4/3]

x = 36/3 = 12

Answer: C. 4/3

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Answer:

452.16 mm squared is a correct answer.

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3 0
3 years ago
Solve 1/2x + 3 > 2(x-5/2)
Likurg_2 [28]

Answer:

1/4x (8 x - 15)

Step-by-step explanation:

write the division as a fraction

1/2x + 3/2x (x - 5 ÷ 2)

factor out 1/2 from the expression.

1/2x(x + 3(x - 5 ÷ 2))

divide the numbers.

1/2x(x + 3(x - 2.5))

distribute 3 through the parentheses.

1/2x(x + 3x - 7.5)

collect like terms.

1/2x(4x - 7.5)

1/2x(4x - 15/2)

factor out 1/2 from the expression.

1/2 x 1/2 x (8 x - 15)

multiply the fractions

= 1/4 x (8x - 15)

or alternative form

= 0.25(8x - 15)

6 0
3 years ago
you walk into a room.on the bed,there 2 dogs, 4 cat, a girrafe, 5 cows and a duck.there are also three chickens flying above the
Tems11 [23]

Answer:

50 legs

Step-by-step explanation:

We know that a dog has 4 legs, a cat has 4 legs, a giraffe has 4 legs, a duck has 2 legs, and a chicken has 2 legs. So, we want to calculate 2(4)+4(4)+1(4)+5(4)+1(2)+3(2), right?

Wrong! It's a trick question! The chickens aren't on the floor, so they don't count. So, we really want 2(4)+4(4)+1(4)+5(4)+1(2).

We multiply it out to get 8+16+4+20+2.

We add these up to get 50.

So, our answer is \boxed{50} legs.

6 0
2 years ago
The length of the longer leg of a right triangle is 19ft more than five times the length of the shorter leg. the length of the h
dangina [55]
Let x represent the length of the shorter leg.

Longer leg: 5x +19
Hypotenuse: 5x +20

Pythagorean theorem:
.. x^2 +(5x +19)^2 = (5x +20)^2
.. x^2 +25x^2 +190x +19^2 = 25x^2 +200x +20^2 . . . . . . eliminate parentheses
.. x^2 -10x -39 = 0
.. (x -13)(x +3) = 0
.. x = 13 . . . . . . . . . . leg lengths must be positive

The side length of the triangle are 13, 84, 85 feet.
7 0
3 years ago
12.) What is the area of the triangle in the coordinate plane?
nirvana33 [79]

Answer:

18u most likely

Step-by-step explanation:

the triangle is 6 units wide and half of it (the height) is 6. so 6 x 6 = 36 divided by 2 = 18u

7 0
3 years ago
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