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In-s [12.5K]
3 years ago
8

Quadrilateral RSTU is a parallelogram. What must be the value of x?

Mathematics
2 answers:
Luba_88 [7]3 years ago
7 0
I set x-3 and 3x-13 equal to each other and then got x equal to 5. So, I believe the correct answer would be C.) 5
Vlada [557]3 years ago
3 0

In this question, the  given quadrilateral is a parallelogram. And in a parallelogram, diagonals bisects each other. Therefore,

the parts of the diagonal with lengths

x-3  \ and \ 3x-13

have to be equal. That is

x-3=3x-13
\\
-3+13 = 3x-x
\\
10 =2x
\\
x =5

So out of the given options, correct option is the third option .


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Plz plz plz help me ill give brainliest i just really need help
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X2 is the GCF of this polynomial.
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A bag contains 12 green marbles and 9 white marbles. In simplest form, what are the odds in favor of drawing a white marble? A.
marin [14]

Answer:

3         :4

Step-by-step explanation:

Remember that odds are different than probability

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3 years ago
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Explain why 3(5x) does not equal to (3 times 5)(3times x)
Anit [1.1K]

Answer:

Because 3(5x) is the same as 3 *5 * x

Step-by-step explanation:

When a number is next to another in parantheses, it signifies multiplication. In this case, we already have 5 and x grouped together by a multiplication sign, so the entire thing is 5 * x. The statement below is key

Distribution in multiplication is only possible if a variable is grouped to another real number by a plus or minus sign.

So in this case, we have 3 * 5 * x, which is 15x. However, if we had 3(5 + x), we would have 15 (3 * 5) + 3x (3 * x).

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7 0
3 years ago
8x+16=14x<br><br><br>checking my awnser
Firdavs [7]

8x + 16 = 14x

To solve this equation, move everything containing the variable you want to solve for on one side of the equation and everything else to the other side of the equation.

Let's start by subtracting 8x from both sides to have the variable x all on the right side of the equation. Once you subtract 8x from both sides, your equation will now look like this:

16 = 6x

To solve for the variable x, you want to divide both sides of the equation by 6 to isolate x and therefore find your answer. Divide both sides by 6 and your equation should look like this:

16/6 = x

Simplifying 16/6 into a mixed number ⇒ 2 2/3

Your answer is x = 16/6 or 2 2/3.

8 0
3 years ago
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