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yawa3891 [41]
3 years ago
7

If x:6 as 3:9, then x is equal to

Mathematics
1 answer:
lana66690 [7]3 years ago
6 0

Answer:

the value of x in simplified form is 2.

Step-by-step explanation:

Given;

x:6 as 3:9

the value of x can be obtained if this ratio is transformed into fraction form.

in fraction form, this ratio can be written as;

\frac{x}{6} = \frac{3}{9} \\\\simplifying\ this \ equation\ we \ will \ have \ the \ following \ result;\\\\x = \frac{ 6\times 3}{9} \\\\x = \frac{18}{9} \\\\x = 2

Therefore, the value of x in simplified form is 2.

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I don’t understand this at all
Lemur [1.5K]

9514 1404 393

Answer:

  9(x +y)

Step-by-step explanation:

You observe that both terms have a coefficient of 9. The distributive property lets you factor that out, so you can rewrite the expression as ...

  9x +9y = 9(x +y)

_____

It might help to think of parentheses as a "bag." The expression 9(x+y) tells you the contents of one bag is (x+y) and you have 9 of them. You could think of x, and y as representing two different physical objects, for example, perhaps a ball and a cube.

The first expression, 9x +9y, tells you that you have 9 of each of these objects. The distributive property says this could be the result of dumping the contents of 9 bags, each containing one each of the objects. The expression 9(x+y) is the version of the expression that shows these objects as being grouped into 9 bags.

3 0
3 years ago
7(4x - 2) - 4(2x - 8)
vesna_86 [32]

Answer:

20x + 18

Step-by-step explanation:

We need to use the distributive property, where we essentially take the sum of the product of the outside number with each of the inside terms.

In 7(4x - 2), 7 is the outside number and 4x and -2 are the inside numbers, so:

7(4x - 2) = 7 * 4x + 7 * (-2) = 28x - 14

In 4(2x - 8), 4 is the outside number and 2x and -8 are the inside numbers, so:

4(2x - 8) = 4 * 2x + 4 * (-8) = 8x - 32

Now, we have:

28x - 14 - (8x - 32) = 28x - 14 - 8x + 32 = 20x + 18

The answer is 20x + 18.

6 0
3 years ago
Read 2 more answers
Geometry QwQ ////3 ..... help....please....
Ulleksa [173]
Triangle AGB is congruent to Triangle CGB.
3 0
3 years ago
Binomial Probability
ASHA 777 [7]

Answer:

4.39% theoretical probability of this happening

Step-by-step explanation:

For each coin, there are only two possible outcomes. Either it lands on heads, or it lands on tails. The probability of a coin landing on heads is independent of other coins. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Theoretically, a fair coin

Equally as likely to land on heads or tails, so p = \frac{1}{2} = 0.5

10 coins:

This means that n = 10

What is the theoretical probability of this happening?

This is P(X = 2).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{10,2}.(0.5)^{2}.(0.5)^{8} = 0.0439

4.39% theoretical probability of this happening

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=xy%20%2B%206x%20%2B%203y%20%2B%2018%20%5C%5C%20" id="TexFormula1" title="xy + 6x + 3y + 18 \\
Arisa [49]
I could answer this if you could tell me the value of one of the letters
6 0
3 years ago
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