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s2008m [1.1K]
3 years ago
10

6/15=3/x solve for x

Mathematics
2 answers:
nlexa [21]3 years ago
7 0

Answer: 7.5


Step-by-step explanation:

• Cross multiply : start by multiplying 15 times 3

• You get 45, then you divide 45 by 6

• Therefore, this gives you 7.5

• Check your answer by plugging in 7.5 to x

• Both fractions should equal 0.4, meaning they are equal to each other


denis23 [38]3 years ago
3 0

Answer:15/2


Step-by-step explanation:


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$200 in the ratio 1:2:2 working out
gtnhenbr [62]

Answer: 40:80:80

Step-by-step explanation:

The ratio is 1:2:2. This means, for every 5, the money is split in a ratio of 1:2:2. Let’s calculate how many 5s there are in 200. 200 / 5 = 40. So, the money will be split in 1:2:2 every 5 dollars 40 times.

Excellent. So, we can easily find out the ratio by multiplying the ratio 1:2:2 by 40. 1*40:2*40:2*40 = 40:80:80. Let’s add these up, and see if they result in 200. 40 + 80 + 80 = 200. So, our answer is correct.

Hope this helps!

4 0
3 years ago
Let f(x) = 4x - 5 and g(x) = 6x - 3. Find f(x) - g(x).
professor190 [17]
F(X) = 4x - 5
G(X) = 6x - 3

F(x) - G(x)

(4x - 5) - (6x - 3)

4x - 5 - 6x + 3

-2x - 2

-2(X + 1).

I believe this would be the simplified solution.
3 0
3 years ago
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VikaD [51]

Answer:

3.7

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3 years ago
Which value from the set {2, 3, 6, 7} makes 3x + 5 = 11 true?
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2

Step-by-step explanation:

3 x 2 = 6 + 5 = 11

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