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Makovka662 [10]
2 years ago
15

Find the value of x.

Mathematics
1 answer:
Maslowich2 years ago
6 0
The value of x is would be A
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Ok.

3 8.25

6 16.5

9 24.75

14

8.25/3=2.75

14*2.75=

<h2><u><em>38.5</em></u></h2>

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The major axis for a particular planet is known. in order to determine the perihelion and the aphelion, what other information a
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Question 7 (1 point)<br> Sovle for x.<br> x2<br> 625
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8 0
2 years ago
A rational number is such that when you multiply it by 5/2 and add 2/3 to the product, you get 7/12. What is the number?
Afina-wow [57]

Answer:A rational number is such that when you multiply it by 5/2 and add 2/3 to the product you get -7/12 . What is the number.

Step-by-step explanation:Let p/q (q ≠ 0) denote the rational number. Multiplying it by 5/2 gives (p/q)(5/2). Add 2/3 to the product and we get (p/q)(5/2) + 2/3 . The result is given to be -7/12.

∴ (p/q)(5/2) + 2/3 = -7/12 …………………………..……………………………………..(1)

Transposing 2/3 to right-hand-side and changing the sign to negative,

(p/q)(5/2) = -2/3 -7/12 = -(2/3 + 7/12) =- (2 x 4 + 7)/12 (Taking L.C.M.)

Or, (p/q)(5/2) = -(8+7)/12 = - 15/12

Multiplying both sides by 2/5,

(p/q)(5/2) x (2/5) = -15/12 . 2/5 = -(3x5)/(3x4) . 2/5 =- 5/4 .2/5

Since 2/5 is the multiplicative inverse of 5/2, 5/2 x 2/5 = 1 and we obtain

(p/q).1 = -1/4 . 2/1 = -1/2

⇒ p/q = -1/2 which is a negative rational number in which p = 1 and q = 2 ≠ 0 .

∴ the rational number = -1/2

3 0
3 years ago
I need help anyone will do I need help quick
sveta [45]
8 and 0

Hopefully this helps you
3 0
3 years ago
Read 2 more answers
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