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Ganezh [65]
3 years ago
6

X-2=-9 i need the answer quick please! thanks btw :P

Mathematics
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

X=-7

Step-by-step explanation:

When "subtracting" negatives it's basically like adding them together, but the numbers get farther away from 0 going left... The equation could look like

-7 - 2 = -9 <em>or </em>-7 + (-2) = -9 :)

TiliK225 [7]3 years ago
8 0

Answer:

x=-7

Step-by-step explanation:

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The construction below demonstrates a hexagon inscribed in a circle.
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If x is subtracted from 5 and the result is greater than 15. Find the range of values of x
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Answer:

x<-10

Step-by-step explanation:

You can write this inequality:

5-x>15

Solving it:

5-x>15

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4 0
3 years ago
17.What is the algebraic expression for ‘ x less than two times a number y.’ a) 2y – x b) x – 2y c) 2x – y d) none of these​
hichkok12 [17]

The answer will be option a) 2y - x.

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8 0
3 years ago
1. What is the value of n?
Karo-lina-s [1.5K]
N=5
AC = 33
AC = 150

Explanation:
If two chords intersect inside a circle, the products of their segments is equal.  For this circle, this means that
(n+1)(18)=(n+7)(9)

Using the distributive property on both sides,
n*18+1*18 = n*9+7*9
18n+18=9n+63

Subtract 9n from both sides:
18n+18-9n=9n+63-9n
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Subtract 18 from both sides:
9n+18-18=63-18
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Divide both sides by 9:
9n/9 = 45/9
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The measure of an inscribed angle is equal to half of the measure of the intercepted arc.  For the second image, this means that
2.5x+4=1/2(7x-2)

Using the distributive property: 
2.5x+4=1/2(7x)-1/2(2)
2.5x+4=3.5x-1

Subtract 2.5x from both sides:
2.5x+4-2.5x=3.5x-1-2.5x
4=1x-1

Add 1 to both sides:
4+1=1x
5=1x
5=x

Substitute this in for x in AC:
7x-2=7*5-2=35-2=33

For the third image, we have
75=1/2(AC)

Multiplying both sides by 2:
75*2=AC
150=AC
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4 years ago
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