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Nadya [2.5K]
3 years ago
7

2. What is the value of win this equation? 5w+ 3 = 9

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

w = 1.2 or 6/5

Step-by-step explanation:

math

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when you reverse the digits in a certain two-diget number you increase it value by 27. What is the number if the sum of its digi
Fynjy0 [20]
The number is = 10x+y
if reverse the digits, the number is: 10y+x
The sum fo its digits is =  x+y=5
I suggest this system of equations:
(10y+x)-(10x+y)=27    ⇒9y-9x=27
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We can solve this system of equations by equaliztion method
x=5-y

9y-9(5-y)=27
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Name of devices is used for drawing curves which can't be drawn by a compass<br>​
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A protractor can be used!
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3 years ago
4. Find the circumference of the circ All changes saved
Nat2105 [25]

Answer:

A. 62.8 in.

Step-by-step explanation:

Circumference of a circle = πd

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Substitute

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Circumference = 62.8 in. (Approximated to nearest tenth)

4 0
3 years ago
Simplify 24 – 6x – 18 + 5x<br><br> 3 – 3x<br><br> –x + 6<br><br> 2x – 3<br><br> –4x – 17
Svetach [21]

= <span><span>−x</span>+6</span>

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<span>= </span><span><span>−x</span>+6</span>
= <span><span>2x</span>−3</span>

<span>= <span><span>−<span>4x</span></span>−<span>17</span></span></span>


6 0
3 years ago
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