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Sedaia [141]
2 years ago
10

I need help Solve for X when:2X=8

Mathematics
1 answer:
Umnica [9.8K]2 years ago
5 0

Answer:

x=4

Step-by-step explanation:

x=8/2 =4

this question is quite easy

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Solve (x – 3)2 = 49. Select the values of x.
PIT_PIT [208]

Answer:

<h3>x = 27.5</h3>

Step-by-step explanation:

(x - 3)2 = 49 \\  \frac{(x - 3)2}{2}  =  \frac{49}{2}  \\ x - 3 = 24.5 \\ x - 3 + 3 = 24.5 + 3 \\ x = 27.5 \\

6 0
2 years ago
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18% of 90 is what number?
bearhunter [10]
<span>90/x=100/18</span>
<span>(90/x)*x=(100/18)*x       - </span> multiply both sides of the equation by x
<span>90=5.55555555556*x       - </span>divide both sides of the equation by (5.55555555556) to get x
<span>90/5.55555555556=x </span>
<span>16.2=x </span>
<span>x=16.2</span>
<span>18% of 90=16.2
</span><span>
</span>
4 0
3 years ago
Read 2 more answers
You are knitting a blanket. You want the area of the blanket to be 24 feet squared . You want the length of the blanket to be 2
Sauron [17]
Think of it this way: x multiplied by a number that is two more than x is y.
So, look at the factors. 3 and 8 wouldn't work, because 8 is 5 longer than 3. 1 and 24 wouldn't work, because 24 is 23 more than 1. 12 and 2 is also not going to work; 12 is 10 more than 2. What you have left is 4 and 6. 6 is 2 more than 4, and they both multiply to get 24.

So, the correct answer is 6 feet long and 4 feet wide.
4 0
3 years ago
Read 2 more answers
What is 575% written as a mixed number
disa [49]
575/100==23/4=5 3/4

hope this helps!
7 0
3 years ago
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If using the method of completing the square to solve the quadratic equation
lara [203]

Answer:

x² + 7x + 10 = 0

Subtract 10 from both sides

x² + 7x = -10

Use half the x coefficent (7/2) as the complete the square term

(x + 7/2)² = -10 + (7/2)²

   note: the number added to "complete the square" is (7/2)² = 49/4

(x + 7/2)² = -10 + 49/4

(x + 7/2)² = 9/4

Take the square root of both sides

x + 7/2 = ±3/2

Subtract 7/2 from both sides

x = -7/2 ± 3/2

x = {-5, -2}

6 0
2 years ago
Read 2 more answers
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