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Ksenya-84 [330]
2 years ago
12

X2 + 24x + 141.5 = 0

Mathematics
1 answer:
Tasya [4]2 years ago
4 0

Answer

x =(24-√816)/2=12-2√ 51 = -2.283

x =(24+√816)/2=12+2√ 51 = 26.283

Step-by-step explanation:

(Same thing)

x =(24-√816)/2=12-2√ 51 = -2.283

x =(24+√816)/2=12+2√ 51 = 26.283

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The product of 10 and a number is 3 less than the number.
djverab [1.8K]

Answer:

-1/3

Step-by-step explanation:

The product of 10 and a number is 3 less than the number.

Ok, lets call this number x.

10x = x-3 is how to algebraically write this out.

now, lets subtract x from both sides

9x = -3

Divide by 9

x = -1/3

5 0
1 year ago
Tell whether the given value is a solution of the inequality. (yes or no)<br><br> -2 ≤ k/3; k = -9
olga55 [171]

Answer:  No, it is not a solution

Work Shown:

-2 ≤ k/3

-2 ≤ -9/3

-2 ≤ -3

The last inequality is false because -3 should be smaller than -2 (not the other way around). Use a number line to help see this.

Since the last inequality is false, the original inequality must also be false for that particular k value. Therefore, k = -9 is not a solution.

4 0
2 years ago
3x+2.2is equal to x=1.7
Leviafan [203]

Answer:

7.3 answer

Step-by-step explanation:

x=1.7

now

3x+2.2

3×1.7+2.2

7.3

7 0
2 years ago
The length of a rectangular garden is 5 times its width.
Delvig [45]

Answer:

  • 10 m and 50 m

Step-by-step explanation:

<h3>Given</h3>
  • l = 5w
  • A = 500 m²
<h3>To find</h3>
  • Length and width
<h3>Solution</h3>

Area formula

  • A = lw
  • A= 5w*w= 5w²
  • 5w² = 500
  • w²= 100
  • w = √100
  • w = 10 m

Then

  • l = 5w = 5*10 m = 50 m

3 0
2 years ago
What is the area of the space that Nadia has shown for scrapbooking ​
Softa [21]

Answer:

52

Step-by-step explanation:

6 0
3 years ago
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