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Snezhnost [94]
2 years ago
10

Solve for x: x2 = 16

Mathematics
2 answers:
WITCHER [35]2 years ago
8 0

Take the root of both sides and solve.

x = 4, −4

Paha777 [63]2 years ago
7 0

Answer:

8

Step-by-step explanation:

to get x alone you divide the 2 away on both sides, getting x = 8. To check multiply 8 by 2 and you get 16.

Hope this helps!

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Which of these might describe expenses for a student? Select all that apply.
lubasha [3.4K]

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Foods and shoes thats it

Step-by-step explanation:

8 0
3 years ago
The bells are adding a new room to their house. The room will be a cube with volume 8,000 ft^3. They are going to put in hardwoo
Mandarinka [93]

Answer:

$4000

Step-by-step explanation:

Given that :

Volume of cube = 8000 ft³

Charge per ft² = $10

Recall, volume of a cube = a³

Where a = edge

Hence,

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Hence,

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8 0
3 years ago
4 times a number is 32 less than the square of that number. Find the negative solution.
zvonat [6]

Answer:

<u>The negative solution is -4</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

x = a number

4x = x² - 32 (4 times a number is 32 less than the square of that number)

2. Let's solve for x and find the negative solution:

4x = x² - 32

-x² + 4x + 32 = 0

x² - 4x - 32 = 0 (Multiplying by - 1)

(x - 8) (x + 4) = 0

(x₁  - 8) = 0

(x₂ + 4) = 0

x₁ = 8

<u>x₂ = -4</u>

<u>The negative solution is -4</u>

3 0
3 years ago
The distance between -7 and 2 on the number Iine is<br> O 10<br> 09<br> 0-5<br> 05
mr Goodwill [35]

Answer:

9

Step-by-step explanation:

Calculate the absolute difference of the 2 points, that is

| - 7 - 2 | = | - 9 | = 9 , or

| 2 - (- 7) | = | 2 + 7 | = | 9 | = 9

5 0
3 years ago
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