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Nastasia [14]
3 years ago
11

Which of the following methods would be the easiest to use to solve x2 – 7 = 0?

Mathematics
2 answers:
Talja [164]3 years ago
8 0
Add the 7 to both sides and then divide both sides by 2.  Only way to solve, actually!!
andreev551 [17]3 years ago
6 0
Look at the picture. Hope it can help

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Find the area of the shaded region in square units ​
Kaylis [27]

Answer:

There is nothing there...

Step-by-step explanation:

I wish I could help you but you need to put in a picture or diagram

5 0
3 years ago
This afternoon, Sara noticed that the number of the page assigned for homework is divisible by both 12
max2010maxim [7]

Answer:

12

Step-by-step explanation:

Well, 12/12=1, which I guess is the smallest number we can get, and 12 is divisible by 2 too.

7 0
3 years ago
Ayuda por favor, me ayudan a resolverlo porfa.
frosja888 [35]
Where is the photo u forgot it
8 0
2 years ago
[50 pts] An even number, n, times the next consecutive number, n + 2, is equal to 168. Find the original number.
ale4655 [162]

<u>We are given:</u>

An even number 'n', multiplied by the next consecutive even number is 168

<u>Solving for n:</u>

From the given statement, we can say that:

n(n+2) = 168                      [<em>n multiplied by the next even number 'n+2'</em>]

n² + 2n = 168

n² + 2n - 168 = 0               [<em>subtracting 168 from both sides</em>]

We can see that we now have a quadratic equation, solving using splitting the middle term

n² + 14n - 12n - 168 = 0

n(n + 14) -12(n + 14) = 0      <em>[factoring out common terms</em>]

(n-12)(n+14) = 0

Here, we can divide both sides by either (n-12) OR (n+14)

Checking the result in both the cases:

(n + 14) = 0/(n-12)                     (n-12) = 0/(n+14)

n + 14 = 0                                 n - 12 = 0

n = -14                                      n = 12

Both these values are even and since we are not told if the number 'n' is positive or negative, both 12 and -14 are the possible values of n

4 0
2 years ago
How do I solve 3|x+10|=6
lianna [129]

Answer:

x=-8 x=-12

Step-by-step explanation:

Divide 3 to both sides

|x+10|=2

Set x+10 to equal 2 and -2

x+10=2 x+10=-2

solve both equations

x=-8/-12

5 0
3 years ago
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