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N76 [4]
3 years ago
11

Sean wrote a number on a piece of paper.

Mathematics
1 answer:
just olya [345]3 years ago
8 0
The Sean's number is x. Formulate the equation:

x * 5 : 2 = 30
5x = 30 * 2
5x = 60
x = 60 : 5
x = 12

Answer: the Sean's number is 12.
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Solve the equation 5x+2-x=-4x
AVprozaik [17]
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2 = -8x

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8 0
4 years ago
Read 2 more answers
Find x for equation 10 points
alexgriva [62]

Hi!

3x - 30 = x + 10

<h3>Solve by isolating x on one side. </h3><h3>Add 30 to both sides. </h3>

3x - 30 + 30 = x + 10 + 30

3x = x + 40

<h3>Subtract x from both sides. </h3>

3x - x = x - x + 40

2x = 40

<h3>Divide by 2 on both sides</h3>

2x/2 = 40/2

<u>x = 20</u>

<h2>The answer is x = 20</h2>

Hope this helps! :)

-Peredhel

6 0
4 years ago
Need help ASAP PLEASE!!!!
stepan [7]
Look at the face of the pyramid facing you.  The length of the base of this pyramid is 82 m; half of that is 41 m.  

If you were to draw a straight vertical line through the vertex of the pyramid, the bottom of this line would be at the very center of the base and also be 41 in perpendicular distance from any of the edges of the base of this pyramid.

Let the height of the pyramid be y, as measured upward from the center of the base of the pyramid.  This center is, as before, 41 m from any side of the pyramid base, a horiz. distance.

Then, tan 52 deg = y / 41 m, and so y = height of pyramid =

(41 m)(tan 52 deg)  = (41 m) (1.28) = 52.48 m
6 0
4 years ago
WILL GIVE BRAINLEST TO WHOEVER ANSWERS THXS &lt;3
ikadub [295]

hmmm i would help but I completely forgot

4 0
2 years ago
Whats 4/9 divided by 3/7 equal
Alexeev081 [22]

Answer:

1.03703703704

Step-by-step explanation:

i d k if this is what ur looking for but hope this helped :)

8 0
3 years ago
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