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katrin2010 [14]
3 years ago
7

3(y + 10) using the distributive property

Mathematics
2 answers:
Mrrafil [7]3 years ago
7 0
3y+30 is the answer I think
Solnce55 [7]3 years ago
6 0

Answer:

3y+30

Step-by-step explanation:

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Helppppppppppp , GIVING BRANLIEST
maria [59]

Answer:

x=4,i\sqrt(3),-i\sqrt(3)

4 0
3 years ago
*please help asap!!! will mark brainliest!*
shutvik [7]

Answer:

16

Step-by-step explanation:

The number would be:

= 2 + (-6 + 20)

= 2 - 6 + 20 = 16

Hope this right because your question is not very clear! :3

5 0
3 years ago
18. When y = x?, which of the following expressions is<br> equivalent to -y ?
vitfil [10]

Answer:

-y=-x

The problem:

y=x then -y=?

Step-by-step explanation:

If y=x, then -y=-x.

Just like if u=9, then -u=-9.

Or, if -m=8, then m=-8.

5 0
3 years ago
A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s heigh
Nataly_w [17]

Answer D). 9 ft is correct

Height of the ball at a horizontal distance of 10 feet is 9 ft

Step-by-step explanation:

A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s height (y).

Y(x) = -0.02x^{2} +0.8x+3

Question asked is " What will be height (Y) of the ball when X=10 ft "

Simply putting value of X in given equation

we get,

Y(x) = -0.02x^{2} +0.8x+3

Y(x) = -0.02(10)^{2} +0.8(10)+3

Y(x) = -0.02(100)} +8+3

Y(x) = -2 +8+3

Y(x) = 9

<em>Therefore,</em> Height of the ball at a horizontal distance of 10 feet is 9 ft

Answer D.  9 ft is correct

6 0
3 years ago
Plz help me it's very important I pass
Elis [28]
The answer is 30%) because all the angles of a triangle needs to add up to 180 so 180-75-75= 30
6 0
3 years ago
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