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ololo11 [35]
3 years ago
5

Please Help! Solve for X

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
3 0

Answer:

x=2

I really don't know but I really tried

I really hope that this helps!

Vladimir79 [104]3 years ago
3 0
<h3>Given :</h3>

  • ax + by = lx - d

<h3>To Find :</h3>

  • Value of x = ?

<h3>Solution :</h3>

\tt \dashrightarrow ax + by = lx - d

\tt \dashrightarrow ax + by - lx + d= 0

\tt \dashrightarrow ax - lx + by + d= 0

\tt \dashrightarrow ax - lx = - by - d

By taking x common from (ax - lx), we get :

\tt \dashrightarrow x(a - l) = - by - d

\tt \dashrightarrow x = \dfrac{- by - d}{a-l}

Hence, values of \tt x = \dfrac{- by - d}{a-l}

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I do believe that the answer is 9/10
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3 years ago
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Polygon ABCD is dilated, rotated, and translated to form polygon A′B′C′D′. The endpoints of AB are at (0, -7) and (8, 8), and th
Anton [14]

Rotation and translation are rigid transformations, they don't change figure sizes. Dilation change figure sizes increasing or decreasing them by scale factor.

First, find AB and A'B' by the formula:

AB=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}= \sqrt{(8-0)^2+(8-(-7))^2}=\sqrt{8^2+15^2}=\sqrt{64+225}=\sqrt{289}=17,\\ \\A'B'=\sqrt{(x_{B'}-x_{A'})^2+(y_{B'}-y_{A'})^2}= \sqrt{(2-6)^2+(1.5-(-6))^2}=\sqrt{4^2+7.5^2}=\sqrt{16+56.25}=\sqrt{72.25}=8.5.

As you can see AB=2A'B'. This means that the segment AB was decreased twice to form segment A'B'. Then the scale factor is 1/2.

8 0
3 years ago
A  5 gallon mixture contains 40% acid. A 3 gallon mixture contains 50% acid. What percent is obtained by putting the two mixture
Nady [450]
(5/8)40 + (3/8)50 = 25 + 18.75 = 43.75%
6 0
3 years ago
Number 6. I have no idea how to do this because the question doesn’t give enough information
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3 0
3 years ago
18 out of the 25 students are going on the field trip. What percent of the students are going on the field trip?
il63 [147K]
Hello.
To find the percentage of how many students went on the field trip, we simply divide 18 by 25. 
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Convert decimal into fraction.
0.72 = 72%

Thus, 18 out of 25 students = 72% of students who are going on the field trip.

You're welcome.
6 0
3 years ago
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