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Eva8 [605]
3 years ago
10

What is the value of x? Enter your answer in the box. x =

Mathematics
1 answer:
tresset_1 [31]3 years ago
5 0
These are vertical angles, meaning they are congruent by definition. Thus, you can set the angles' expressions equal to each other and solve for x this way:

3x + 50 = 6x - 10
3x + 60 = 6x
60 = 3x
20 = x

Answer:
x = 20
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Factoring math/////////
damaskus [11]

Answer:

Step-by-step explanation:

If you want to factor this, you have to use the quadratic formula to do so.

x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}

For us, it looks like this:

x=\frac{-3+/-\sqrt{(-3)^2-4(5)(4)} }{2(5)}

which simplifies to

x=\frac{-3+/-\sqrt{-71} }{10}

Since it breaks every mathematical rule to have a negative number under an even index radical, we have to deal with that using the imaginary "i".  You should know at this point that i^2=-1

so we will do a rewrite on that equation above:

x=\frac{-3+/-\sqrt{i^2*71} }{10}

which simplifies further to

x=\frac{-3+/-i\sqrt{71} }{10}

This is the answer but we can separate it into its proper standard form which is

x=-\frac{3}{10}+\frac{\sqrt{71} }{10}i and x=-\frac{3}{10}-\frac{\sqrt{71} }{10}i

8 0
3 years ago
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Express the ratio below in its simplest form. 18:9
Ulleksa [173]
2:1 is the ratio to that question
8 0
3 years ago
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mr burns class is taking a field trip to the planetarium. The trip will cost $27 for each student. There are 18 students in his
avanturin [10]
So, 27=30 and 18=20 rounded 

so what you would do now is multiply 30 x 20 and you get $600
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3 years ago
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Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
ira [324]

Do you do this you will take 16×200 sandwich is 13 and 26 and then you take that and divided by 12:50 which is 1199 and take 1199 divided by the square root of 10 which will get you 1327
4 0
3 years ago
Please help on number 12 i don’t know how to do it
Ilia_Sergeevich [38]

Answer:

try using the point (1,13)

Step-by-step explanation: I pulled up and online graph to help and the distance from A to B is 7/2. So then you would do B, plus 7/2. If that's wrong, I'm sorry, but i tried.

6 0
3 years ago
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