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igomit [66]
3 years ago
13

Can anyone help with these 4 questions?

Mathematics
2 answers:
Zepler [3.9K]3 years ago
7 0
1. 60°
2. 120°
3. 96°
4. 90-50=40°

4 is a complimentary angle
Mnenie [13.5K]3 years ago
3 0

Answer:

hablas español?? Si o no ?

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Evaluate 7!.<br> Ο 120<br> Ο 5,040<br> Ο 40,320
timurjin [86]

Answer:

5040 is the answer of it

6 0
3 years ago
What is 48% 0f 60,000000
Tanzania [10]
That'd be : 28.8 . I hope this helps. This is it step by step. 

60/x=100/48
<span>(60/x)*x=(100/48)*x       </span>
<span>60=2.08333333333*x      
</span>(2.08333333333) to get x
<span>60/2.08333333333=x </span>
<span>28.8=x </span>
<span>x=28.8</span>
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3 years ago
Which situation is represented by the equation?
zaharov [31]
<span>Jill has $30 and Maddie has $60. Jill saves $4 per week and Maddie saves $2 per week. How long will it be before Jill and Maddie have the same amount of money?</span>
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3 years ago
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slamgirl [31]
I think the answer is (-8,-26)
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3 years ago
What are the exact solutions of x2 - 5x - 1 = 0?.
borishaifa [10]
x^2-5x-1=0\\\\a=1;\ b=-5;\ c=-1\\\Delta=b^2-4ac\\\\\Delta=(-5)^2-4\cdot1\cdot(-1)=25+4=29 \ \textgreater \  0\\\\therefore\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ \dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{5-\sqrt{29}}{2\cdot1}=\boxed{\dfrac{5-\sqrt{29}}{2}}\\\\x_2=\dfrac{5+\sqrt{29}}{2\cdot1}=\boxed{\dfrac{5+\sqrt{29}}{2}}
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3 years ago
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