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uysha [10]
3 years ago
15

Please help me! Thank yoouuuu!

Mathematics
2 answers:
zepelin [54]3 years ago
7 0
14;)()()(();)(((;(((((
-Dominant- [34]3 years ago
4 0

Hello.

This is how I would work out this question, please let me know if there are any flaws.

Write an equation:

9x+24+30x=180

We know that a straight line is an 180 degree angle, so both angles should have a sum of 180.

Now, we solve algebraically.

9x+24+30x=180

39x+24=180

39x+24-24=180-24

39x=156

39x/39=156/39

x= 4

Substitute 4 for x in each expression.

9x+24

9(4)+24

36+24

60

So, the first angle is 60 degrees.

30x

30(4)

120

The second angle is 120 degrees.

Angle AEB is opposite angle DEC, so that means it has the same value of 60 degrees.

∴The answer is 60 degrees.

Please check it over and try other ways of solving to make sure I have the correct answer. I tried my best, hope this helps!

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Take 9.5 gallons 6 1/3 poured out how much water is left in the tank
elena55 [62]
We can first convert 9.5 into fraction :

9.5= 9 1/2

Then we can use deduction to find out the answer:

9 1/2 - 6 1/3

=19/2 - 19/3

We change it to the same denominator:

=19×3/6 - 19×2/6

= 57/6 - 38/6

= 19/6

Therefore there are 19/6 or 3 1/6 gallons left in the tank.

Hope it helps!
4 0
3 years ago
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Mice21 [21]

Answer:

0.45

Step-by-step explanation:

8 0
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For which intervals the graphs of the functions f(x) = x^3 + x^2 - 4x - 4 is positive
Nookie1986 [14]

Step-by-step explanation:

Consider a function

f

(

x

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which is twice differentiable. The graph of such a function will be concave upwards in the intervals where the second derivative is positive and the graph will be concave downwards in the intervals where the second derivative is negative. To find these intervals we need to find the inflection points i.e. the x-values where the second derivative is 0.

5 0
3 years ago
? Help please and thanks
Rama09 [41]

Answer:

The similarity statement: FGHI ~ BCDE

Similarity ratio: 5:1

Step-by-step explanation:

The similarity statement is quite obvious, as there are only two rectangles shown, and the other one is "BCDE".

The similarity ratio is 5:1 because everything in the 1st (FGHI) rectangle is multiplied 5 times the values in the 2nd (BCDE) rectangle.

3 0
3 years ago
Choose the graph that represents the equation y=3[x+1]+1.
MatroZZZ [7]

Answer:

Step-by-step explanation:

Discussion

You haven't given us any choices. Always do that it you have them. Look for the graph that looks like the one below. It has the following characteristics

  • It opens upward
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7 0
2 years ago
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