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trapecia [35]
3 years ago
13

Can someone help me on this problem please! Find the value of Y

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0
The angle 53° is half the difference of the intercepted arcs, so is
  53 = (180 - y)/2
  106 = 180 - y
  y = 180 - 106 = 74
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Christine took 3 tests and had an average of 76. She has one more test to take and she wants an average of 80. What is the lowes
amm1812

Answer: She has to score a minimum of 92 marks to take her average to 80

Step-by-step explanation:

Let the equation be

Three months total = 76 x 3 = 228

(x + 228) / 4 = 80

x + 228 = 80 x 4

x = 320 - 228

x = 92

6 0
3 years ago
The price of an item has been reduced by 45% the original price was $61
Olegator [25]

Answer:

27.45

Step-by-step explanation:

Do the math let me know if you need any more help thank you and make sure to mark me brainliest!

5 0
3 years ago
The functions f(x)=−3/4x+2 1/4 and g(x)=(1/2)^x+1 are shown in the graph.
Svet_ta [14]
-3x/4 + 9/4 = (1/2)^x + 1
-3x/4 - 2^-x = -5/4

(Using log rules)

㏑|-3x/4| - ㏑|2^-x| = ㏑|-5/4|
㏑|3x/4| - x㏑|2| = ㏑|5/4|
e^㏑|3x/4| - e^㏑|2|x = e^㏑|5/4|
|3x/4| - 2x = 5/4
|3x| - 8x = 5
|3x-8x| = 5
|-5x| = 5
|5x| = 5
x=1, -1




3 0
3 years ago
I need to know how to multiply 2/9×5/7
lord [1]

Answer: 10/63

Step-by-step explanation: To multiply fractions, you just time's the top numbers and then the bottom numbers by themselves.

For instance: 2 x 5 = 10

                       9 x 7 = 63

and there is your answer.

:)

4 0
3 years ago
Solve the system using elimination.
NeX [460]

Answer:

This equation has no solution

Step-by-step explanation:

if the same equation equals 2 different numbers then therefore there is no solution.

6 0
2 years ago
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