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Anon25 [30]
3 years ago
8

2/7 = 4/5 + 1/7 q answe for q

Mathematics
1 answer:
Alchen [17]3 years ago
7 0

Answer:

??

Step-by-step explanation:

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Anyone know how to do this??
Ghella [55]

Answer:

csc²(x)

Step-by-step explanation:

csc(x) = 1/sin(x)

sin²(x) + cos²(x) = 1

=> cos²(x) = 1 - sin²(x)

cos(2x) = cos²(x) - sin²(x) = (1 - sin²(x)) - sin²(x) =

= 1 - 2×sin²(x)

=> 2×sin²(x) = 1 - cos(2x)

sin²(x) = 1/2×(1-cos(2x))

=> 1 - cos(2x) = 2×(1/2×(1-cos(2x)) = 2×sin²(x)

=> 2 / (1-cos(2x)) = 2 / (2×sin²(x)) = 1/sin²(x) =

= 1/sin(x) × 1/sin(x) = csc(x)×csc(x) = csc²(x)

6 0
3 years ago
HELP HURRY <br> Find the distance from A to C.<br><br> 12<br><br> 74<br><br> 6
Rainbow [258]

Answer:

It's B :)

Step-by-step explanation:

5 0
3 years ago
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Is 11/15 less than 1/2
Art [367]
No because if you convert them into a percentage, you get 11/15 as 73.3% and 1/2 is 50%. Hope this helps
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3 years ago
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What are the x and y intercepts of 4x-5y=100?
boyakko [2]
X intercept= (25,0)
y intercept=  (0,-20)
7 0
3 years ago
The case of a rectangular electronic tablet has an area of A square inches. The length of the case is 12.5 in. Which equation re
Marizza181 [45]

Answer:

A/12.5=h

Step-by-step explanation:

A is 12.5 x h so you do inverse to work out height

3 0
3 years ago
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