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Gekata [30.6K]
3 years ago
12

Error analysis help me out

Mathematics
1 answer:
IrinaK [193]3 years ago
5 0

Answer:

1 - sin² θ = 1 - ( 1 - cos² θ) = cos² θ

tan x csc x = (sin x / cos x) * 1 / sin x = cos x

Step-by-step explanation:

1 - sin² θ = 1 - ( 1 - cos² θ) = cos² θ

tan x csc x = (sin x / cos x) * 1 / sin x = cos x

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2 different ways to write x/-7 in words
Ronch [10]

Answer:

X divided by negative seven

x over negative seven (my personal favorite) :)

hope I could be of assistance.

4 0
3 years ago
Solve the equation and explain each step using apropriate Properties<br> -4(3x+6)+6=-30
Lina20 [59]

Answer:

The answer is x=1

Step-by-step explanation:

-4(3x+6)+6=-30

-12x-24+6=-30

-12x-18=-30

-12x-18+18=-30+18

-12x=-12

-12x/-12=-12/-12

x=1

6 0
2 years ago
Nancy needs at least 1000 gigabytes of storage to take pictures and videos on her upcoming vacation. She
balandron [24]

Answer:

The answer to this question can be defined as follows:

In option 1, She buys 4 memory cards.

In option 2, The cost of memory is $40  

Step-by-step explanation:

Given:

Available space is = 105 GB

required space = 1000 GB

256 GB memory cost $10.

Find needed memory:

=  1000 GB - 105 GB

= 895 GB

∴ the available memory is 256 GB.

∵ 256 × 4 = 1024  GB

The total memory she have = 1024 + 105 = 1129 GB

And  she needs to buy 4 memory cards.

The cost of the four memory cards is= 4 ×10 =  $40.

7 0
2 years ago
Read 2 more answers
Can anybody help with my work
quester [9]
I think the answer is 20.34 I might be wrong someone else could check
5 0
2 years ago
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Which name accurately describes the figure shown below and why? A 4-sided figure with 2 parallel sides, 2 right angles, and 2 no
umka21 [38]

Answer:

A parallelogram because the figure described has exactly two pairs of parallel  sides.

Step-by-step explanation:

A trapezoid only has one pair of parallel sides so it can't be that and it can't be a parallelogram with exactly one pair of parallel sides because they have two pairs.

4 0
3 years ago
Read 2 more answers
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