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RSB [31]
3 years ago
7

Prove the following​

Mathematics
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

Step-by-step explanation:

sin(180°-∅)=sin∅ as its in the 2nd quadrant

then tan(180°-∅)= -tan∅ as its in the 2nd quadrant and there only sin and cosec is positive and at last cos(180°-∅) = -cos∅ for the same reason

so by putting the values:

sin∅/sin∅ + -tan∅/tan∅ + -cos∅/cos∅ =1-1-1= -1

thanks ..

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How can I do 30-4 as a mixed number
sertanlavr [38]
30 over 4 = 15·2 over 2·2 = 15 over 2 = 1 + 7·2 over 2 = 7 1 over 2
Whole number =7
Fraction = 1 over 2

Hope this helps
6 0
3 years ago
Out of a total of 3000 available parking spaces in a mall
guajiro [1.7K]

Answer:

62.5% of the parking spaces are taken.

Step-by-step explanation:

Given

  • Total Spaces = 3000
  • Taken paces = 1875

To determine

What percent of the parking  spaces are taken?

The percentage of taken spaces of the part can be determined using the formula

% of Taken spaces = [Taken spaces / Total Spaces ] × 100

                               = [1875 / 3000] × 100

                               = 0.625 × 100

                               = 62.5%

Therefore, 62.5% of the parking spaces are taken.

7 0
3 years ago
Urgent as i have final soon. How to solve problems like this f( ) = 8x+29​
Kaylis [27]

Answer:

See below

Step-by-step explanation:

we have f(x) = 8x + 29

essentially f(x) is a function and the number that goes in the blank is the input, whatever the input is you plug in to all values of x and evaluate to get the output

we are going to assume that we have to solve for f(4)

so we have f(4) = 8x + 29

because 4 is in the "input spot" we input a 4 for every x we see in the function

So we get f(4) = 8(4) + 29

we then simply evaluate

f(4) = 8(4) + 29

==> multiply 8 and 4

f(4) = 32 + 29

==> add 32 and 29

f(4) = 61

So if the input of f(x) was 4, the out put would be 61

Let me know if you have any further questions! :)

7 0
2 years ago
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Lisa [10]
The answer is G) 3 and 2/3
7 0
3 years ago
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I have three questions.
SIZIF [17.4K]

Answer:

1) addition

2) addition

3)multiplication

4 0
3 years ago
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