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Lina20 [59]
3 years ago
7

Which of the following should be avoided when proving a trigonometric identity?

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

Answer:

cosine

Step-by-step explanation:

fundamental trigonometric identities

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What is the area of this figure?
Agata [3.3K]

Answer:

179 square meters

Step-by-step explanation:

you can look at the figure into 3 different rectangles. 2*7=14, 2*6=12, 17*9=153. 14+12+153=179.

5 0
3 years ago
What is the mass of 75¢ in nickels?
Dima020 [189]
According to the United States Mint, the mass of 1 nickel is 5.000 g.

\dfrac{\$0.75}{\$0.05} = 15

There are 15 nickles in 75 cents worth of nickels.

15 * 5.000 g = 75.000 g

Answer: 75.000 grams
6 0
3 years ago
A new Neighborhood Activity Complex is being built-in
Anestetic [448]

Step-by-step explanation:

L = 2W - 8

P = 230 yd

P = 2×(L+W)

230 = 2× (2W - 8 + W)

230 = 2× (3W-8)

230 = 6W-16

6W= 230+16

6W = 246

W = 246/6

W = 41

L = 2(41) -8

= 82-8

= 74

so, the dimensions of the playing field:

the length = 74 yd

the length = 74 ydthe wide = 41 yd

7 0
3 years ago
Solve for b. -11b+7 = 40−11b+7=40
Oksana_A [137]

Answer:

This equation is false

Step-by-step explanation:

Well,

-11b + 7 = 4 - 11b + 7 = 40

combine like terms

-11b + 7 = -11b + 3 = 40

Communicative property

-3 to both sides

-11b + 4 = -11b = 40

-4 to both sides

-11b = -11b = 36

+11b to both sides

0 = 36

0 is not equal to 36 meaning that this equation is false.

<em>Thus,</em>

<em>the equation given is false.</em>

<em />

<em>Hope this helps :)</em>

6 0
3 years ago
The circumference of a circle is 94.2 millimeters. What is the circle's radius?
notka56 [123]

Answer:

14.99

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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