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Brilliant_brown [7]
3 years ago
8

April claims that 1 + cos2(theta) / sin2(theta)= 1 / sin2(theta) is an identity for all real numbers thetatheta that follows fro

m the Pythagorean identity
c. Is April correct? Explain why or why not.
Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0

Answer:

3

Step-by-step explanation:

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Emma has money in two savings accounts. One rate is 7% and the other is 8%. If she has $450 more in the 8% account and the total
hodyreva [135]

Answer:

420

Step-by-step explanation:


3 0
4 years ago
Billy is playing a board game. To win, Billy needs to spin a spinner (divided into four parts labeled 1, 2, 3, and 4) 2 times an
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3 years ago
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The figure shows the letter Z and four of its transformed images—A, B, C, and D:
tiny-mole [99]

Given:

The figure shows the letter Z and four of its transformed images—A, B, C, and D.

To find:

Which of the following rules will transform the pre-image of Z in quadrant 2 into its image in quadrant 1?

Solution:

From the figure it is clear that the pre-image of Z in quadrant 2 and its image in quadrant 1 (image A) are the mirror image of each other along the y-axis.

It means the pre-image of Z in quadrant 2 reflected across the y-axis to get the image in quadrant 1.

If a figure reflected across the y-axis, then rule of transformation is

(x,y)\to (-x,y)

So, the rule (x,y)\to (-x,y) transform the pre-image of Z in quadrant 2 into its image in quadrant 1.

Therefore, the correct option is c.

3 0
3 years ago
Coffe beans sell for $8.00 per pound. How much would 5 1/4 pounds of coffe beans cost?
Hunter-Best [27]

Answer:

$42

Step-by-step explanation:

$8.00 : 1 pound

5 1/4 = 5.25

5.25 x 8 = $42

7 0
3 years ago
Read 2 more answers
Can someone help me with this problem?
Deffense [45]
The answer is -1.

First, distribute the negative inside the parenthesis of 1/2.
Next, turn all the denominators into 6 by multiplying by 3 or 2. 

-1/2 + 2/3 + -1 1/6 
Changes to -3/6 + 4/6 - 1 1/6 

-3/6 + 4/6 = 1/6 

1/6 - 1 1/6 = -1


4 0
3 years ago
Read 2 more answers
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