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3 years ago

The coordinates of Parallelogram PVWZ are P(0,0) V(-p,q) W(-p,-r,q), Find the coordinates of Z without using any new variables.

Mathematics

1 answer:

umka2103 [35]3 years ago

5 0

If w= (-p,-r,q) then answer would be (0,r)

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1+cos2A/cos2A = tan2A/tanA prove LHS=RHS

son4ous [18]

$RTP: \frac{1 + cos(2A)}{cos(2A)} = \frac{tan(2A)}{tan(A)}$

$LHS = \frac{1 + cos(2A)}{cos(2A)}$
$= \frac{1 + \frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}{\frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}$
$= \frac{\frac{1 + tan^{2}(A) + 1 - tan^{2}(A)}{1 + tan^{2}(A)}}{\frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}$
$= \frac{2}{1 - tan^{2}(A)}$
$= \frac{2}{1 - tan^{2}(A)} \cdot \frac{tan(A)}{tan(A)}$
$= \frac{\frac{2tan(A)}{1 - tan^{2}(A)}}{tan(A)}$
$= \frac{tan(2A)}{tan(A)}$
$= RHS$ , as required.

3 0

4 years ago

Which one of these is 4% equivalent to? 0.04 0.4 0.004 04

belka [17]

Answer:

The answer is (A) 0.04

7 0

3 years ago

How many injuries were severe and occurred on field turf? Write your answer as an integer.

siniylev [52]

Total injuries on Turf are 1050 and 4.26% of the total injuries were severe. So find what is the 4.26% of 1050.

4.26% of 1050

Here of means multiplication as usually seen in mathematics.

So we can write:

4.26/100 x 1050
0.0426 x 1050
44.73
Round off and you will find the answer: 45 injuries on Turf were severe out of total injuries 1050.

7 0

3 years ago

Binomial numbers, Stifel

Ivahew [28]

Answer:

binomiales, números combinatorios o combinaciones son números estudiados en combinatoria que corresponden al número

Step-by-step explanation:

5 0

3 years ago

Which inequality has –12 in its solution set? A B C D x + 6 less-than negative 8 x + 4 greater-than-or-equal-to negative 6 x min

Vlad1618 [11]

Answer:

The correct answer is D. x + 5≤ - 4

Step-by-step explanation:

Let's review which inequality has - 12 in its solution set, this way:

A. x + 6 less-than negative 8

-12 + 6 < - 8

-6 < - 8 Not correct

B. x + 4 greater-than-or-equal-to negative 6

- 12 + 4 ≥ - 6

- 8 ≥ - 6 Not correct

C. x minus 3 greater-than negative 10

- 12 - 3 > - 10

- 15 > - 10 Not correct

D. x + 5 less-than-or-equal-to negative 4

- 12 + 5 ≤ - 4

- 7 ≤ - 4 This is correct

The correct answer is D. x + 5≤ - 4

6 0

3 years ago

Read 2 more answers