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2 years ago

What is the measure of Angle R in PQR? Round to the nearest degree. 26 42 45 64

Mathematics

2 answers:

Thepotemich [5.8K]2 years ago

8 0

the answer is 26

Step-by-step explanation:

tatyana61 [14]2 years ago

6 0

Answer:26

Step-by-step explanation:

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I need help on this it’s about trig identities

Cerrena [4.2K]

Answer:

The answer to your question is:

Step-by-step explanation:

1.-

$\frac{1 + sin\alpha }{cos\alpha } + \frac{cos\alpha }{1 + sin\alpha } = 2 sec\alpha$

$\frac{(1 + sin\alpha)^{2} + cos^{2} \alpha }{cos\alpha (1 + sin\alpha) }$

$\frac{1 + 2sin\alpha + sin^{2} \alpha+ cos^{2} \alpha }{cos\alpha + sin\alphacos\alpha }$

$\frac{2 + 2sin\alpha }{cos\alpha+ sin\alpha cos\alpha }$

$\frac{2(1 + sin\alpha) }{cos\alpha(1 + sin\alpha ) }$

$\frac{2}{cos\alpha }$

2sec $\alpha$

2.-

sec²x - tanxsecx

$\frac{1}{cos^{2}x } - \frac{sinx}{cosx} \frac{1}{cosx}$

$\frac{1}{cos^{2} x} - \frac{sinx}{cos^{2}x}$

$\frac{1 - sinx}{cos^{2}x }$

$\frac{1 - sinx}{1 - sin^{2}x }$

$\frac{1 - sinx}{(1 - sinx)(1 + sinx)}$

$\frac{1}{1 + sinx}$

3 0

2 years ago

Jessica made $95 for 5 hours of work.

poizon [28]

Answer:

$247

Step-by-step explanation:

95/5= 19 to find rate per unit which means,

Jessica makes $19 dollars a hour.

19 x 13= $247

So Jessica made $247 in 13 hours of work.

8 0

2 years ago

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Mrs Tay had 425 cookies at first.

yKpoI14uk [10]

Answer:

425-65=360

360-65=295

Mrs Chan had at first 295 cookies

3 0

2 years ago

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Two students are reading a novel. Ashley reads 10 pages per day. Carly reads 8 pages per day, but she starts early and is alread

BARSIC [14]

Answer:

The word per indicates the slope (m) of a linear function, y=mx +b.Using d for x and p for y , the equation representing Ashely's reading is p = 10d. Carly begins on page 40 which represents b, the y intercept of a linear function which indicates an initial amount. So the equation representing Carly's reading is p=8d + 40.

3 0

2 years ago

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Henry has 4 more cards than Doug. Doug has 12 cards. How many cards does Henry have?

PIT_PIT [208]

Answer: doug has 16 cards

Step-by-step explanation: 12+4=16

Give brainliest if it help :)

4 0

1 year ago

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