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3 years ago

8

PU 15 cm 0 162 1. Find the arc length of PQR.

1 answer:

Ad libitum [116K]3 years ago

4 0

It isn’t really clear to me it’s confusing

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Somebody please help me ! This is due today by midnight

katrin [286]

Answer:

19. D

20. A

Step-by-step explanation:

19. Tan= opp/adj

20. Sin= opp/hyp

7 0

2 years ago

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If a train traveld from station A at 60 mph in direction of station B, which is 60 miles away, how long would it take the train

kirill [66]

Answer:

b

Step-by-step explanation:because

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3 years ago

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Which system is equivalent to 3x squared - 4y squared = 25 over -6x squared -2y squared = 11

TEA [102]

So we are given the following system:
$3x^2-4y^2=25\\
-6x^2-2y^2=11\\\text{Multiply the second equation by -2:}\\12x^2+4y^2=-22\\\text{Add to the first equation we get:}\\15x^2=3
\text{ therefore }x=\pm \sqrt{ \frac{1}{5} }$
Using the first equation again we get:
$3x^2-4y^2=25\\
3x^2=4y^2+25\\
x^2= \frac{1}{3}(4y^2+25)\\x^2= \frac{1}{3}(4 \frac{1}{5} +25)\\= \frac{43}{5}\\x=\pm \sqrt{ \frac{43}{5} }$

3 0

3 years ago

What is the mid point in the photo?

Irina18 [472]

Step-by-step explanation:

$midpoint = ( \frac{ \frac{1}{3} - \frac{7}{3} }{2} , \frac{ \frac{5}{12} + \frac{7}{12} }{2} )$

$= ( \frac{ \frac{ - 6}{3} }{2} , \frac{ \frac{12}{12} }{2} )$

$= ( \frac{ - 2}{2} , \frac{1}{2} )$

$= ( - 1,0.5)$

4 0

2 years ago

Can y’all help me ASAP please?

gogolik [260]

Step-by-step explanation:

$8 log_{5}( {x}^{5} ) = 8 \times 5 log_{5}(x) \\ = 40 log_{5}(x)$

6 0

3 years ago