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Grace [21]
2 years ago
11

Pls help me with the answer​

Mathematics
1 answer:
Katarina [22]2 years ago
8 0

Answer:

-27

5

10

-13

Step-by-step explanation:

-9*3=-27   -*+=-

-25/-5=5   -/-=+

7-(-3)=7+3=10  -(-)=+

-2+-11=-13   -+-=-

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In ΔRST, s = 58 inches, ∠R=115° and ∠S=19°. Find the length of r, to the nearest 10th of an inch.
Lorico [155]

Answer:

365.9 Inches

Step-by-step explanation:

To find the value of Sin A can be found using the sine rule. the rule states that the ratio of the length facing an angle in a triangle to the sine of the angle is constant. As such,

a/Sin A = b/Sin B = c/Sin C

Where is a is the side facing angle A, b is the side facing angle B and c is the side facing angle C.

Hence,

58/Sin 19 = r/Sin 115

r = 58 Sin 115/ Sin 19

= 365.9 Inches

8 0
3 years ago
Which of the following has a positive value? sec (2pi/3) tan (2pi/3) cos (2pi/3) csc (2pi/3)
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Answer:  D) csc (2π/3)

<u>Step-by-step explanation:</u>

2π/3 is in Quadrant II

Quadrant II has a negative x-value and a positive y-value.

x-values are: cos & sec

y-values are: sin & csc

tan = y/x so will be negative in Quadrant II

A) sec = -

B) tan = -

C) cos = -

D) csc = +     this works!

7 0
3 years ago
Of the 25 sheep in a flock 34% are white. how many sheep are white
Iteru [2.4K]
8.5 sheep are white. 34% of 25 is 8.5.
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3 years ago
¯\_(ツ)_/¯ ¯\_(ツ)_/¯ ¯\_(ツ)_/¯
slava [35]

Answer:

3:12 part to whole

Step-by-step explanation:

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3 reese's = part

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6 0
3 years ago
The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms. How lo
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Answer:

The answer is 8.1 h




Good luck!!!!!

Step-by-step explanation:


6 0
3 years ago
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