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Sholpan [36]
3 years ago
9

there are 60 kids who plays soccer 5% of the kids also play chess how many children play both soccer in chess​

Mathematics
1 answer:
Mice21 [21]3 years ago
8 0

Answer:

10% (I think)

Step-by-step explanation:

I am not 100% sure that this is correct cause I'm not that good at math if I am hope it helps!

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Find the value of all trigonometric functions of 135°
Vera_Pavlovna [14]

Answer:

sin (- 135°)= – sin 135°= – sin (1 × 90°+ 45°) = – cos 45° = – 1√2

cos (- 135°)= cos 135°= cos (1 × 90°+ 45°) = – sin 45°= – 1√2

tan (- 135°) = – tan 135° = – tan ( 1 × 90° + 45°) = – (- cot 45°) = 1

csc (- 135°)= – csc 135°= – csc (1 × 90°+ 45°)= – sec 45° = – √2

sec (- 135°)= sec 135°= sec (1 × 90°+ 45°)= – csc 45°= – √2

cot (- 135°) = – cot 135° = – cot ( 1 × 90° + 45°) = – (-tan 45°) = 1

Step-by-step explanation:

hope this helps

5 0
2 years ago
In ΔNOP, the measure of ∠P=90°, the measure of ∠O=17°, and OP = 8.6 feet. Find the length of PN to the nearest tenth of a foot.
SVEN [57.7K]

The length of PN is 2.63 feet

<u>Explanation:</u>

<u />

Given:

∠P=90°,

∠O=17°,

OP = 8.6 feet

PN = ?

The given triangle is a right angle triangle as one angle is 90°

We know:

tan \alpha = \frac{perpendicular}{base}

tan(17^o) = \frac{PN}{OP} \\\\0.3057 = \frac{PN}{8.6} \\\\PN = 0.3057 X 8.6 feet\\\\PN = 2.63 feet

Therefore, the length of PN is 2.63 feet

7 0
3 years ago
A=1/2h(a+b) solve for b
vovangra [49]

Answer:

b=2A/h-a

Step-by-step explanation:

A=1/2h(a+b)

a+b=A/(1/2h)

a+b=A/(h/2)

a+b=(A/1)(2/h)

a+b=2A/h

b=2A/h-a

3 0
3 years ago
A sphere has a volume of 80cm*3
viva [34]

Answer:

Step-by-step explanation:

4 0
3 years ago
How to solve - (12/h) -7f h=3 f=7
pogonyaev

Answer:

-53

Step-by-step explanation:

-(12/3)-7(7)

-4-49=-53

4 0
3 years ago
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