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mojhsa [17]
3 years ago
12

say true or false with explanation if both sin teta and cos tetanus are negative then teta is thrid quadrant angle.​

Mathematics
1 answer:
DIA [1.3K]3 years ago
7 0

Answer:

true

Step-by-step explanation:

hope it helps .

all the best

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Find the unit rate<br><br> 8 hits in 22 games
Aleksandr [31]

Answer:

0.363636

Step-by-step explanation:

Hits per game is hits / games

= 8 / 22

= 0.363636363

8 0
2 years ago
Try It!
Wittaler [7]

Answer:

91.46m

Step-by-step explanation:

The length of 100 yard football field in meters.

From the dimension given,

1 yard = 3 feet

Therefore,

100 yard = x feet

1 yard = 3 feet

100 yard = x feet

X = (100 × 3) / 1

X = 300 feet.

But,

1 metre = 3.28feet

X metre = 300 feet

X = (300 × 1) / 3.28

X = 91.46m

Therefore, 100 yard football field is equal to 91.46m

6 0
2 years ago
F
postnew [5]

Answer:

g = 81.

Step-by-step explanation:

f = k/√g    where k is a constant

When f = 12 g = 36, so:

12 = k/√36 = k/6

k = 12*6 = 72.

So the relation is:

f = 72/√g

When f = 8:

8 = 72/√g

8√g = 72

√g = 72/8 = 9

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3 0
3 years ago
Solve 3sinx = 2cos^2x .
goldenfox [79]
3 sin x = 2 ( 1 - sin² x )
3 sin x = 2 - 2 sin² x
2 sin² x + 3 sin x - 2 = 0
Substitution: t = sin x
2 t² + 3 t - 2 = 0
t 1/2 = \frac{-3+/- \sqrt{9+16} }{4} =  \frac{-3+/-5}{4}
t 1 = 1/2
t 2 = - 2 ( this solution is not acceptable )
sin x = 1/2
Answer:
x 1 = π / 6 + 2 kπ,       x 2 = 5 π / 6 + 2 k π,   k ∈ Z 
5 0
3 years ago
Write an exponential function in the form y=ab^2 that goes through points (0,18) and (3, 9216)
Alex_Xolod [135]

Answer:

  y = 18·8^x

Step-by-step explanation:

We assume you want a model that looks like y = ab^x.

To find the values of "a" and "b", you can fill in the given numbers and solve the system of equations:

  18 = a·b^0

  9216 = a·b^3

The first equation tells you ...

  18 = a

Dividing the second equation by the first gives ...

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The exponential function is ...

  y = 18·8^x

4 0
2 years ago
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