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serious [3.7K]
3 years ago
6

PLEASE HELP ME ASAPPPP

Mathematics
1 answer:
frutty [35]3 years ago
7 0

Answer:

The answer is

90 degrees the first one is I don't know about the rest sorry

Step-by-step explanation:

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Convert 0.5 liters to milliliters.​
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500 millilitres

Step-by-step explanation:

I hope it will help you

7 0
3 years ago
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(7 - 3t) + 3(-2t + 5)
katrin2010 [14]

Answer:

22-9t

Step-by-step explanation:

(7 - 3t) + 3(-2t + 5)

=

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Now you need to combine like terms.

7+−3t+−6t+15

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6 0
3 years ago
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densk [106]

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6 0
2 years ago
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Solve cot x + 2cot x * sin x = 0 for U^ <= x<=180
nekit [7.7K]

Answer:

Step-by-step explanation:

hello :

cot x + 2cot x  sin x = 0        0≤ x≤ 180

cotx(1+2sinx) =0    means : cotx=0   or  1+2sinx=0

1)  cotx=0   so :  cosx=0  and  sinx ≠ 0   because cotx = cosx/sinx

when :  0≤ x≤ 180  : x=90°

2) 1+2sinx=0  means : sinx = -1/2

when :  0≤ x≤ 180  : no solutions because  :  sinx ≥ 0

conclusion : one solution : x=90°

3 0
3 years ago
Given: tangent to Circle O.<br><br> If m C = 57°, then m BDR =
Romashka-Z-Leto [24]
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
8 0
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