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gavmur [86]
3 years ago
15

How do i do this problem x-2y=1,for y?

Mathematics
1 answer:
Burka [1]3 years ago
8 0
X-2y=1
subtract x
-2y = 1-x
divide by -2
y = x-1
       2
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A pool is filled at a rate of 105 gal/min. What is the rate in mL per second?
Flauer [41]
Greetings! 

(There are 3785.41 mL in a gallon.)
There are 60 seconds in minute. Therefore, if we divided the gallon per minute by 60, we can get the answer. 

105/60
=1.75 gallon per second

1.75*3785.41
=
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Hope this helps.
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8 0
4 years ago
QUESTION 1: What are the values of cos α and tan α, if α is an acute angle in a right triangle: sin α = 40/41 -------- cos α = ?
zhuklara [117]

Answer:

Question 1:

cos a = 0.2195

tan a = 4.445

Question 2:

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Step-by-step explanation:

<h3 /><h3>Question 1:</h3>

Given that;

sin a = 40/41

a = sin ⁻¹ (40/41)

a = 77.32°

Now we have to find the value of cos a and tan a:

a = 77.32°

cos 77.32° = 0.2195

tan 77.32° = 4.445

<h3>Question 2:</h3>

Given that;

cos a = 0.6

a = cos ⁻¹ (0.6)

a = 53.13°

Now we have to find the value of cos a and tan a:

a = 53.13°

sin 53.13° = 0.8

tan 53.13° = 1.333

4 0
3 years ago
Need help please. 3m-n/2n=?
Anit [1.1K]
The answer is

3m-n
———
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Because the numerator can’t be simplified in a way to cancel out n or the 2.
3 0
3 years ago
Evaluate cos pi - sin pi/2<br><br> -2<br> -1<br> 0<br> 1
natima [27]
A) -2

Explanation on pictures

For step 3 where it says Simplify the only thing it has is -2

3 0
3 years ago
Please help me asap.​
almond37 [142]

Answer:

25.1 ft

I hope it helps❤

Step-by-step explanation:

8×3.14=25.12

3 0
3 years ago
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