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user100 [1]
1 year ago
13

Pls Help me please!!

Mathematics
1 answer:
natta225 [31]1 year ago
3 0
It should be 286.9190
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$7.80/hour = ____ cents/minute? a. 4.7 b. 13 c. 8.8 d. 780
g100num [7]
1$ = 100 cents,    1 hour = 60 minutes

$7.80/hour =  (7.8*100) cents / (1*60)minutes
 
                   =  780 cents/60 minutes
 
                   = 13 cents/minute

<span>Option b.</span>
7 0
3 years ago
Read 2 more answers
SinA/sinB=2/√3 and cosA/cosB=1/√2 ,tan^2B=?​
Talja [164]

Answer:

3/8 tan²A

Step-by-step explanation:

sinB = √3/2 sinA and cos B= √2 cosA (from given)

6 0
2 years ago
Find the m∡B to the nearest tenth of a degree if cos B = 0.8926 and ∡B is an acute angle
mrs_skeptik [129]

Answer:

26.8°

Step-by-step explanation:

The cosine of an angle is the ratio of the adjacent side of the triangle in which the angle is formed to the hypotenuses side of the triangle. The cosine of the angle gives the ratio of these sides. However, the arc cosine of the ratio gives the angle measured in degrees.

If cos B = 0.8926

then arc cosine 0.8926  which may be expressed as cos-1 0.8926 will give the value of B.

B = cos-1 0.8926

= 26.8°

7 0
3 years ago
Please explain step by step why x=10.
Travka [436]
Because if X is ten then the equation is complete
7 0
3 years ago
What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
Nikolay [14]
Y=9.25 because inorder to solve this we need to first take 5*.3 which equals 1.5 now that we have this we can move on we now have the equation 1.5 + 2y = 20 so now we need to continue working on getting y by it self so we subtract 1.5 from each side and then that leaves us with 2y=18.5 now we divide by 2 which leaves us with y=9.25 enjoy=)
4 0
3 years ago
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