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aalyn [17]
2 years ago
9

Determine which of the two acute angles has a cosine of 3/4. Eliminate the other acute angle.

Mathematics
1 answer:
andriy [413]2 years ago
5 0

Answer:

Both <y and <w have a cosine of 3/4

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Jennifer pays $12.50 a month for Amazon Prime and pays extra every time she rents a movie. One month she rented 1 movie and paid
Dafna1 [17]

Answer: y=5.25x+12.50

Step-by-step explanation:

The original 12.50 is how much she pays each month regardless of rented movies, it is the 0 value and doesn't change. Each rented movie costs 5.25 (17.75-12.50=5.25) and that value would be multiplied by the amount of movies she rents that month, and then added onto the original base value.

6 0
2 years ago
Read 2 more answers
Determine whether the statement is true or false. If f and g are positive increasing functions on an interval I, then fg is incr
Leno4ka [110]

Answer: false

Step-by-step explanation:

If f and g are increasing on I, this implies that f' > 0 on I and g' > 0 on I. That is both f' and g' have a positive slope. However,

Using product rule;

(fg)' = fd(g) + gd(f)

(fg)' = f * g' + f' * g

and although it is given that g' and f' are both positive we don't have any information about the sign of the values of the functions themselves(f and g). Therefore, if at least one of the functions has negative values there is the possibility that the derivative of the product will be negative. For example;

f = x, g = 5x on I = (-5, -2)

f' = 1 and g' =5 both greater than 0

f and g are both lines with positive slopes therefore they are increasing, but f * g = 5x^2 is decreasing on I.

6 0
3 years ago
James rode k kilometers on his bike this week. Express the number of kilometers that Ivan rode on his bike in terms of k if he r
Amiraneli [1.4K]

Answer:

13 km/hr

Step-by-step explanation:

Speed = (distance covered) / (time to cover the distance)

   ( 8.45 km)   /   (0.65 hr)

   (8.45 / 0.65)  km/hr

4 0
2 years ago
3 - x/2 = 6 (Solve each equation) Check your answer
Yanka [14]
Answer to question
3-x/2=6
Subtract 3 from both sides
-x/2=3
Multiply 3 by -2
Final Answer: x=-6

Work check
3-x/2=6
Substitute -6 for x since you solved for x in the last equation
3-(-6)/2
Convert 3-(-6/2) to 3+6/2
3+6/2
Divide 6 by 2
3+3
Add
Final Answer: 6 (This 6 is the same 6 we used to solve for x in the first equation).
6 0
3 years ago
Find the approximate value of 191−−−√ to the nearest tenth. What 2 numbers does it fall between when placed on a number line? Qu
PolarNik [594]

Answer:

13.5-14

Step-by-step explanation:

it is 13.8

8 0
3 years ago
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