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2 years ago

What is the solution of the system.. explain what it means in the solution

Mathematics

1 answer:

UNO [17]2 years ago

5 0

Answer:

The solution is (4,250)

Step-by-step explanation:

This means that when a member of either gym (A or B) signs up for a four-month membership, they pay the same amount - $250. Hope this helps :)

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a group of students went to lunch. the bill before the sales tax and trip was $37.50 a sales tax of 8% was added. the group then

Nastasia [14]

100+8=108

108% of 37.50=1.08 times 37.50=40.5
(40.5-37.50=3, tax was 3)
18% tip
100+18=118
118% of 40.5=1.18 times 40.5=47.79

amount total was $47.79
tax was $3

6 0

2 years ago

Sketch the situation if necessary and use related rates to solve. Two airplanes are flying in the air at the same height. Airpla

Alexeev081 [22]

Answer:

-390 mph

Step-by-step explanation:

Let a and b represent, respectively, the distances of A and B from the airport. The distance d between the planes is then given by the Pythagorean theorem as ...

d² = a² + b²

Differentiating with respect to time, we have ...

2d·d' = 2a·a' +2b·b'

Solving for d', we get ...

d' = (a/d)a' +(b/d)b'

The value of d at the time of interest is ...

d = √(a² +b²) = √(30² +40²) = √2500 = 50

Then the rate of change of separation is ...

d' = (30/50)(-250 mph) +(40/50)(-300 mph) = (-150 -240) mph

d' = -390 mph

The distance between planes is decreasing at 390 miles per hour.

4 0

3 years ago

27 millimeters multiplied by 1 cm/10 mm

Basile [38]

27 millimeters multiplied by 1 cm/10 mm= 2.7 centimeters

6 0

3 years ago

Please help!!!!!!!!!!!!!!

GREYUIT [131]

Pay attention here because I'm adding an extra letter to our circle to help keep track of the values in our formula. OUTSIDE of the intercepted arc I'm adding the point E. So the major arc is arc BEG and the minor arc is arc BG. The formula then for us is ∠ $BFG= \frac{1}{2}(arcBEG-arcBG)$ . We just don't have values for the arcs yet. If the measure of the central angle is 4x+238, then the measure of arcBG is also 4x+238. Around the outside of the circle is 360°. So we will use it in an expression. ArcBEG=360-(4x+238). Fitting that into our formula we have $2x+146= \frac{1}{2}[(360-4x-238)-(4x+238)]$ . Doing all the simplifying inside there we have $2x+146= \frac{1}{2}(122-4x-4x-238)$ and $2x+146= \frac{1}{2}(-8x-116)$ . Multiply both sides by 2 to get rid of the fraction: 4x+292=-8x-116. Combine like terms to get 12x = -408 and divide to solve for x. x = -34. Fourth choice down from the top.

3 0

3 years ago

Five times the sum of m and n in written expression

frozen [14]

Answer:

5(m+n)

Step-by-step explanation:

5 0

3 years ago