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pashok25 [27]
2 years ago
7

Mai has to decide between two cafeteria meal plans. Under plan A, each meal cost $2.50. Under plan B, one month of meals cost $3

0
Mathematics
1 answer:
BaLLatris [955]2 years ago
4 0

Answer:

If he eats more then 12 lunches in a month he should take Plan B, if he eats less then 12 lunches a month he should take Plan A.

Step-by-step explanation:

2.5x12=30

If he is on Plan A and buys 13 lunches it would cost more money then to be on Plan B.  If he buys less then it would cost him less money to be on Plan A since he would be paying under $30.

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olchik [2.2K]

As the exercise says, the triangles are similar. So, we can set up proportions between correspondent sides.

In order to solve for x we can set up the proportion between the horizontal and vertical sides:

28\div 11.2 = 27+x \div x

Solving this proportion for x implies x=18

Now you can solve for m and p using the pythagorean theorem, because both triangles are right:

m = \sqrt{18^2+11.2^2} =21.2

Then, we know that the hypothenuse of the big triangle is m+p, so we have

m+p=\sqrt{(18+27)^2+28^2} = 53

which implies

p = 53-p = 53-21.2=31.8

6 0
2 years ago
a car is traveling at a speed of 108 kilometers per hour. What is the cars speed in kilometers per minute? How many kilometers w
Naya [18.7K]

Answer: 10.8 km per min

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1.107%7D%7B123%7D%20%20%5Ctimes%20%20%5Cfrac%7B1.998%7D%7B333%7D%20%20%3D%20" id=
pav-90 [236]

Answer:

<h2>45 </h2>

Step-by-step explanation:

\frac{1.107}{123} \times \frac{1.998}{333} =

=   > 9 \times 6

= 45

6 0
3 years ago
Read 2 more answers
Find a function ω(x) such that the function f(x) = sin(ω(x)) has the roots at π, π2
atroni [7]

So, I came up with something like this. I didn't find the final equation algebraically, but simply "figured it out". And I'm not sure how much "correct" this solution is, but it seems to work.

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8 0
3 years ago
Find the surface area of the prism
vlabodo [156]

Answer:

The answer is 190

Step-by-step explanation:

3x5x2  30

3x10x2  60

5x10x2  100

add them together to get 190

5 0
2 years ago
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