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Reptile [31]
3 years ago
5

Help on math please!

Mathematics
1 answer:
DedPeter [7]3 years ago
6 0
(13•4) + (3•8) +3 = 79
The total cost is $79
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An air traffic controller is tracking two planes. To start, Plane A is at an altitude of 4385 feet and Plane B is at an altitude
Fantom [35]

Answer:

60 seconds, 7715 feet

Step-by-step explanation:

Plane A and B start out 615 feet apart, and we find this by subtracting the height of plane A from plane B, getting 5000-4385=615. Now we have to find how many more feet of altitude plane A is gaining per second over plane B.

To find this we subtract 45.25 from 55.5 and get 10.25 feet per second. Now to find out how many seconds until they'll be at the same altitude we simply divide 615 by 10.25, getting 60 seconds.

For the second part, to find the altitude at this point, we simply multiply the altitude gain of one of the planes per second by the time of 60 seconds to get how much altitude they gained over that time, and add it to the starting altitude. Doing this with plane B we get 45.25*60=2715, and we add that to 5000 to get the final answer of 7715.

4 0
3 years ago
A clothing store is running a special in which customers receive a free pair of jeans with the purchase of 4 shirts. It costs th
ahrayia [7]
If one shirt equals to $21.46, and you need to purchase 4 shirts to get the free pair of jeans, you multiply 4 by 21.46 and get 85.84. But if there is 42 customers taking advantage of the special, then you need to multiply 85.84 by 42, and you get 3,605.28.
6 0
3 years ago
Find the value of angle "A" and angle "B".​
Daniel [21]

the anwser is 119

because 180-61 =119

3 0
3 years ago
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There are 10 dogs and 4 leave.What is the percent change?<br><br> But can you explain it to me plzz
Vera_Pavlovna [14]

Answer:

the percent change would be 40 percent

Step-by-step explanation:

think of 10 as a base so like 100 ok and you know if 50 of that is 50 percent 40 would just be forty percent

8 0
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The cost to rent a video game for 3 days was $10. It costs the same amount each day.
Norma-Jean [14]
¢30 every day because 10divided by 3 is .3
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