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Svetllana [295]
3 years ago
9

PLS HELP ASAP

Mathematics
1 answer:
marysya [2.9K]3 years ago
5 0
Please lOk at the photo for a detailed explanation

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You and a friend both leave the same restaurant to drive home. You are heading directly west at 30 miles per hour and he or she
neonofarm [45]

Answer:

  50

Step-by-step explanation:

The distance between the friends is changing at the constant rate of 50 mph.

___

The equation for the distance in the westerly direction is ...

  w = 30t . . . . . miles, where t is time in hours

The equation for the distance in the southerly direction is ...

  s = 40t . . . . . miles, where t is time in hours

Then the total distance between the friends is ...

  d = √((30t)² + (40t)²) = √(2500t²) = 50t  . . . . miles, where t is time in hours

And the rate of change of distance is the derivative of this with respect to t:

  dd/dt = 50 . . . . . . miles per hour

4 0
3 years ago
2.760
wolverine [178]
Answer. To verify that the decimals are lined up correctly, we must ensure that they are both lined up at the same point. The reason this is done is so that whole numbers will be subtracted from other whole numbers, not decimals.
Extra. Hope this helped, if it’s correct let me know so others can use it :)
Good luck :)
6 0
3 years ago
Read 2 more answers
A coin that can turn up either heads (H) or tails (T) is flipped. If a head turns up, a spinner that can land on any of the firs
Aneli [31]

Answer:

Infinity

Step-by-step explanation:

It is possible for the coin to endlessly fall on tails, so there are infinity different outcomes.

Tell me if I'm wrong :)

8 0
2 years ago
Read 2 more answers
What is the value of the expression <br> 3<br> 6 - (- 11.5)?<br> 4
Digiron [165]

Answer: 31 hope this helped

Step-by-step explanation: I'm assuming your problem looks like this: 4+5*6-3 =? To solve this problem you need to use the order of operations. PEMDAS which stands for Parentheses, exponents, multiply and divide, and lastly add and subtract. You must multiply and divide before you add and subtract so you must do 5*6 first. You now get 4+30-3. Now all you have left is addition and subtraction so you now just go from right to left and do one at a time. So 4+30 = 34 , 34-3=31. Therefore your answer should be 31. Hope that helped!

8 0
3 years ago
A rectangular prism is made up of 32 cubes, each measuring 1 4of a foot per side. What is the volume of the rectangular prism?
madreJ [45]

Answer:

quick question that 1 4 supposed to be a fraction? as in 1/4?

4 0
3 years ago
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