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Anni [7]
3 years ago
8

the perimeter of a room is 88 feet. the ratio of its length to its width is 7:4. you want to tile the floor with 18 inch square

tiles. find the length and width of the room, and the area of the floor. how many tiles with you need? if the tiles cost $1.75 each, what will the cost be for the tiles?
Mathematics
1 answer:
yulyashka [42]3 years ago
5 0
Hello my friend is in a lot that way we have some stuff in our garage that way I dont I know how much we have a little thing in our school so I will can I have the answer and you can get them for the kids
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What is the circumference of a circle with a diameter of 6 feet? Use 3.14 for pi
worty [1.4K]

Answer:

18.84

Step-by-step explanation:

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3 years ago
Cari is searching online for airline tickets. Two weeks ago, the cost to fly from Boston to Denver was $225. Now the cost is $30
liq [111]

Answer:

33.33% increase. 55.56% increase.

Step-by-step explanation:

3 0
3 years ago
The police department uses a formula to determine the
laiz [17]

9514 1404 393

Answer:

  78.71 mph

Step-by-step explanation:

You're looking for the solution to ...

  d = 88

  0.0015r^2 +r = 88

  0.0015r^2 +r -88 = 0

Using the quadratic formula*, we find ...

  r = (-1 +√(1² -4(0.0015)(-88)))/(2×0.0015)

  r = (-1 +√1.528)/0.003 = 0.236123/0.003 = 78.7077

The speed of the car was about 78.71 mph.

_____

* The quadratic formula will also give a negative answer of about -745 mph, which is not relevant to the situation.

8 0
2 years ago
Describe how you know that this is a proportional relationship
Deffense [45]

Answer:

(Some textbooks describe a proportional relationship by saying that " y varies proportionally with x " or that " y is directly proportional to x .") ... This means that as x increases, y increases and as x decreases, y decreases-and that the ratio between them always stays the same.

<h2>Hopefully u will satisfy with my answer..!!</h2><h2>Please Mark on brainleast please..!!</h2><h2>Have a nice day ahead dear..!!</h2>
4 0
3 years ago
Which recursive formula can be used to generate the sequence shown, where f(1) = 5 and n &gt; 1?
saveliy_v [14]

You can try them out and see which one works.

a: f(2) = f(1) +6 = 5+6 = 11 . . . . . . not this one

b: f(1) = f(2) -6 = -1-6 = -7 . . . . . . not this one (5 ≠ -7)

c: f(2) = f(1) - 6 = 5 - 6 = -1 . . . . . this gives the right f(2)

d: f(2 = -6(f(1) = -6(5) = -30 . . . . not this one

_____

The appropriate choice is ...

... f(n +1) = f(n) - 6

— — — — — 

You can also recognize that the next term is 6 less than the current one, so f(n+1) = f(n) - 6, which corresponds to the 3rd selection.

7 0
3 years ago
Read 2 more answers
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