What is the answer ;_;

Mathematics

2 answers:

leonid [27]3 years ago

7 0

Baily had 36 and Elena had 40

LekaFEV [45]3 years ago

6 0

It says to round to the nearest whole number.

Bailey: The number 35.78 is closer to 36 seconds than 35, so 35.78 rounded to the nearest whole number is 36.

Elena: The number 39.51 is closer to 40 seconds than 39, so 39.51 rounded to the nearest whole number is 40.

Next it says to find how many seconds Bailey won the race by.

40 - 36 = 4 seconds

Bailey won the race by 4 seconds.

Hope this helped :))

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Robert's mother pours a cup of milk for him and then realizes that the cup has a small crack in the rim. Not wanting her son to

S_A_V [24]

Answer:

7 years old

Step-by-step explanation:

Robert's mother pours a cup of milk for him and realizes that cup has a small crack so she pour the milk into another cup. Robert is not upset because he knows that the amount of milk has remained same.

As Robert is 7 year old . He can groups the milk in the cup according to size , shape and color. He has a better understanding of numbers and can understand problems easily.

3 0

3 years ago

2x-1/3=5 what are the solutions

asambeis [7]

Solution is (2.667,0) but x=2.667

6 0

3 years ago

A system for tracking ships indicated that a ship lies on a hyperbolic path described by 5x2 - y2 = 20. the process is repeated

malfutka [58]

Answer:
The ship is located at (3,5)

Explanation:
In the first test, the equation of the position was:
5x² - y² = 20 ...........> equation I
In the second test, the equation of the position was:
y² - 2x² = 7 ..............> equation II
This equation can be rewritten as:
y² = 2x² + 7 ............> equation III

Since the ship did not move in the duration between the two tests, therefore, the position of the ship is the same in the two tests which means that:
equation I = equation II

To get the position of the ship, we will simply need to solve equation I and equation II simultaneously and get their solution.

Substitute with equation III in equation I to solve for x as follows:
5x²-y² = 20
5x² - (2x²+7) = 20
5x² - 2y² - 7 = 20
3x² = 27
x² = 9
x = <span>± </span>√9

We are given that the ship lies in the first quadrant. This means that both its x and y coordinates are positive. This means that:
x = √9 = 3

Substitute with x in equation III to get y as follows:
y² = 2x² + 7
y² = 2(3)² + 7
y = 18 + 7
y = 25
y = +√25
y = 5

Based on the above, the position of the ship is (3,5).

Hope this helps :)

7 0

3 years ago

Vince has a rectangular rug in his room with an area of 10 ft the length of the rug is 18 inches longer than the width what coul

aev [14]

The length of the rug is 4 ft.

The width of the rug is 2.5 ft.

Explanation:

The area of the rug is 10 ft.

The length of the rug be l.

Let us convert the inches to feet.

Thus, $18 inches = 1.5 ft$