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AlexFokin [52]
3 years ago
11

The following chart shows the times of runners in the 100 meter sprint.

Mathematics
1 answer:
Elden [556K]3 years ago
4 0

Answer:

Tyrone

Step-by-step explanation:

In a race the shortest time is the winner.

In this case the ones and  the tens place are all the same so we look to the tenths place in which Tyrone has a 0 which is the lowest.

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Express the rate 50 yards per minute in feet per second. Please answer with supporting work.
DiKsa [7]
First, multiply 50*3 to get the answer in feet which is 150 ft.

Then, divide 150 ft by 60 which would be 2.5 ft per second.
3 0
3 years ago
3x+y=115x-y=21 Directions: Solve each system of equations by elimination. Clearly identify your solution.
olchik [2.2K]

To solve, we will follow the steps below:

3x+y=11 --------------------------(1)



5x-y=21 ------------------------------(2)

since y have the same coefficient, we can eliminate it directly by adding equation (1) and (2)

adding equation (1) and (2) will result;

8x =32

divide both-side of the equation by 8

x = 4

We move on to eliminate x and then solve for y

To eliminate x, we have to make sure the coefficient of the two equations are the same.

We can achieve this by multiplying through equation (1) by 5 and equation (2) by 3

The result will be;

15x + 5y = 55 ----------------------------(3)

15x - 3y =63 --------------------------------(4)

subtract equation (4) from equation(3)

8y = -8

divide both-side of the equation by 8

y = -1

8 0
1 year ago
Solving an Absolute Value Equation
Andre45 [30]

Answer:

Solution set = {-12, 12}

Step-by-step explanation:

Start by dividing both sides of the given equation by negative one, to get rid of the negative signs on both sides:

-\,|-x|=-\,12\\|-x|=12

Now we consider the two possible cases:

1) The expression inside the absolute value symbol is a positive number, then :

|-x|=-x\\

and replacing it in the equation, this becomes:

|-x|=12\\-x=12\\x=-12

which is our first answer.

2) The expression inside the absolute value symbol is a negative number, then :

|-x|=x\\

and replacing it in the equation, this becomes:

|-x|=12\\x=12

which is our second possible answer.

Then the set of solutions is: {-12, 12}

8 0
3 years ago
Find the area of the trapezoid shown below. {?} square feet
PolarNik [594]

Answer:

432

Step-by-step explanation:

6 0
2 years ago
Hey, I really need some help figuring out this question.
Alexandra [31]

Answer:

it's d

Step-by-step explanation:

because the answer would be the same on both sides

6 0
3 years ago
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