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2 years ago

Find the value of n in the solution to the system of equations =2+7 =4−3

Mathematics

1 answer:

Svetach [21]2 years ago

6 0

Answer: there is no N in the equation

Step-by-step explanation:

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At a track meet, eight runners are running the 200 m dash. Assuming no ties, how

Fiesta28 [93]

Answer:

Step-by-step explanation:

1. One comes first, two comes second, and three comes last.

2. one comes first, two comes last, and three comes second.

3. One comes second, Two comes first, and three comes last.

4. One come last, Two comes first, and three comes second.

5. One comes second, Two comes last, Three comes first.

6. One comes last, Two comes second, and Three comes first.

8 0

2 years ago

Help please, tank u :)

elena-s [515]

Answer:

16 ft

Step-by-step explanation:

Let the width of the rectangle be x ft

Therefore, length = (x + 2) ft

Area of the rectangle = 15 square ft

$x(x + 2) = 15 \\ \\ {x}^{2} + 2x = 15 \\ \\ {x}^{2} + 2x - 15 = 0 \\ \\ {x}^{2} + 5x - 3x - 15 = 0 \\ \\ x(x + 5) - 3(x + 5) = 0 \\ \\ (x + 5)(x - 3) = 0 \\ \\ x + 5 = 0 \: or \: \: x - 3 = 0 \\ \\ x = - 5 \: \: or \: \: x = 3 \\ \\ \because \: x \: can \: not \: be \: - ve \\ \\ \therefore \: x = 3 \\ \\ \implies \: x + 2 = 3 + 2 = 5 \\ \\ perimeter \: of \: rectngle \\ = 2(5 + 3) \\ = 2 \times 5 \\ = 16 \: ft$

5 0

2 years ago

the graph of a function f is given. use the graph to answer the questions.find the numbers, if any, at which f has a relative mi

Fynjy0 [20]

From the graph, the point at which the function of the graph have relative minimum is

3 0

10 months ago

What is 2 times negative x

Ann [662]

Answer:2x

Step-by-step explanation:

3 0

2 years ago

Arrange the equations in the correct sequence to rewrite the formula for displacement, , to find a. In this formula, d is displa

valina [46]

Answer:

$a=2[d-V_0t]/t^2=2d/t^2-2v_0/t$

Explanation:

Since, you have not included the formula, I will work here with the formula for constant accelaration motion that relates the four variables: displacement (d), Vo (initial velocity), a (acceleration) and t (time).

1) displacement formula:

$d= V_0t+\frac{1}{2} at^2$

2) Subtract the term Vot from both sides:

$d-V_0t= \frac{1}{2} at^2$

3) Multiply both sides by 2:

$2d -2V_0t=at^2$

4) Divide both sides by t²

$2[d-V_0t]/t^2=a$

So, you have obtainded:

a = 2[d - Vo×t] / t²

Yet, you can arrange it in different ways. For example, you might separate into two terms:

$a = \frac{2d}{t^2} - \frac{2V_0}{t}$

8 0

2 years ago