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3 years ago

1 yard = 3 feet and 1 mile = 5280 feet, how many yards are there in 3 miles?

2 answers:

5 0

Answer: 5280 yards

Explanation: There are 1760 yards in a mile. So to find out how many yards there are in 3 miles, you multiply 3 by 1760 and you get 5280 yard.

Debora [2.8K]3 years ago

3 0

Answer:

3 Yards

Step-by-step explanation: If 1 yard = 1 multiply by 3 to get ~ 3 Yards.

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Which are the solutions of the quadratic equation? x2 = –5x – 3 –5, 0 StartFraction negative 5 minus StartRoot 13 EndRoot Over 2

boyakko [2]

<u>Given</u>:

The quadratic equation is $x^{2}=-5 x-3$

We need to determine the solutions of the quadratic equation.

<u>Solution</u>:

Let us solve the equation to determine the value of x.

Adding both sides of the equation by 5x and 3, we get;

$x^{2}+5 x+3=0$

The solution of the equation can be determined using quadratic formula.

Thus, we get;

$x=\frac{-5 \pm \sqrt{5^{2}-4 \cdot 1 \cdot 3}}{2 \cdot 1}$

$x=\frac{-5 \pm \sqrt{25-12}}{2 }$

$x=\frac{-5 \pm \sqrt{13}}{2 }$

Thus, the two roots of the equation are $x=\frac{-5 + \sqrt{13}}{2 }$ and $x=\frac{-5- \sqrt{13}}{2 }$

Hence, the solutions of the equation are $x=\frac{-5 + \sqrt{13}}{2 }$ and $x=\frac{-5- \sqrt{13}}{2 }$

6 0

3 years ago

Read 2 more answers

Find a vector equation and parametric equations for the line. (Use the parameter t.)The line through the point (4, 2.1, 3.1) and

olga_2 [115]

Answer:

Vector equation:

$(4 + 6t, 2.1 + 4t, 3.1 - 2t)$

Parametric equations:

$x(t) = 4 + 6t$

$y(t) = 2.1 + 4t$

$z(t) = 3.1 - 2t$

Step-by-step explanation:

The line is parallel to the vector 3i + 2j − k.

So the vector of this line is a multiple of this vector, so i will use 6i + 4j - 2k.

The line goes through the point (4, 2.1, 3.1).

So the parametric equations are:

$x(t) = 4 + 6t$

$y(t) = 2.1 + 4t$

$z(t) = 3.1 - 2t$

The vector equation is:

$(4 + 6t, 2.1 + 4t, 3.1 - 2t)$

3 0

3 years ago

2. Sketch the graph: 4y – 3x = 12.

goblinko [34]

Answer:

see below

Step-by-step explanation:

A graphing calculator is useful for this.

To find the x-intercept, set y=0 and solve for x:

0 -3x = 12

x = -4 . . . . . . divide by -3

To find the y-intercept, set x=0 and solve for y:

4y - 0 = 12

y = 3 . . . . . . divide by 4

Plot the x- and y-intercepts on their respective axes and draw a line through them.

4 0

3 years ago

Aiden and three of his friends were roasting pumpkin seeds. There were 236 pumpkin seeds. If each person wanted an equal portion

Studentka2010 [4]

Answer:

Each boy would get 59 seeds

Step-by-step explanation:

Aiden and his three friends = 4 people

236 divided by 4 = 59

6 0

3 years ago

What is the answer to this question but 10 divided bye 1 / 6

Rudik [331]

Answer:

Step-by-step explanation:

$10 \div \frac{1 }{6} = 10 \times \frac{6}{1} = 60 \\$

5 0

3 years ago

Read 2 more answers