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AleksAgata [21]

2 years ago

10

A plane flew 2,190 kilometers from Chicago to Flagstaff. Another plane flew 2,910 kilometers from Chicago to Oakland. How much f

arther did the plane that flew to Oakland fly than the plane that flew to flagstaff?

2 answers:

stiv31 [10]2 years ago

4 0

720 kilometers farther

DiKsa [7]2 years ago

3 0

The answer is 720.hope it helps.

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How do I use elimination process when solving two variable equations?

kenny6666 [7]

Solve simultaneously:

<span>15x-8y=52 and
6x+14y=38
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Let's solve this system thru elimination by addition/subtraction:

Let's get rid of the x terms.
To do this, mult. the first eqn. by -6 and the second by 15. (This is not the only way in which we can do this!!) We get

-90x + 48y = -312
90x +210y = 570
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Add all 3 columns together. We end up with:

258y = 258, so y = 1. You can find x by subst. 1 for y in either of the given equations.

If you'd like more help, please be specific about what you want.

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2 years ago

Please help A.S.A.P. What possible transforms are shown below? (Choose at least one.)

n200080 [17]

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5 0

2 years ago

Read 2 more answers

35. For the following exercises, given each set of information, find a linear equation satisfying the conditions, if possible.

Montano1993 [528]

Answer:

The linear equation for the line which passes through the points given as (-2,8) and $(4,6), is written in the point-slope form as $y=-\frac{1}{3} x-\frac{26}{3}$ .

Step-by-step explanation:

A condition is given that a line passes through the points whose coordinates are (-2,8) and (4,6).

It is asked to find the linear equation which satisfies the given condition.

Step 1 of 3

Determine the slope of the line.

The points through which the line passes are given as (-2,8) and (4,6). Next, the formula for the slope is given as,

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute $6 \& 8$ for $y_{2}$ and $y_{1}$ respectively, and 4&-2 for $x_{2}$ and $x_{1}$ respectively in the above formula. Then simplify to get the slope as follows, $m=\frac{6-8}{4-(-2)}$

$\begin{aligned}&m=\frac{-2}{6} \\&m=-\frac{1}{3}\end{aligned}$

Step 2 of 3

Write the linear equation in point-slope form.

A linear equation in point slope form is given as,

$y-y_{1}=m\left(x-x_{1}\right)$

Substitute $-\frac{1}{3}$ for m,-2 for $x_{1}$ , and 8 for $y_{1}$ in the above equation and simplify using the distributive property as follows, $y-8=-\frac{1}{3}(x-(-2))$\\ $y-8=-\frac{1}{3}(x+2)$\\ $y-8=-\frac{1}{3} x-\frac{2}{3}$$

Step 3 of 3

Simplify the equation further.

Add 8 on each side of the equation $y-8=-\frac{1}{3} x-\frac{2}{3}$ , and simplify as follows, $y-8+8=-\frac{1}{3} x-\frac{2}{3}+8$

$y=-\frac{1}{3} x-\frac{2+24}{3}$$\\ $$y=-\frac{1}{3} x-\frac{26}{3}$$

This is the required linear equation.

6 0

1 year ago

Pls helppppppppoppppppp

valentinak56 [21]

Answer:

H. 3 $\frac{3}{4}$ feet

Step-by-step explanation:

Length of scale drawing = $\frac{3}{12}$ × 15feet

= 3 $\frac{3}{4}$ feet

3 0

2 years ago

The fastest runs 2,464 feet in 22.4 seconds. How many miles per hour is that?

Juliette [100K]

Thirty miles per hour. First you divide 2,464 feet by 22.4. you should get 110 feet which is per second, then you multiply it by 60 representing one minute but in seconds, you should get 6,600 feet per minute, then you multiply it by 60 mins and you should get 396,000 feet per minute. Next, you multiply 396,000 by 24 hours, the result is 9,504,000 feet per hour. Finally, you divide 9,504,000 by 5280 (there is 5280 feet in one mile) and the answer is 30 miles per hour.

4 0

3 years ago