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Setler79 [48]
2 years ago
10

commercial jet and a private airplane fly from Denver to Phoenix. It takes the commercial jet 1.2 hours for the flight, and it t

akes the private airplane 1.8 hours. The speed of the commercial jet is 185 miles per hour faster than the speed of the private airplane. Find the speed, in miles per hour, of both airplanes.
Mathematics
1 answer:
pickupchik [31]2 years ago
6 0

Answer:

474

Step-by-step explanation:

but i am too good

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3x - y = 2<br>and<br>2x + y = 4​
Naddik [55]

\frac{3}{1}Answer:

Step-by-step explanation:

3x-y = 2

2x+y =4

put them into slope intercept form

y=3x-2

y=-2x+4

Now, you can either graph it or use substitution

3x-2 = -2x+4

+2x +2x

5x -2 = 4

+2 +2

5x = 6

5x/5 = 6/5

x = 6/5

3x -2 = y

3(6/5) -2 = y

3 x 6 / 1 x 5 = 18/5

3 3/5 -2 = 1 3/5

Let me know if it's wrong.

Hope this helps

6 0
2 years ago
What is the solution to the system of equations ? <br> Y=2/3 x + 3 <br> X= - 2
Firdavs [7]

Answer:

x = -2, y = 5/3

Step-by-step explanation:

we have the value of x already (-2).

x=-2

Plug it into the first equation y = 2/3x+3

y = 2/3(-2)+3

y = -4/3+3

y = -4/3+9/3

y = 5/3

x = -2, y = 5/3

7 0
3 years ago
The equation a = 1/2(b1 + b2)h can be used to determine the area, a, of a trapezoid with height, h, and the base lengths, b1 and
andrew11 [14]

Answer:

2a/b1 +b2=h

And

2a/h -b2=b1

Step-by-step explanation:

8 0
3 years ago
How do i put this in slope-intercept form. passes through 2,-2 and 4,-1​
enot [183]

Answer:

\large\boxed{y=\dfrac{1}{2}x-3}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have two points (2, -2) and (4, -1).

Substitute:

m=\dfrac{-1-(-2)}{4-2}=\dfrac{-1+2}{2}=\dfrac{1}{2}

Put the value of a slope and the coordinates of the point (2, -2) to the equation of a line:

-2=\dfrac{1}{2}(2)+b

-2=1+b              <em>subtract 1 from both sides</em>

-3=b\to b=-3

Finally:

y=\dfrac{1}{2}x-3

5 0
2 years ago
A local fish market is selling fish and lobsters by the pound. The fish costs $5.25 a pound, while the lobster costs $10.50 a po
Arturiano [62]
The fish market sell 16 pound of fish and 12.5 pound of lobster.
5 0
3 years ago
Read 2 more answers
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