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Bingel [31]
3 years ago
14

Traveling at a average speed of 50 miles per hour the trip from point a to be is 2 hours traveling at a speed of 20 miles per ho

ur take 2.5 hours
Mathematics
1 answer:
dem82 [27]3 years ago
7 0
What's your question..?
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7x-y=-10 (linear combination)<br> -7x+5y=-6
andreyandreev [35.5K]

(-2,-4) is the correct answer.

Hope this helps:)

5 0
3 years ago
Easy question 100 points again man i am just giving out free points
lbvjy [14]

Answer:

4 scoops

Step-by-step explanation:

The recipe calls for 6 scoops

He is making 2/3 of the recipe

Multiply these together

2/3 * 6 =

2/3 *6/1 =

4 scoops

6 0
3 years ago
Read 2 more answers
How to find equation of line passing through the points (x,y)​
DochEvi [55]

First you must acknowledge that you are dealing with a line therefore you must write linear equation or linear function in this case.

Linear function has a form of,

y=mx+n

Then calculate the slope <em>m</em> using the coordinates of two points. Let say <em>A(x1, y1)</em> and <em>B(x2, y2)</em>,

m=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}

Now pick a point either <em>A</em> or <em>B</em> and insert coordinates of either one of them in the linear equation also insert the slope you just calculated, I will pick point <em>A</em>.

y_1=mx_1+n

From here you solve the equation for n,

y_1=mx_1+n\Longrightarrow n=y_1-mx_1

So you have slope <em>m</em> and variable <em>n</em> therefore you can write down the equation of the line,

f(x)=m_{slope}x+n_{variable}

Hope this helps.

r3t40

3 0
2 years ago
What is the y-intercept for the graph of 7x – 3y = –5?
AysviL [449]
2 ways to find the y int.

(1) put the equation in y = mx + b form and the y int will be in the b position
7x - 3y = -5
-3y = -7x - 5
y = 7/3x + 5/3....so 5/3 is ur y int

(2) another way is to sub in 0 for x and solve for y
7(0) - 3y = -5
-3y = -5
y = -5/-3
y = 5/3...ur y int
3 0
3 years ago
Read 2 more answers
Please help me with all thank you
zhenek [66]

Answer:

345x32=11040

546/7=78

789x24=18936

Step-by-step explanation:

7 0
3 years ago
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