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Ad libitum [116K]
3 years ago
11

Solve the quadratic equation (x-3)2 = 49

Mathematics
1 answer:
Tresset [83]3 years ago
3 0
27.5, because 27.5-3=24.5 and 24.5x2= 49
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Dean ran 5 miles this week now he want to know how many kilometers he ran
hram777 [196]

Answer:

8.0467 kilometers

Step-by-step explanation:

1 mile = 1.60934 kilometers

Times that by 5 since theres 5 miles

5 miles=8.0467 kilometers

5 0
3 years ago
What is the slope-intercept from equation of the line that passes through (5,7)and(8,22)?
elena55 [62]

y=5X+32

I hope this helps!

6 0
3 years ago
8x-4y=20. What is y simplified?
madam [21]
If you mean trying to figure out what “y” is without the 4. first you have to get the 4y by itself. To do that, subtract 8x from the left side and subtract it from the right side.
-4y=20-8x
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I believe that is the answer (bolded part)
5 0
4 years ago
Read 2 more answers
Solve the system of equations by substitution.<br> y = 5x - 13<br> 4x + 3y = 18<br> The solution is
Rudik [331]

Answer:

x=3 and y=2

Step-by-step explanation:

1.) 4x+3(5x-13)=18

expand into 4x+15x-39=18

18+39= 57

15x+4x= 19x

57/19= 3 so x=3

substitute 3 into y= 5x - 13

and you get 2 so y=2

3 0
3 years ago
Which of the following is the equation of the line that is parallel to y=35x+8 y = 3 5 x + 8 and goes through point (-10,4)?
xeze [42]

Slope-intercept form of a line is y=mx+b.

Where m= slope and b= y-intercept.

First step is to compare the given equation y=35x+8 with the above equation to get the value of m.

After comparing the two equations we will get m=35.

Slope of paralle lines always equal which means slope of a line which is parallel to the above line will also be 35.

Now the line is passing through (-10,4).

Point slope form of a line is :

y-y_{1} =m(x-x_{1} )

Next step is to plug in m=35, x1=-10 and y1=4 in the above equation. So,

y-4=35(x-(-10)

y-4=35(x+10)

y-4=35x+350

y=35x+350+4

y=35x+354.

So, the equation of the line is y=35x+354.

4 0
4 years ago
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