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Lena [83]
3 years ago
12

Please answer CORRECTLY !!! Will mark brainliest !!!

Mathematics
2 answers:
seropon [69]3 years ago
7 0

Answer:

2

いたち うちあ

Step-by-step explanation:

Dima020 [189]3 years ago
6 0

Answer:

22

Step-by-step explanation:

f(x) = 5x-3

Let x = 5

f(5) = 5*5-3

f(5) = 25-3

    = 22

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the slope of a line is 3/2 and the line contains the points (5,9) and (3, a). what is the value of a?
vivado [14]
Y = mx + b
slope(m) = 3/2
(5,9)...x = 5 and y = 9
now we sub and find b, the y int
9 = 3/2(5) + b
9 = 15/2 + b
9 - 15/2 = b
18/2 - 15/2 = b
3/2 = b
so ur equation is : y = 3/2x + 3/2.........(3,a)....so x = 3

y = 3/2(3) + 3/2
y = 9/2 + 3/2
y = 12/2
y = 6

so ur missing value is 6...a (or y)  = 6
7 0
3 years ago
Solve the system of linear equations by elimination.<br><br> 3x+2y=3<br> 3x−2y=−9
kondaur [170]

Answer:

x=-1, y=3

Step-by-step explanation:

3x+2y=3

3x-2y=-9

since we have -2y and 2y we can just add the equations

6x=-6

x+0y=-1

x=-1

to solve x using elimination multiply the top equation by -1

-3x-2y= -3

3x-2y=-9

and add

0x-4y=-12

-4y=-12

y=3

and substitute x and y to double; check

3(-1)+2(3)=3

-3+6=3

3=3

checks out so these are correct

6 0
3 years ago
What is the equation of a line, in general form, that passes through point (1,-2) and has a siope of 1/3?
Sever21 [200]

9514 1404 393

Answer:

  x -3y -7 = 0

Step-by-step explanation:

The general form of the equation for a line is ...

  ax +by +c = 0

where a, b, c are mutually prime and the leading coefficient is greater than zero.

__

The general form equation for a line with slope m = rise/run through point (h, k) can be found by simplifying ...

  rise(x -h) -run(y -k) = 0 . . . . where run has the sign of the slope

For the given point and slope, we have ...

  1(x -1) -3(y -(-2)) = 0

  x -3y -7 = 0

8 0
3 years ago
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ryzh [129]
He spent $37.88 at the first store.
3 0
3 years ago
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cupoosta [38]

Answer:

280 Day

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