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jok3333 [9.3K]
3 years ago
7

I need help finding functions​

Mathematics
1 answer:
velikii [3]3 years ago
3 0

Answer:

  1. y= 7
  2. y= -3
  3. y= -4
  4. y= -8

Step-by-step explanation:

y= -5x+1

=-5.-1+1

=7

Now you can do this method

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The width of a rectangle is six meters less than three times its length. If the area of the rectangle is 105 square meters. what
Kipish [7]

Answer:

length = 7 meters

Step-by-step explanation:

l = length

w = width

w = 3×l - 6

l×w = 105 m²

l×(3×l - 6) = 105

3×l² - 6×l = 105

l² - 2×l = 35

l² - 2×l - 35 = 0

solution of a squared equation is

(-b ± sqrt(b² - 4ac))/(2a)

a = 1

b = -2

c = -35

(2 ± sqrt(4 - 4×-35))/2 = (2 ± sqrt(4+140))/2 =

(2 ± sqrt(144))/2 = (2 ± 12)/2 = 1 ± 6

l1 = 1+6 = 7 meters

l2 = 1-6 = -5 meters, which did not make any sense for an actual object.

so, l = 7 meters remains.

7 0
3 years ago
Can some one help me.
jarptica [38.1K]

Answer:

The slope is 3

Step-by-step explanation:

m = rise/run

m = (y2 - y1)/(x2-x1)

points: (0,-5), (1,-2)

m = ((-5) - (-2))/ ((0) - (1))

m = (-5 + 2)/ (-1)

m = -3/-1

m = 3

4 0
3 years ago
1 question for brain list :)
Marina CMI [18]

The female's have intercourse with the male's in a way that I can't describe on this website, and thus, the males give birth to the babies.

8 0
3 years ago
helen divides up some money to give to her eight nieces. if d represents the total amount, enter an expression to represent how
poizon [28]

          1/8 d = how much each niece receives

Each niece receives(x) amount of money.1/8 of the money)

If you multiply this amount by 8 it will be the money Helen divides up to her 8 nieces   1/8dx8=8/8(the whole amount is 8/8)




4 0
3 years ago
What is the factor of 18 and 45
r-ruslan [8.4K]

9 is the greatest common factor of 18 and 45.

3 0
3 years ago
Read 2 more answers
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