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Sever21 [200]
3 years ago
15

Someone can help me, pleasee​

Mathematics
1 answer:
eimsori [14]3 years ago
7 0

Answer:

x+y-10 -1

Step-by-step explanation:

if x is 3 and y is 6 then 3+6= 9

9-10=-1

You might be interested in
A printing firm charged $35 for printing 600 sheets and $47 for printing 800 sheets find the formula assuming the relationship i
saveliy_v [14]
Here, Coordinates are: (35, 600) & (47, 800)
Now, Slope (m) = y2 - y1  /  x2 - x1
m = 800 - 600 / 47 - 35
m = 200 / 12 = 100 / 6
m = 50/3

Take any one coordinate into slope-intercept formula:
y - y1 = m(x - x1)
y - 600 = 50/3 (x - 35)
y - 600 = 50x/3 - 1750/3
y = 50x/3 + 50/3

In short, Your Answer would be: y = 50x/3 + 50/3

Hope this helps! 


3 0
3 years ago
A line passes through (-1, 5) and (1, 3)
Luba_88 [7]

Answer:

y=-x+4

Step-by-step explanation:

3-5/1-(-1) = -1

(y-(-1)) = -1(x-5)

y+1 = -x+5

y= -x +5-1

y= -x + 4

6 0
3 years ago
A line is parallel to y = 3x - 12 and
seraphim [82]

Answer:

y=3x-5

Step-by-step explanation:

parallel means that both lines share the same gradient.

from the equation y=3x-12 , we can deduce that the gradient is 3 because it is in the gradient-intercept form

now substitute values into formula

y-y1=m (x-x1)

y--2=3 (x-1)

expand brackets and simplify

y+2=3x-3

subtract 2 from both sides of equation

y=3x-5

6 0
3 years ago
A Rectangular parking lot has a length that is 4 yards greater than the width the area of the parking lot is 480 square yards. F
Kipish [7]

Answer: length of rectangular parking lot = 24 yards

Width of rectangular parking lot = 20 yards.

Step-by-step explanation:

Let L represent the length of the rectangular parking lot.

Let W represent the width of the rectangular parking lot.

The rectangular parking lot has a length that is 4 yards greater than the width. It means that

W = L - 4

The formula for determining the area of a rectangle is expressed as

Area = LW

The area of the parking lot is 480 square yards.. It means that

LW = 480- - - - - - - - - - 1

Substituting W = L - 4 into equation 1, it becomes

L(L - 4) = 480

L² - 4L = 480

L² - 4L - 480 = 0

L² + 20L - 24L - 480 = 0

L(L + 20) - 24(L + 20) = 0

L - 24 = 0 or L + 20 = 0

L = 24 or L = - 20

Since the length cannot be negative, then L = 24

W = L - 4 = 24 - 4

W = 20

8 0
4 years ago
Need help with this problem
lesantik [10]
2sinxcosx is equal to sin(2x)


therefore,

= sin(2x)/cos(2x)
= tan(2x) (ANSWER)
4 0
3 years ago
Read 2 more answers
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