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Nady [450]
3 years ago
10

Solve using elimination -3x-4y=-1 and 3x-y=-4 * (1,1) (-1,1) (1,-1) (-1,-1)

Mathematics
2 answers:
galina1969 [7]3 years ago
5 0
Using elimination (-1,1)
9966 [12]3 years ago
3 0
(-1.1) i’m pretty sure try and see :)) wish you luck
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HIJK is a rectangle. Find the value of x and find the length of each diagonals. If hj=19+2x and ik=3x+22
viva [34]
Hj  and ik are  opposite sides of the rectangle so they areequal in length.

19 + 2x = 3x + 22
19-22 = 3x-2x
x = -3 

We can't find the length of the diagonals as we have no information about the width.
8 0
3 years ago
PLEASE ANSWER THIS AND SHOW WORK. FIND THE SURFACE AREA FOR THE FIGURE BELOW
Varvara68 [4.7K]

Answer:

Total surface area of the given figure is 246.75 square mile.

Step-by-step explanation:

Surface Area of the given figure = Lateral surface area + Area of the base

Lateral surface area of the figure = Sum of the areas of 5 triangular surfaces

                                                        = 5(\frac{1}{2} )(\text{Base})(\text{Slant height})

                                                        = \frac{5}{2}(7)(9.3)

                                                        = 162.75 mi²

Surface area of the pentagonal base = 84 mi²

Total surface area of the figure = 162.75 + 84

                                                    = 246.75 mi²

Therefore, total surface area of the given figure is 246.75 square mile.

8 0
2 years ago
Can someone pls help
MakcuM [25]

when x =1 , y = 3

 when x = 3, y =27

27-3 = 24

3-1 = 2

24/2 = 12

 rate of change = 12

3 0
3 years ago
A man is 32 years old and his son is 5 years old. How many years hence will the
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

the current ages:

father= 32 yrs old

son=5 yrs old

-------

4(5+x) = 32+x

20+4x = 32+x

4x-x = 32–20

3x =12

x = 12/3

x = 4 years

------------------------------------

after the 4 years later the farther age will be 36 ( 32+4 = 36)

the son will be 9 ( 5+4= 9 years)

the x presents how the father will be after 4 times the age of the son

3 0
3 years ago
Put these numbers in smallest to largest
xenn [34]

3.07, 3.7, 3.77, 7.3, 7.33

5 0
2 years ago
Read 2 more answers
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