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patriot [66]
3 years ago
8

3x + 7y = 22 12x + 28y = 88

Mathematics
2 answers:
marysya [2.9K]3 years ago
5 0
-12(3x + 7y) = 22
3(12x + 28y) = 88

-36x -84y = -264
36x + 84 y = 264

0 = 0

Uf let me see I’m not sure at all, is not right let me check
ioda3 years ago
4 0

Answer:

Infinitely many solutions.

Step-by-step explanation:

3x+7y=22

12x+28y=88

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

simplify 12x+28y=88 into 3x+7y=22

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The large bottle of nasal spray is 9.46 centimeters tall. The small bottle is 5.29 centimeters tall. How much shorter is the sma
posledela

Answer:

4.17 centimeters

Step-by-step explanation:

The large bottle of nasal spray is 9.46 centimeters tall. Assuming that the large bottle of nasal spray has the shape of cylinder, then the height of the cylinder is 9.46 centimeters.

The small bottle is 5.29 centimeters tall. Assuming that the small bottle of nasal spray has the shape of a cylinder too, then the height of the cylinder is 9.46 centimeters.

We want to know how much shorter the smaller bottle is than the big bottle. This is calculated by

Height of big bottle - height of small bottle

= 9.46 centimeters. - 5.29 centimeters

= 4.17 centimeters

5 0
3 years ago
30.00
GalinKa [24]

Answer:

  (13,-23)

Step-by-step explanation:

Comparing the image coordinates to the transformation rule, you see that ...

  (x -4, y +15) = (9, -8)

Adding (4, -15) to these coordinates, we get ...

  (x -4, y +15) +(4, -15) = (9, -8) +(4, -15)

  (x-4+4, y+15-15) = (9+4, -8-15)

  (x, y) = (13, -23) . . . . coordinates of D

4 0
3 years ago
One number is 3 more than another number. if you add 12 to 4 times the first number, the result is 5 times the second number. Fi
aleksklad [387]

Answer:

first is -3, second number is 0

Step-by-step explanation:

you have two equations x+3=y and 4*x+12=5*y

Use the first one and write y in terms of x in the second equation:

4*x+12=5*(x+3)

4*x+12=5*x+15

12=5*x-4*x+15

12=x+15

x=-3

3 0
3 years ago
Will Give Brinilist if correct i Need HELP
Hitman42 [59]

Answer:

C red and green

Step-by-step explanation:

Slopes are the same. Red line: go 4 units down and 3 left between marked points.The same for the green one. Slope is rise/run and in this case -4/3.

I hope you'll mark me as Brainliest! THANKS!

7 0
3 years ago
Read 2 more answers
Use the formula for the difference of cubes to show that 125 - 27 = 98
IrinaVladis [17]

The formula is

a^3 - b^2 = (a - b)(a^2 + ab + b^2)  so plugging in  the given values:-

a = cube root of 125 = 5 and b = cube root of 27 = 3 ,  we get:-

125 - 27 = (5 - 3)(5^2 + 5*3 + 3^2)

= 2 * 49

= 98   answer

3 0
3 years ago
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