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Pie
3 years ago
11

-x+4y=24 and -2x+y=-8 as an ordered pair

Mathematics
2 answers:
mezya [45]3 years ago
6 0
(8,8)? I believe sorry if wrong
Stels [109]3 years ago
5 0

Answer: (8,8)

Step-by-step explanation:

First you need to get a x or y by itself.

I choosed to get y by itself since it would be faster.

-2x + y = -8  (first get -2x to the other side so add 2x)

y = -8 + 2x (then you want to insert that to the other equation)

-x + 4( -8 +2x) = 24      ->    -x -32 + 8x = 24   ->   7x -32 = 24

(add 32 to the other side)

7x = 56 (divide 7 to 56 to get x) x = 8

now insert into the other equation

-2( 8 ) + y = -8     ->     -16 + y = -8 ( move -16 to the other side, so add 16)

then you get your answer, y= 8

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$27

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3 years ago
Your parents gave you $200 to spend on a weeklong school trip. You have budgeted $25 per day for snacks and souvenirs. Write an
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200- 25d

Step-by-step explanation:

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3 years ago
You choose 3 bananas from a group of 9. In how many ways can this be done?
alexandr1967 [171]

Assuming the order of selection doesn't matter:

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6 0
4 years ago
What is the value of the determinant? ​
Contact [7]

Answer:

The value of the determinant is 0.

Step-by-step explanation:

Since it is a 3 x 3 determinant, we can calculate its value by the Law of Sarrus:

Det = (11)\cdot (98)\cdot (26\cdot y) + (97)\cdot (24\cdot y) \cdot (13) + (22\cdot y) \cdot (12) \cdot (99) - (22\cdot y) \cdot (98) \cdot (13) - (97)\cdot (12) \cdot (26\cdot y) - (11) \cdot (24\cdot y) \cdot (99)

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3 years ago
Help meee plssss it’s so harddddddddddddddd
Taya2010 [7]

Answer:

4310 in all

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Step-by-step explanation:

they collected 3,288 one week then 1,022 the next.

so then you add them up

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