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Mashcka [7]
3 years ago
9

9) y = 7x - 20 3x + 8y = 17 For substitution

Mathematics
1 answer:
xenn [34]3 years ago
3 0
X=3
y=1
Use substitution method starting with the first equation substitute y in the second equation

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Pretul unui obiect este de 800 de lei , cat va costa obiectul dupa o reducere de 25%
Nimfa-mama [501]
Dacá 800 este 100% atunci 25% va fi 800/4 = 200 lei 

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7 0
3 years ago
40 cats 20 dogs what is the ratio from cats to dogs
Stella [2.4K]
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8 0
3 years ago
What is the perimeter of a rectangle with a length of (x^2+x) and a width of (2x^2+3x)
Mazyrski [523]

Answer:

Perimeter = 6x² + 8x

Step-by-step explanation:

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5 0
3 years ago
Mr. Tyler wants to rent a car for n days. The car rental company charges a fixed fee of $120 and an extra $18 for each day of re
11111nata11111 [884]
The cost of renting the car every day is going to be y=18n+120 so if you plug 8 into n you get 264
8 0
3 years ago
Jonas solved an equation incorrectly, as shown below:
alexandr1967 [171]
So first he has to divide both sides by 8
wat
he multiplied the right side by 8 but divided left by 8
that is wrong


answer is 4th option
divid not divide 56 by 8
6 0
2 years ago
Read 2 more answers
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