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german
3 years ago
8

The first three steps in determining the solution set of the system of equations algebraically are shown.

Mathematics
2 answers:
jolli1 [7]3 years ago
8 0
Since both are equivalent to y, the equations must be equivalent.
x^2-x-3= -3x+5
x^2+2x-8=0

(x+4)(x-2)=0
x=-4, x=2

Plug the values of x in to either equation
y=-3(-4)+5
y= 12+5
y=17

y= -3(2)+5
y=-6+5
y=-1

Final answer: (-4,17) and (2,-1)
Viktor [21]3 years ago
4 0

Answer:

ayo the answer is C for ED

Step-by-step explanation:

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James and Michael are the partners in a local business. They needed $480,000 to start the
larisa [96]

Answer:

James invested $160,000

Step-by-step explanation:

- In total, they needed $480,000 to start the business

- 1:2 ratio means one of them payed double the amount than the other

so the expression would be,

2x + x = 480,000

Let x represent how much they each need to invest

the expression can be simplified to,

3x = 480,000

now you need to get x alone, this would be done be dividing both sides by 3

\frac{3x}{3} = \frac{480,000}{3}\\x = 160,000

James invest $160,000

Michael invest $160,000 x 2 = $320,000

and if you add them together, you get the total amount

$320,000 + $160,000 = $480,000

Let me know if you have any questions !

7 0
1 year ago
Read 2 more answers
Hey motorcycle shop maintains an inventory of four times as many new bikes as used bikes. If there are 16 new bikes how many use
nlexa [21]
Motorcycle shop maintains

U - used bikes
N - new bikes = 4N

1 U = 4N
? U = 16 new bikes

16/4 = 4. There are 4 used bikes that are in stock.
7 0
3 years ago
Read 2 more answers
“the product of 6 and<br> 9 decreased by 8"
Komok [63]

Answer:

46

Step-by-step explanation:

“the product of 6 and 9 decreased by 8"

“the product of 6 and 9" = 6 * 9

"decreased by 8" = - 8 (subtract 8 from whatever, in this case 6 * 9)

“the product of 6 and 9 decreased by 8" = 6 * 9 - 8 = 46

5 0
2 years ago
-8-6(1+7a)=32+4a
Sophie [7]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
Easy for 5th or any grade so plsss help #easy⭐️
Lesechka [4]

Answer:

It should be C

Step-by-step explanation:

2.85+2.85=5.7

5.7×7.7=43.89 m²

7 0
2 years ago
Read 2 more answers
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