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Paha777 [63]
3 years ago
15

QUESTION 2 Which graph could be used to represent a non-proportional situation?

Mathematics
1 answer:
madreJ [45]3 years ago
6 0
The one that doesn’t go through the origin
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What is the sum of 2n-3+2.15n+5.98
faust18 [17]

Answer:

=4.15n + 2.98

Step-by-step explanation:

6 0
2 years ago
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If f(x)=3/x+2- sqrt x-3 f(7)=?
Dovator [93]

To get the answer, you need to solve the equation for x = 7.

f(7) = 3/7 + 2 - sqrt(7) - 3.

= 3/7 - 1 - sqrt(7).

If you need to simplify it further:

= -4/7 - sqrt(7).

If you need it in decimal form:  = -3.2171798824

7 0
3 years ago
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Find the real or imaginary solutions of each equation by factoring
anyanavicka [17]
Sum of  2 perfect cubes
a³+b³=(a+b)(x²-xy+y²)
so

x³+4³=(x+4)(x²-4x+16)
set each to zero
x+4=0
x=-4

the other one can't be solveed using conventional means
use quadratic formula
for
ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}
for x²-4x+16=0
x=\frac{-(-4)+/- \sqrt{(-4)^2-4(1)(16)} }{2(1)}
x=\frac{4+/- \sqrt{16-64} }{2}
x=\frac{4+/- \sqrt{-48} }{2}
x=\frac{4+/- (\sqrt{-1})(\sqrt{48}) }{2}
x=\frac{4+/- (i)(4\sqrt{3}) }{2}
x=2+/- 2i\sqrt{3}


the roots are
x=-4 and 2+2i√3 and 2-2i√3
8 0
3 years ago
The sale price of an item is $160 after a 20% off discount. What was the original price of the item?
bulgar [2K]

Answer:

200

Step-by-step explanation:

160/80 is 2. 2 times 100 is 200

6 0
3 years ago
Help me on this to I'm begging u I'm so sorry I'm up so late but the school I'm in is wack ​
lianna [129]

Answer:

Answer below

Step-by-step explanation:

1. C 2

2. The temperature from 15°F to -6°F has changed by 21°F

5. C $37

I hope this helps

6 0
3 years ago
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