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IRISSAK [1]
2 years ago
6

I need help thank you

Mathematics
1 answer:
kifflom [539]2 years ago
5 0

B. quadratic functions are not linear but are still functions!! hope this helps!!

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1kg costs £1.28. what is the cost of 250g
vivado [14]
First, convert 1 kg to g.

1 kg = 1000 g

So 1000 g = 1.28

Set up a proportion:

1000/1.28 = 250/x

Cross multiply:

1000x = 320

Divide 1000 to both sides:

x = 0.32

So 250g costs £0.32
8 0
3 years ago
A smart phone regularly sells for $180.00 but is on sale for 30% off. What is the amount of the discount?
pantera1 [17]

Answer:

$54

Step-by-step explanation:

The amount of the discount can be found by multiplying 180 by 0.3 which is 54.

If you also need to know the new total it would be $126 because

180 - 54 = 126

4 0
3 years ago
HELP ASAP!!Solve for x. Enter the solutions from least to greatest.
telo118 [61]
X^2 - 5x - 14 = 0

what multiplies to negative 14 and adds to negative 5? -7 and positive 2.

(x - 7) (x + 2) = 0

Lesser x = -2
Greater x = 7
4 0
2 years ago
CAN SOMEBODY HELP ME PLZ
laiz [17]
Let x be the brick portion of the wall
Since x is 2/3 of the wall
Then x= (2/3)(2 3/4)
x= 11/6 = 1 5/6
So the brick portion of the wall is 1 5/6 feet

Note: that's not 15/6, it's a mixed fraction which is 1 + 5/6.. just to let you know
8 0
3 years ago
Use mulipation to find 2 equivalent fractions
laila [671]
1/2 is equivalent to 2/4 because,

2(1/2) = 2/4 

So as you can see if you multiply the numerator(top) and the denominator(bottom) by the same number, you get an equivalent fraction! In my example you can see that I multiplied both by 2.
5 0
3 years ago
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