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mars1129 [50]
2 years ago
12

Fractions that if times by 1 half you get more than a half?

Mathematics
1 answer:
allochka39001 [22]2 years ago
5 0

Answer:

See below

Step-by-step explanation:

Only 'improper' fractions would have this result....that is fractions with numerator  >  denominator

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IM AM SO CONFUSED
Semenov [28]

Hello,

Answer (1/2,-1/4)

8x^2-2x-1=0\\\\8x^2-4x+2x-1=0\\\\4x(2x-1)+2x-1=0\\\\(2x-1)(4x+1)=0\\\\sol=\{\dfrac{1}{2} ,-\dfrac{1}{4} \}\\

6 0
3 years ago
1. What does it mean for a number to have a variable at the end of it? (i.e 1.6x)
miskamm [114]

Answer:

1. 1.6x has a variable which means an unknown number

2. 5 more than 0.10 times a number

Step-by-step explanation:

A variable is an unknown number represented by a letter. It provides a way to write a relationship in the real world without knowing all the values involved, 1.6x means 1.6 times an unknown number mathematically. A real world example would be a percent growth of 60% on an unknown price - 1.6x.

5 + 0.10x means 5 more than 0.10 times an unknown number. A real world example here would be "10% off a sale plus $5 coupon". We don't know the price of the item but we do know it is 10% off and we get $5 off. Once we know the price we input it int for x and find the total discount.

8 0
3 years ago
When there is a wedge between private costs and social costs, which of the following must be present?
Bogdan [553]
The negative externalities must be present.
4 0
2 years ago
A young sumo wrestler goes on a special diet to gain weight.
Ilia_Sergeevich [38]

Answer:

10.8 kg

Step-by-step explanation:

w = 80 + 5.4t

At time 0, when he starts the diet, his initial weight is

w = 80 + 5.4(0)

w = 80

80 kg.

After 2 months, t = 2. His weight is

w = 80 + 5.4t

w = 80 + 5.4(2)

w = 80 + 10.8

w = 90.8

90.8 kg.

His gain in 2 months was 90.8 kg - 80 kg = 10.8 kg

Answer: 10.8 kg

8 0
3 years ago
Read 2 more answers
Which expression can be used to convert 22 Australian dollars to US dollars?
Nadusha1986 [10]
$22 AUD * 1 USD / 1.2 AUD
Hope that helps
5 0
3 years ago
Read 2 more answers
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