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Nady [450]
3 years ago
11

-5n^+8n=-4 identifying solutions to quadratic equations- notes

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Easy, just use the formula of the discriminant,

kifflom [539]3 years ago
7 0

Answer:

if i knew this i would help you but i dont sorry

Step-by-step explanation:

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4.5=2c I need help plz
larisa86 [58]

Answer:

c=2.25

Step-by-step explanation:

4.5=2c\\2c=4.5\\c=4.5/2\\c=2.25

6 0
3 years ago
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Nathaniel misses 10% of the free throws he attempts in a season. How many total free throws did he attempt if he missed 61?
AysviL [449]

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7 0
3 years ago
Jennifer has 8 bags of marbles. Each bag has 5 marbles in it. If she divides all of the marbles into 4 groups, how many will be
emmasim [6.3K]

the anwers to the problem is 8,5,4

3 0
3 years ago
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0.7x+6=0.3(4x+6)−2x
Gelneren [198K]

Answer: x=-2.8

Step-by-step explanation:

Given the following equation:

0.7x+6=0.3(4x+6)-2x

You can follow these steps in order to solve for "x" and find its value:

1. Apply Distributive property on the right side of the equation:

0.7x+6=0.3(4x+6)-2x\\\\0.7x+6=1.2x+1.8-2x

2. Subract 0.7x from both sides and add the like terms:

0.7x+6-(0.7x)=1.2x+1.8-2x-(0.7x)\\\\6=-1.5x+1.8

3. Subtract 1.8 from both sides:

6-(1.8)=-1.5x+1.8-(1.8)\\\\4.2=-1.5x

4. Finally, divide both side of the equation by -1.5:

\frac{4.2}{-1.5}=\frac{-1.5x}{-1.5}\\\\x=-2.8

8 0
4 years ago
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Mary mentions that she spends only 5% of her weekly income on entertainment. You know that she usually spends about $10.00. What
Neporo4naja [7]
0.05X=10
X=200
it should be that
7 0
3 years ago
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