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zhenek [66]
4 years ago
9

Simplify the expression

Mathematics
1 answer:
vekshin14 years ago
6 0

Answer:

the answer is c

Step-by-step explanation:

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Factor 15z^2+17z-18 please show work
siniylev [52]

There is no common factor between 15, 17 and 18 because 17 is prime.  

15z² +17z - 18 =  

d = 17² - 4.15.-18  

d = 289 + 1080  

d = 1369  

z = (-17 +/- \/1369) : 2 * 15  

z = (-17 + 37) : 30  

z' = 20 : 30 = 2/3  

z" = (-17 - 37) : 30  

z" = -54 : 30 = -1.8  

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7 0
3 years ago
What is x in 5x +(3-1)=12
olga2289 [7]

Answer:

x=2

Step-by-step explanation:

5x +(3-1) =12

5x +2 =12

5x =12-2

5x =10

x =10÷5

x =2

5 0
3 years ago
18% of what number is 46.8?
Rasek [7]
The answer is 260 have a good day.
I love it when people ask me these questions.
8 0
3 years ago
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Yo make lemonade you have to mix 2 quarts is water with 8 tablespoons is lemonade mix. How much mix will you need for 12 quarts
Alisiya [41]
2 quarts- 8 tablespoons
12 quarts- 8 x 6 = 48 tablespoons
6 0
3 years ago
The points (-2, 6) and (2, r) lie on a line with slope 3. Find the missing coordinate r.
sashaice [31]
ANSWER: r=18

EXPLANATION:

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3 years ago
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