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8_murik_8 [283]
3 years ago
10

Factorize the following expressions

Mathematics
1 answer:
klio [65]3 years ago
8 0

Step-by-step explanation:

1. a² - ( b ² - 2bc + c² ) = a ² - b ² + 2bc - c²

2. 8p² - 18 q²

3. 3ab² - c²d + 3ab - b²c²

4. x² - 2x + 1

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Solve for x: 2|x − 3| + 1 = 7
bearhunter [10]
***SOLVE FOR X***


Answer:<span><span>
x=<span><span>6<span> or </span></span>x</span></span>=<span>0</span></span>
6 0
4 years ago
Anyone know the answer? Thanks. Will mark as brainliest.
Lostsunrise [7]

Answer:

4.

Step-by-step explanation:

6 0
3 years ago
Ferroza can buy a 24-ounce bag of ferret food for $1.19, or she can buy a 36-ounce bag for $2.89. Which is the better deal? Just
Artist 52 [7]

Answer:the 24 for 1.19 is the better deal

Step-by-step explanation:

1. 1.19 ÷24 =4.95

2.2.89÷36=8.5

3. It cost less for 1 can than the 8.5 dollar can.

5 0
3 years ago
To obtain an estimate of the proportion of "full time" university students who have a part time job in excess of 30 hours per we
musickatia [10]

Answer:

2,436 students

Step-by-step explanation:

At a 90% confidence level, the z-score is 1.645 and the confidence interval is given by:

x\pm z\frac{s}{\sqrt n}

Where s is the standard deviation, and  n is the sample size.

If they want the length of their confidence interval to be no greater than 0.2, it must be no further than 0.1 from the mean 'X':

0.1>1.645\frac{3}{\sqrt n}\\\sqrt n>1.645*30\\n>2,435.42

Rounding up to the next whole number, the sample size should be 2,436 students.

5 0
4 years ago
How manany 45¢ stamps can you buy with $9?
Nat2105 [25]

Answer:

20 45¢ stamps

Step-by-step explanation:

Since 100¢ = $1,

you have to convert $9 into 900¢

900 ÷ 45 = 20

So you can buy 20 stamps

Hope this helps! :)


4 0
3 years ago
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