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Elodia [21]
3 years ago
8

(3r-2)(r-2) solve with algebra tiles

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

3r^2-8r+4

Step-by-step explanation:

(3r-2)(r-2)=3r^2-2r-6r+4=3r^2-8r+4

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Ashley can ride her bicycle 15 miles in 2 hours. There are 60 minutes in 1 hour, and there are 1,760 yards in 1 mile. How many y
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Speed is given by:
speed=distance/time
given that:
1 mile=1,760 yards
1 hour=60 min
then the speed in yards/sec will be:
distance Ashley covered is 15 miles
time=2 hours
thus;
speed=(15x1760)/(2x60)
=220 yards/ min
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3 years ago
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To save money, you put $200 in your bank account each week. after saving for 44 weeks, you have $1,700 dollars in your account.
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3 years ago
Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best po
Brrunno [24]

Answer: (0.63, 7.07)

Step-by-step explanation:

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\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

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Now, a 90% confidence interval for population proportion will be :-

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5 0
3 years ago
I have no clue what i am doing -------- pls help lol 40 points
Katyanochek1 [597]

Step 1: Find X

3x + 7 + 9x + 17

Add the alike terms: 12x + 24

Linear is 180 degree, 12x + 24 = 180; now find x

X = 13

Now find the degree for both.

RST: 3 (13) + 7 = 46

VST: 9 (13) + 17 = 134

You're answer is A

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The answer is 5.777778 or 5.80 or 52 / 9 or 5 7/9 found by my calculator and decimal-fraction converter. MY ANSWER IS ACTUALLY CORRECT.
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