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vova2212 [387]
3 years ago
7

Find the square of (2a+b)​

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0

Answer:

4a^2+4ab+b^2

Step-by-step explanation:

To find the square we multiply the expression with itself

(2a+b)×(2a+b) = 4a^2+4ab+b^2

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Solve for k:<br> 310 – (30 x 7) = 5 x k
tester [92]

Answer:

k=20

Step-by-step explanation:

ph*tomath (the app) is your friend btw because this would be really easy to solve using that but

solve for k:

simplify the left side as 310-210 then =100

so 100=5k

divide by 5 and k=20

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3 years ago
There are 10 apples in the fridge and 2 of them are bad. if you grab 3 apples, what is the expected number of bad apples
Vilka [71]
2 there should still be the 2 bad apples
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1. What is the place value of the 1 in 1,234,567,890? ​
FrozenT [24]

Answer:

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4 0
2 years ago
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What is the center and radius of the following circle: x2 + (y _ 6)_ = 50
Rama09 [41]
The true question should be like this:
<span>What is the center and radius of the following circle: x^2 + (y _ 6)^2 = 50, 
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the radius is R =5sqrt(2), 
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3 years ago
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Answer:

126

Step-by-step explanation:

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