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Fantom [35]
2 years ago
7

51:14

Mathematics
1 answer:
goldenfox [79]2 years ago
8 0

Answer: Responsibility might include registering to vote, learning about laws that might affect his new status as an adult.

Duty may include registering for Selective Service.

Step-by-step explanation:

This may be better in the Social Studies category, but I gave it a shot as long as it's here in Mathematics.

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Randy hung a total of 900 feet of Christmas lights on the exterior of his house this past holiday season. If 1 foot equals 30.48
motikmotik
I’m trying to work it out right now but either way search it up it might come out
7 0
3 years ago
if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is .....a.2 b.-2 c 1/2 d.none ​
blsea [12.9K]

Answer:

k=2

Problem:

if the equation x^2 +(k+2)x+2k=0 has equal roots,then the value of k is ..

Step-by-step explanation:

Since the coefficient of x^2 is 1, we can use this identity to aid us: x^2+bx+(b/2)^2=(x+b/2)^2.

So we want the following:

[(k+2)/2]^2=2k

Apply the power on the left:

(k+2)^2/4=2k

Multiply both sides by 4:

(k+2)^2=8k

Expand left side:

k^2+4k+4=8k *I used identity (x+c)^2=x^2+2xc+c^2

Subtract 8k on both sides:

k^2-4k+4=0

Factor using the identity mentioned a couple lines above:

(k-2)^2=0

Since zero squared is zero, we want k-2=0.

Adding both sides by 2 gives k=2.

8 0
3 years ago
the schools custodian collects all the aluminum cans from the trash cans to recycle he places the cans in paper bags to take to
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3 years ago
1. Savannah has 5 dogs and she feeds each of them 6 oz of dog food every day. How many
dalvyx [7]

Answer: either 30oz each day

Step-by-step explanation: you have to multiply 5 x 6 to get your answer

6 0
2 years ago
Read 2 more answers
Answers or correcting???
never [62]

Answer:

Answers

Step-by-step explanation:

7 0
3 years ago
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