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Lerok [7]
3 years ago
12

A test has 20 questions and is worth 100 points. The unit rate is Points per question?

Mathematics
1 answer:
babunello [35]3 years ago
6 0

Answer:

15

Step-by-step explanation:

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Find the squares of (y+3) ​
emmasim [6.3K]

Answer:

Since we know that

(a+b)

2

=a

2

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(a−b)

2

=a

2

−2ab+b

2

Now,

(i)

(x+3y)

2

=x

2

+2×x×3y+(3y)

2

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2

+6xy+9y

2

(ii)

(2x−5y)

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2

−2×2x×5y+(5y)

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=4x

2

−20xy+25y

2

(iii)

(a+

5a

1

)

2

=a

2

+2×a×

2a

1

+(

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1

)

2

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2

1

(iv)

(2a−1a)=(1a)

2

(1a)

2

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2

Answer

8 0
2 years ago
Describe and correct the error in finding the solution of the equation 2x=6x
kipiarov [429]
The error is that both sides of the equation have a variable. So if you were to combine your like terms, then you'd leave one side without a number and if your teacher is saying there is a left over number then it will be 0
6 0
3 years ago
3x-4=5<br><br> Solve the equation above
SVEN [57.7K]

Answer:

The answer is x = 3

Explanation step by step

8 0
3 years ago
What is root 3 × 2 root 3​
Nezavi [6.7K]

Answer:

3

Step-by-step explanation:

The principal, real, root of:

\sqrt[2]{3}

=1.73205081

All roots:

1.73205081

−1.73205081

 

3 is not a perfect square

5 0
3 years ago
Whitewater Rentals has 39 canoes and 25 solo kayaks. The canoes rent for $45 for a six-hour trip. The solo kayaks rent for $49 f
stiv31 [10]
$2,424 was collected for the day
31(45)=1395
21(49)=1029
$2,424
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3 years ago
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