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hoa [83]
3 years ago
10

Can someone help me please

Mathematics
1 answer:
Taya2010 [7]3 years ago
4 0

Answer:

n = -1

Step-by-step explanation:

n^2 + 5n + 1 = 3n

N^2 +2n +1 = 0       (subtract 3n from both sides)

(n+1)(n+1) = 0   (factor

n+1 =0; n= -1

n+1 = 0  ; n=-1

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Simplify: <br>5√3+4√12-2√75​
svlad2 [7]

Answer:

8 + 5\sqrt{3}-10\sqrt{7}

Step-by-step explanation:

i just wrote 5\sqrt{3} as a decimal

times 2 with 4\sqrt{1} and

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7 0
3 years ago
Biruk wants to buy a book for $15.25 and a book for $4.85. He wants to pay with one $20 bill. Use estimation to decide if this i
ycow [4]
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8 0
4 years ago
Read 2 more answers
Which of the following has a value this is less than zero? A:(-6)^2 B:1/3 x 2 C:0.5^2 D:-7^2
solniwko [45]

The value of -7² is less than zero which is the correct answer would be an option (D)

<h3>What is the fraction?</h3>

A fraction is defined as a numerical representation of a part of a whole that represents a rational number.

<h3>What are Arithmetic operations?</h3>

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions.

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

To determine the value is less than zero

Option A: (-6)² ⇒ 36

So this value is greater than zero

Option B: 1/3 × 2 ⇒ 2/3

So this value is greater than zero

Option C: 0.5² ⇒ 0.25

So this value is greater than zero

Option D: -7² ⇒ -49

So this value is less than zero

Learn more about the fraction here:

brainly.com/question/10708469

#SPJ1

8 0
2 years ago
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