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Serjik [45]
2 years ago
10

7x²+4x-1 evaluate the expression

Mathematics
1 answer:
marissa [1.9K]2 years ago
4 0

Answer:

here

Step-by-step explanation:

 

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Both powers should be in the denominator with positive exponents.
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3 years ago
Use the Distributive Property to write each expression as an equivalent algebraic expression. (7 + a)3 Question 4 options: 3(7a)
AysviL [449]

Answer:

(B)21+3a

Step-by-step explanation:

An expression is said to be distributive when:

(a+b)c=a \cdot c+b \cdot c

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Applying the distributive property

(7 + a)3 = 7 \cdot 3+a \cdot 3\\=21+3a

An equivalent expression is 21+3a.

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5 0
4 years ago
the length and width of a rectangle lot are in the ratio 3 to 2. if he perimeter of the lot is 530yards, find the length and wid
sergey [27]
Length = l = 3x
Width = w = 2x
P = 2l + 2w
P = 2(3x) + 2(2x)
530 = 6x + 4x
530 = 10x
53 = x
Length = 3x = 3(53) = 318 / 2 sides = 159
<span>Width = 2x = 2(53) = 212/ 2 sides = 106

the length of the lot is 159 yards
the width of the lot is 106 yards</span>
3 0
3 years ago
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