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FrozenT [24]
2 years ago
6

How many solutions does the linear system below have? -8x+2y=6 and -4x+y=3

Mathematics
1 answer:
Verizon [17]2 years ago
7 0

Answer:

Step-by-step explanation:

Try dividing the first equation by 3.  The result will be identical to the second equation.  Thus, we have two lines that coincide, and therefore there are an infinite number of solutions.

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A rectangular garden has a perimeter of 174 feet. The length is 9 feet more than twice the width. Find the length and the width.
serg [7]
Rectangle : 4 sides

In pairs are the same size.

174 ÷ 2= 87

87-9= 78

78 ÷ 2= 39


174-78= 96

96 ÷ 2= 48

Answer :

39 and 48
7 0
3 years ago
Which expression is equivalent to? Assume x > 0 and y > 0.
shtirl [24]

Answer:

The correct answer is third option

√5/(x²y)

Step-by-step explanation:

It is given an expression,√(55x⁷y⁶/11x¹¹y⁸)

Points to remember

Identities

xᵃ/xᵇ = x⁽ᵃ ⁻ ᵇ)

x⁻ⁿ = x¹/ⁿ

<u>To find the equivalent expression</u>

We have, √(55x⁷y⁶/11x¹¹y⁸)

By using above identity we can write,

√(55x⁷y⁶/11x¹¹y⁸) = √[(55/11) (x⁷/x¹¹) (y⁶/y⁸)]

 = √[5x⁷⁻¹¹ y⁶⁻⁸]

 = √[5x⁻⁴ y⁻²]

 = √[5/x⁴y²]

 = √5/(x²y)

Therefore the correct answer is third option

√5/(x²y)

8 0
3 years ago
Read 2 more answers
What is the area of the triangle in the diagram
rusak2 [61]

Answer:

B*H/0.5

p-by-step explanation:

6 0
3 years ago
Convert 12/25 to a percent.
Scorpion4ik [409]

Answer:

48%

Step-by-step explanation:

100/25= 4

so

12×4/ 25×4 = 48/ 100 = 0.48

0.48 ×100 = 48%

8 0
3 years ago
30. (14 letters) The process of changing one unit of measure to another.
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Unit conversion
taxable income
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3 years ago
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