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3 years ago

11

The length and width of a rectangle are 5 feet and 2 feet, respectively. A similar rectangle has a width of 8 feet. What is the

length of the second rectangle

2 answers:

shutvik [7]3 years ago

4 0

Answer:

20

Step-by-step explanation:

they are proportional

so, since width increases by 4 times, length also increases by 4times

Sav [38]3 years ago

4 0

Answer:

20

Step-by-step explanation:

New Rectangle width: 8 ft

divide by old rectangle w (2ft)

= 4

4 is the rate of change.

length of O.R: 5ft

New R: 5 * 4 = 20

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Law Incorporation [45]

Answer:

If M<6=72

Step-by-step explanation:

Then What is M

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therefoe M<7=84

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3 years ago

What is the area around the fence if it’s 6 around and 7 length

patriot [66]

Answer:

42

Step-by-step explanation:

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3 years ago

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lubasha [3.4K]

Answer:

27/14

Step-by-step explanation:

to divide by a fraction flip the fraction over and multiply

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4 years ago

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Angle Q measures 30 degrees. If angle Q is rotated 15 degrees, what is the measure of angle Q'? 30 degrees 45 degrees 150 degree

scoray [572]

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3 years ago

Read 2 more answers

Please help!! I’m stuck on this

beks73 [17]

Answer:

B. $x = -4\,\lor \,x = -1$

Step-by-step explanation:

Let $\sqrt{-4-5\cdot x} = x$ , we solve for $x$ by algebraic means.

1) $\sqrt{-4-5\cdot x} = x$ Given

2) $-4-5\cdot x = x^{2}$ Definition of power/Symmetry of equality

3) $x^{2}+5\cdot x + 4 = 0$ Compatibility with addition/Commutative and associative properties/Existence of additive inverse/Modulative property

4) $(x+4)\cdot (x+1) = 0$ $x^{2}+(a+b)\cdot x +a\cdot b = (x + a)\cdot (x+b)$

5) $x = -4\,\lor \,x = -1$ Result

Hence, the correct answer is B.

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3 years ago