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MatroZZZ [7]
3 years ago
12

310-49what does 310 - 49 equal

Mathematics
2 answers:
enot [183]3 years ago
6 0
Really,
310 - 49 = 261

Simple Calculator Calculation
Ksju [112]3 years ago
5 0

<em>Answer,</em>

<h2>261 </h2>

<u><em>Hope this helps :-)</em></u>

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The length of the rectangle is 4cm less than its width . what are the dimensions of the rectangle if its area is 140
melomori [17]
Let the width of the rectangle be x
Then length =x-4
Area=x(x-4)=140
x²-4x=140
x²-4x-140=0
x²-14x+10x-140=0
x(x-14)+10(x-14)=0
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Therefore,length=14 cm and  width=10 cm

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Answer:

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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

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3 years ago
The gable end of the roof shown is divided in half by a vertical brace. Find the distance h (in ft) from an eave to the peak. 41
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Step-by-step explanation:

Assume the diagram is like the one below.

∆ABD is a right triangle.

We can use Pythagoras' Theorem to find the height h.

\begin{array}{rcl}h^{2} + 40^{2} & = & 41^{2}\\h^{2} + 1600 & = & 1681\\h^{2} & = & 1681 - 1600\\& = &81\\h& = & \sqrt{81}\\&=& \mathbf{9}\end{array}\\\text{The height of the gable is $\large \boxed{\textbf{9 ft}}$}

 

8 0
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aleksley [76]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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