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Zolol [24]
3 years ago
14

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

Mathematics
1 answer:
ikadub [295]3 years ago
7 0

Answer:

71

Step-by-step explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

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A rectangular room is four times as long as it is wide, and its perimeter is 70 meters. Find the width of the room. 
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<span>W=3/4L
P=2L=2W
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i think. </span>
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3 years ago
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20 points.<br> Please answer and explain if possible.<br> Multiply.<br> -2y^2 * xy^4
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When the bases are the same, you can combine the exponents.

x³   [x is where the base is]

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[when you multiply a variable with an exponent by an exponent, you multiply the exponents together] so:

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adoni [48]

Answer:

see the procedure

Step-by-step explanation:

The situation could be

Alice needs to divide 1/4 pound of meat into three equal parts. What is the weight of each part?

so

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Given the information below, QRS is UVT similar to ? If so, give the scale factor.
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Look\ at\ the\ picture.\\\\\Delta QRS\sim\Delta UVT\ if\ \frac{|QR|}{|UV|}=\frac{|RS|}{|VT|}\\\\\frac{|QR|}{|UV|}=\frac{8}{18}=\frac{4}{9}\\\\\frac{|RS|}{|VT|}=\frac{16}{34}=\frac{8}{17}\\\\Answer:A.\ No,\ the\ triangles\ are\ not\ similar.

4 0
3 years ago
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