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Elza [17]
3 years ago
8

I need help fast thank you

Mathematics
1 answer:
aev [14]3 years ago
8 0

5 to 10 = 5 hours

2000 / 5 = 400

answer
average = 400 miles per hour
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Austin earns $24 per hour.
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4 years ago
What additional information would you need to prove that ΔABC ≅ ΔDEF by SAS?
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Read 2 more answers
The width of a rectangle is 6 cm less than its length. If its perimeter is 80 cm then its lengths (in cm) and area (in cm²) are
mr_godi [17]
Start by stating the given info as mathematical expressions:

1. "<span>The width of a rectangle is 6 cm less than its length." 
     w=l-6

2. "I</span><span>ts perimeter is 80 cm."
     P=80

Using the formula for perimeter (P=2l+2w) we can show:
80=2l+2w.

We now have 2 equations in 2 unknowns and can solve by substitution:
</span>80=2l+2w
80=2l+2(l-6)
80=2l+2l-12)
92=4l
l=23

The length is 23cm.

Having the length w can then find the width:
w=l-6
w=23-6
w=17

The width is 17cm.

And finally the area:
A=lw
A=(23)(17)
A=391

The area is 391cm^{2}. 

As a check we can use the known perimeter:
80=2l+2w
80=2(23)+2(17)
80=46+34
80=80 Checks true. 
5 0
4 years ago
What is the value of p? <br><br> A. 45 <br> B. 35 <br> C. 55<br> D. 125 <br><br> wouldn’t it be 35?
Verdich [7]
That is right it's 35degree.
7 0
4 years ago
The length of a deck is 4 times its width. if the perimeter is 30 feet what is the area
Fantom [35]
I hope this helps you



4 0
3 years ago
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