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Luda [366]
3 years ago
7

The perimeter of a rectangle is 86cm Twice the width exceeds the length by 2cm find the dimensions of the rectangle

Mathematics
1 answer:
Vitek1552 [10]3 years ago
4 0
Let b = width
l = length
Then, l = 2b - 2 ----------(i)
and, Perimeter = 86 cm
=> 2(l+b) = 86
=> 2b - 2 + b = 86/2
=> 3b = 43 +2
=> b = 45/3 = 15
=> b = 15
Putting the value of b in equation(i)
And, l = 2×15 - 2
= 30-2
= 28
Hence, length = 28 cm
width = 15 cm
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3 0
3 years ago
What is the slope of the line through (-9,6) (-6,-9)
mina [271]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
. Laser tag costs $35 per game. The laser tag fans want to play more than 1 game of laser tag. Write an expression to help you f
8_murik_8 [283]

Let x represent the amount of games played.

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3 0
3 years ago
Kerrie uses the work shown below to determine 35% of 280.
lys-0071 [83]

For this case we must find 35% of 280.

Kerrie gets 10% and then 25%. So:

10% of 280:

280 ------------> 100%

x -----------------> 10%

Where "x" represents the amount given by 10% of 280.

x = \frac {10 * 280} {100}\\x = 28

Thus, 10% of 280 is 28.

Now, we find 25% of 280:

280 ------------> 100%

x -----------------> 25%

Where "x" represents the amount given by 25% of 280.

x = \frac {25 * 280} {100}\\x = 70

Thus, 25% of 280 is 70.

So we have that 35% of 280 is given by:

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So, Kerrie's solution is correct.

Answer:

Option A

6 0
3 years ago
Read 2 more answers
Find the 7th term of the number pattern of general term 5n-4​
olchik [2.2K]

Answer:

Step-by-step explanation:

n = 7 so it is:

5(7) - 4

= 35 - 4

= 31.

4 0
3 years ago
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