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aleksley [76]
3 years ago
5

The perimeter of a rectangular section of a roof is 96 yards. The length is 18 yards. What equation could you use to find the wi

dth w of this
section of the roof?
Mathematics
2 answers:
blagie [28]3 years ago
8 0

Answer:

<h2>w = 30 cm</h2>

Step-by-step explanation:

perimeter of the rectangle = length x width

P = 2 (l + w)

96 = 2 (18 + w)

96 = 36 + 2w

60 = 2w

w = 60/2

w = 30 cm

Kruka [31]3 years ago
4 0

Answer:

36+2w=96

2w=96-36=60

w=60/2=30

Step-by-step explanation:

perimeter is 96, that means length + length + width + width = 96.

say l is length and w is width.

since we know length is 18, 18+18+width+width = 96

36+2w=96

2w=96-36=60

w=60/2=30

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3 years ago
How do I solve this problem using the substitution method <br> x-3y=4<br> 4x-2y=26
Nastasia [14]
Top 1. Substitute 3y on both sides of the equation.
Bottom 2. Substitute 2y on both sides of the equation

3y and 2y cancel

Divide x by 4 and 26 by 4.

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5 0
3 years ago
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Y = x + 3<br>2y = 2x + 6​
Marina CMI [18]

Answer:

x=0

y=3

Step-by-step explanation:

2(x+3)=2x+6, substituting the first equation in the second

2x+6=2x+6, rearranging the equations

2x-2x=6-6

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y=0+3

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6 0
4 years ago
Evaluate the expression (-6) squared
fiasKO [112]

\huge \boxed{\mathfrak{Question} \downarrow}

  • Evaluate the expression ⇨ (-6) squared.

\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}

\sf (-6)  \: squared

This will be equal to..

\sf( - 6 ) ^ { 2 }

Multiply -6 by itself (squaring a number means to multiply the number by itself twice)

\sf- 6 \times  - 6  \\

-6 multiplied by-6 will get you 36 as the answer.

=    \boxed{\boxed{\bf \: 36}}

7 0
3 years ago
How many faces have an area of 6 cm2?
denis23 [38]

Answer:

<u><em>2</em></u>

Step-by-step explanation:

There are 6 sides:

3 by 4 = 3*4 = 12, no

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5 by 3 = 5*3 = 15, no

Triangles:

Half of 3 by 4 = 1/2 * 3* 4 = 1/2 * 12 = 6, yes

The other triangle is the same, so 2

8 0
3 years ago
Read 2 more answers
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