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Fofino [41]
3 years ago
14

If carpet cost $3.25 per square yard, how much would it cost to carpet a rectangular room that is 9 yards wide and 11 yards

Mathematics
1 answer:
jasenka [17]3 years ago
5 0

Answer:

$321.75

Step-by-step explanation:

The total area of the carpet needed is 9(11) = 99 sq yards.  If costs $3.25 per yard, so we pay..

$3.25(99) = $321.75

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Multi-Step Two friends compare the amount of change they
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Answer:

Ashley

Step-by-step explanation:

Ashley:

12n (n=5) = 60+2u (u=10)=80

4 quarters equal a dollar

$1.80

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A rectangle ahs a long side of a length 8.5 cm its perimeter is 24cm work out the length of the shorter side
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Answer:

Width (length of shorter side) = 3.5 cm.

Step-by-step explanation:

L = 8.5 cm

perimeter, P = 24 cm

2(L+W) = 24

substitute L = 8.5

2(8.5+W) = 24

8.5 + W = 24/2 = 12

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3 years ago
2. Wpisz taką liczbę, aby rozwiązaniem równania była liczba 2.
lys-0071 [83]
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3 years ago
100 pints help would be greatly appreciated
Veronika [31]

Answer:

  (4, -2)  (see attached)

Step-by-step explanation:

Vector addition on a graph is accomplished by placing the tail of one vector on the nose of the one it is being added to. The negative of a vector is in the direction opposite to the original.

__

<h3>vector components</h3>

The components of the vectors are ...

  u  = (1, -2)

  v = (-6, -6)

Then the components of the vector sum are ...

  2u -1/3v = 2(1, -2) -1/3(-6, -6) = (2 +6/3, -4 +6/3)

  2u -1/3v = (4, -2)

<h3>graphically</h3>

The sum is shown graphically in the attachment. Vector u is added to itself by putting a copy at the end of the original. Then the nose of the second vector is at 2u.

One-third of vector v is subtracted by adding a vector to 2u that is 1/3 the length of v, and in the opposite direction. The nose of this added vector is the resultant: 2u-1/3v.

The resultant is in red in the attachment.

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2 years ago
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