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3 years ago

Wich is a better buy?4 cans for $6 or 8 cans for $10

Mathematics

2 answers:

Oliga [24]3 years ago

8 0

Answer:

Step-by-step explanation:

6/4=1.5 (price per can)

10/8=1.25 (price per can)

1.25 is cheaper than 1.5

the second one is the better buy

katrin2010 [14]3 years ago

5 0

Answer:

8 cans for $10 will be the better buy

Step-by-step explanation:

Use unit rates

4/$6 = $0.66 per can

8/$10=$0.8 per can

So therefore, 8 cans for $10 will be the better buy

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On a coordinate plane, a shape is plotted with vertices of (3, 1), (0, 4), (3, 7), and (6, 4). what is the area of the shape if

QveST [7]

Let
<span>A (3, 1)
B (0, 4)
C(3, 7)
D (6, 4)

step 1
find the distance AB
d=</span>√[(y2-y1)²+(x2-x1)²]------> dAB=√[(4-1)²+(0-3)²]-----> dAB=√18 cm

step 2
find the distance CD
d=√[(y2-y1)²+(x2-x1)²]------> dCD=√[(4-7)²+(6-3)²]-----> dCD=√18 cm

step 3
find the distance AD
d=√[(y2-y1)²+(x2-x1)²]------> dAD=√[(4-1)²+(6-3)²]-----> dAD=√18 cm

step 4
find the distance BC
d=√[(y2-y1)²+(x2-x1)²]------> dBC=√[(7-4)²+(3-0)²]-----> dBC=√18 cm

step 5
find slope AB and CD
m=(y2-y1)/(x2-x1)
mAB=-1
mCD=-1
AB and CD are parallel and AB=CD

step 6
find slope AD and BC
m=(y2-y1)/(x2-x1)
mAD=1
mBC=1
AD and BC are parallel and AD=BC
and
AB and AD are perpendicular
BC and CD are perpendicular

therefore
the shape is a square wit length side √18 cm

area of a square=b²
b is the length side of a square
area of a square=(√18)²------> 18 cm²

the answer is
18 cm²

see the attached figure

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Answer:

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Step-by-step explanation:

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allochka39001 [22]

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ivanzaharov [21]

Answer:

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Step-by-step explanation:

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3 years ago

Wich is a better buy?4 cans for $6 or 8 cans for $10​

Wich is a better buy?4 cans for $6 or 8 cans for $10