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Verdich [7]
3 years ago
11

Find the approximate measure of the missing length

Mathematics
1 answer:
kap26 [50]3 years ago
5 0

Answer:

b= 20.8

Step-by-step explanation:

Pythagorean Theorem: a²+b²=c²

a= 12

b= ?

c= 24

Equation: 12²+b²=24²

12²= 144

24²= 576

New equation: 144+b²=576

Find b: 576-144=432

\sqrt432= 20.7846097

Round to nearest tenths: 20.8

b= 20.8

Check answer:

144+432=576

Correct!

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Find the area of the polygon.<br>A)125ft<br>B)140ft<br>C)165ft<br>D)345ft
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4 years ago
Susan's graduation picnic will cost $78 if it has 26 attendees. At most how many attendees can there be if Susan budgets a total
Alchen [17]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
How many plastic cubes can fit into the box?
netineya [11]

Option D:

160 plastic cubes can fit into the box.

Solution:

Convert mixed fraction into improper fraction.

Length of the box = 4 ft

Width of the box = 2\frac{1}{2}=\frac{5}{2} ft

Height of the box = 2 ft

Volume of the box = length × width × height

                                 $=4\times\frac{5}{2} \times2

                                 = 20 ft³

Volume of the box = 20 ft³

Length of the plastic cube = \frac{1}{2} ft

Volume of the cube = length × length × length

                                 $=\frac{1}{2} \times\frac{1}{2} \times\frac{1}{2}

                                 $=\frac{1}{8} \ \text{ft}^3

Volume of the cube = 0.125 ft³

$\text{Number of plastic cubes}=\frac{\text{Volume of box}}{\text{Volume of cube}}      

                                        $=\frac{20}{0.125}

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Number of plastic cubes = 160

Hence 160 plastic cubes can fit into the box.

Option D is the correct answer.

7 0
3 years ago
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