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baherus [9]
3 years ago
7

Find the perimeter of a rectangle: length is 4 centimeters and width is 8 centimeters

Mathematics
2 answers:
NISA [10]3 years ago
7 0

Step-by-step explanation:

perimeter of rectangle=2(l+b)

=2(4+8)

=2(12)

=24cm^2

xxTIMURxx [149]3 years ago
5 0
4 + 8 + 4 + 8

when finding the perimeter you add each side
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5-2+12÷4<br> use the order of operations
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Step-by-step explanation:

= 5- 2 + 12 /4

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6 0
3 years ago
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I need help with this algebra question
ioda

Answer:

4.58258

Step-by-step explanation:

Pythagorean Theorem:

a² + b² = c²

Input:

2² + x² = 5²

Remember, c² is always the side opposite of the right angle...

4 + x² = 25

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The table represents an exponential function.
kkurt [141]

Answer:

b=2/3

Step-by-step explanation:

The table is given as:

\left|\begin{array}{c|c}x&y\\--&--\\1&9\\2&6\\3&4\\4&\dfrac83\\\\5&\dfrac{16}{9}\end{array}\right|

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y= a (b)^{x}

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When  x=1, y=9, we have:

9= a (b)^{1}

When  x=3, y=4, we have:

4= a (b)^{3}

Dividing the two equations:

\dfrac{a (b)^{3}}{a (b)^{1}} =\dfrac{4}{9} \\b^2=\dfrac{4}{9}\\b=\sqrt{\dfrac{4}{9}} \\b=\dfrac{2}{3}

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5 0
4 years ago
Jensen is building a snow fort. Each block in the fort weighs about 1 kilogram. Jensen hopes to make about 40 blocks for the for
babymother [125]

Answer: 13,333 snowflakes

Step-by-step explanation:

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According to the information given in the exercise, the weight of one block is 1 kilogram. Knowing that the fort must have 40 blocks, the total weight is:

total\ weight=(1\ g)(40)\\\\total\ weight=40\ g

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Therefore, through this procedure you get the following result:

x=\frac{40\ grams}{3 * 10 ^{-3}\ grams}\\\\x\approx13,333

Therefore, the there will be 13,333 snowflakes in the fort.

5 0
3 years ago
3/5 to second power times 25
Anestetic [448]
The answer is 9 because 3/5 to second power is 9/25 then you multiply it by 25 and you get 9
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3 years ago
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