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3 years ago

Please help me understand this. is it 12, 14, 18 or 24

Mathematics

2 answers:

svetlana [45]3 years ago

4 0

It is 14. You have to split the top and bottom rectangles and then figure the area for each one and add them. For the top it is 1*2=2, for the bottom, 4*3=12 then 2+12=14.

ra1l [238]3 years ago

3 0

Answer:

It is 14. I split the shapes.

Step-by-step explanation:

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kicyunya [14]

Answer:

547.5 cm

Step-by-step explanation:

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3 years ago

A cup has a circumference of 28 cm. Approximately what is the diameter?

Ainat [17]

Answer:

The diameter is approximately 8.9 cm

Step-by-step explanation:

The circumference is given by

C = pi *d

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28 /3.14 =d

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3 years ago

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elixir [45]

Answer:

Step-by-step explanation:

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3 years ago

Find a8 when a1= 9, d = 4 of the arithmetic sequence whose first term is a1 and common difference is d.

Gelneren [198K]

General Arithmetic Terms

$\displaystyle \large{a_n = a_1 + (n - 1)d}$

We want to find a8; we know:

a1 = 9
d = 4

Substitute in the formula.

$\displaystyle \large{a_n = 9 + (n - 1)4} \\ \displaystyle \large{a_n = 9 + 4n - 4} \\ \displaystyle \large{a_n = 4n + 5}$

To find a8, substitute n = 8

$\displaystyle \large{a_8= 4(8) + 5} \\ \displaystyle \large{a_8= 32 + 5} \\ \displaystyle \large{a_8= 37}$

Hence, the 8th term of sequence is 37

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3 years ago

Holly is painting her garage. She estimates it will take her

cupoosta [38]

Answer:

Step-by-step explanation:

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3 years ago

Please help me understand this. is it 12, 14, 18 or 24​

Please help me understand this. is it 12, 14, 18 or 24