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Jet001 [13]
2 years ago
13

Are 15:35 and 25:45 the same thing]

Mathematics
1 answer:
marishachu [46]2 years ago
3 0
They are not the same thing.
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the length of a rectangle is 2ft more than twice the width. The area is 180 ft^2. find the length and width of the rectangle
Mariana [72]

Answer:

Area = length * width

 

112 = (2w+2)*w

 

112 = 2w^2 + 2w

 

0 =2w^2 + 2w - 112

 

0 = w^2 + w - 56

 

0 = (  w  +  8  )( w  -    7  )

 

w+8=0  results in negative measures

 

w-7=0 --> w = 7

 

width is 7

length is 16

3 0
2 years ago
Find the median of the data.<br> 12, 33, 18, 28, 29, 12, 17, 4, 2<br> The median is
Reptile [31]

Answer:

The median is 29

Step-by-step explanation:

So you have to cross out 12 then 2 then 33 then 4 then 18 then 17 then 28 then 12 and the last number that's standing is 29.

3 0
2 years ago
Read 2 more answers
I need help with number 5 please.
amid [387]

The answer to number 5 is 1/4 of a foot. there are 12 inches in a foot. 12 divided by 4 is 3. So 12 inches divided by 4 sections is 3 inches in each section.

8 0
3 years ago
Complete the factorization.<br><br> a^2+3a-28=(a-4)(a+ )
Murrr4er [49]

Answer:

Step-by-step explanation:

6 0
2 years ago
If 2k, 5k-1 and 6k+2 are the first 3 terms of an arithmetic sequence, find k and the 8th term​
Klio2033 [76]

Answer:

see explanation

Step-by-step explanation:

The common difference d of an arithmetic sequence is

d = a_{2} - a_{1} = a_{3} - a_{2}

Substitute in values and solve for k, that is

5k - 1 - 2k = 6k + 2 - (5k - 1)

3k - 1 = 6k + 2 - 5k + 1

3k - 1 = k + 3 ( subtract k from both sides )

2k - 1 = 3 ( add 1 to both sides )

2k = 4 ⇒ k = 2

--------------------------------------------------------

The n th term of an arithmetic sequence is

a_{n} = a_{1} + (n - 1)d

a_{1} = 2k = 2 × 2 = 4 and

d = 5k - 1 - 2k = 3k - 1 = (3 × 2) - 1 = 5

Hence

a_{8} = 4 + (7 × 5) = 4 + 35 = 39

4 0
3 years ago
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