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Murrr4er [49]
3 years ago
10

Help with this question plzzzzzz

Mathematics
2 answers:
Pie3 years ago
7 0

Answer:

C) 145 degrees

Step-by-step explanation:

angles 2 and 5 are same side interior angles, which means they're supplementary. (they add together to make 180)

using that, you can make the following equation:

(x is angle 2 to avoid confusion)

35 + x = 180

<em>subtract 35 from both sides</em>

x = 180 - 35

x = 145

fenix001 [56]3 years ago
3 0
I think it’s 145 because if 1,3,5, and 7 are the same (35) than since 1 and 3 are 35 35 plus 35 is 70 and 360 minus 70 is 290 and since 2 and 4 are the same than you would divide 290 and 2 which gives you 145 and 145 plus 145 plus 35 plus 35 equals 360
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7. a hockey arena has 10 920 seats. the first row of seats around the rink has 220 seats. the number of seats in each subsequent
Mazyrski [523]

The number of rows in the arena is 26

<h3>How to determine the number of rows?</h3>

The hockey arena illustrates an arithmetic sequence, and it has the following parameters:

  • First term, a = 220
  • Sum of terms, Sn = 10920
  • Common difference, d = 16

The number of rows (i.e. the number of terms) is calculated using:

S_n = \frac{n}{2}(2a + (n -1) * d)

So,we have:

10920 = \frac{n}{2}(2 * 220 + (n -1) * 16)

Evaluate the terms and factors

21840 = n(440 + 16n -16)

Evaluate the like terms

21840 = n(424+ 16n)

Expand

21840 = 424n + 16n^2

Rewrite as:

16n^2 + 424n - 21840 = 0

Using a graphical tool, we have:

n = 26

Hence, the number of rows in the arena is 26

Read more about arithmetic sequence at:

brainly.com/question/6561461

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4 0
2 years ago
Solve for x. 18 ÷ x = -2 x =
ruslelena [56]

Answer:

-9

Step-by-step explanation:

18/-9=(-2)

hope this helps :3

if it did pls mark brainliest

3 0
3 years ago
Read 2 more answers
Write 0.4 as a fraction or mixed number
sammy [17]

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4 0
3 years ago
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sammy [17]

Answer:

what are the irrational numbers? and also, irrational numbers are never-ending decimals that have no pattern, such as pi; 3.141592653589793238426433832795028841971693993751058209749445923078164 0628620899862803482534211706

Step-by-step explanation:

irrational numbers cannot be written in fraction form

7 0
4 years ago
Noah wants to buy a purebed golden retriever puppy that he sees for $499.By the time he goes to buy it, the price has increased
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499 - 100%
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x = 599*100/499 = 120.04
x-100% = 120.04-100 = 20.04

Answer: The price increased by 20%.

6 0
4 years ago
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