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Yuki888 [10]
3 years ago
5

I don't understand exactly how to solve this.​

Mathematics
2 answers:
Marizza181 [45]3 years ago
4 0

Step-by-step explanation:

116° + y° = 180°. (sum of angles on a straight line = 180°)

Therefore y° = 64°.

The angles x°, y°, 72° and 125° are interior angles of a quadrilateral. (4-sided polygon)

In a quadrilateral, sum of interior angles = 360°.

So x° = 360° - y° - 72° - 125°

= 360° - 64° - 72° - 125°

= 99°.

Hence x° = 99°.

Volgvan3 years ago
4 0

Answer:

  • x = 99°

Step-by-step explanation:

<u>First find y as its on straight line with 116°</u>

  • y = 180° - 116° = 64°

<u>Now, the sum of interior angles of a quadrilateral is 360°</u>

  • x = 360° - (64° + 125° + 72°) = 99°
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swat32

Answer:

180

Step-by-step explanation:

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3 years ago
Karen deposits $150 into her savings account in May and then deposits another $25 in June. She withdrew $105 in July. What is Ka
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Answer:

her balance in August is $70

Step-by-step explanation:

First, calculate her balance after the deposit in June:

150 + 25

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Then, calculate her balance after July's withdrawl:

175 - 105

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Read 2 more answers
Two more than 5 times a number is greater than or equal to 3
jenyasd209 [6]

Answer:

n ≥ 1/5

Step-by-step explanation:

Let the number be n.  Then 5n + 2 ≥ 3.

If you want to solve this for n, then subtract 2 from both sides, obtaining:

5n ≥ 1.  Isolate n by dividing both sides by 5.  Then we have   n ≥ 1/5

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4 years ago
Kendrick and Rishaun spend a total of $112 at an amusement park. They spend $32 on parking, $12 on lunch, and the rest on 2 admi
Elena-2011 [213]
Each ticket is $34 each
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———————-
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3 years ago
Last questions, plz help
Goryan [66]

Answer:

9. a_n=7+6n

10. a_n=a_{n-1}+7

Step-by-step explanation:

9. Given the sequence

13, 19, 25, ...

In this sequence,

a_1=13\\ \\a_2=19\\ \\a_3=25\\ \\...

Note that

a_2-a_1=19-13=6\\ \\a_3-a_2=25-19=6,

then the common difference in this sequence is d=6

You have

a_1=13\\ \\d=6,

then the explicit formula is

a_n=a_1+(n-1)d\\ \\a_n=13+(n-1)\cdot 6\\ \\a_n=13+6n-6\\ \\a_n=7+6n

10. Given the sequence

-10,-3, 4, 11, ...

In this sequence,

a_1=-10\\ \\a_2=-3\\ \\a_3=4\\ \\a_4=11\\ \\...

Note that

a_2-a_1=-10-(-3)=-10+3=-7\\ \\a_3-a_2=-3-4=-7\\ \\a_4-a_3=11-4=7,

then the common difference in this sequence is d=7

You have

a_1=-10\\ \\d=7,

then the recursive formula is

a_n=a_{n-1}+d\\ \\a_n=a_{n-1}+7

5 0
3 years ago
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