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fredd [130]
3 years ago
14

Help me = crown :3 tysm

Mathematics
2 answers:
AleksAgata [21]3 years ago
6 0

Answer:

77

Step-by-step explanation:

If you add all the numbers you would get 251 and if you divide that by 3 you get 83.67. So what I did to get a mean of 82 was add those 3 numbers then the individual answer choice. so 72+97+82+77=328. 328/4 is equal to 82

Nastasia [14]3 years ago
3 0

Answer:

B. 77

Step-by-step explanation:

because (72 + 97 + 82 + 77) ÷ 4 = 82

Pls Brailniest! ;) It would mean a lot.

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What is the answer to the question?​
Anuta_ua [19.1K]

Answer:

Given : PQ = RQ

to find : angle B

  • PQ = RQ
  • Angle B = angle QRP ( angle opposite to equal side are equal). ...(1)
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  • angle QRP = 180° - 140°
  • angle QRP = 40°
  • from equation (1)
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4 0
3 years ago
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-5x + 18 = 3x - 38 <br> show steps please need this asap
krek1111 [17]

Answer:

x = 7.

Step-by-step explanation:

-5x + 18 = 3x - 38

18 + 38 = 3x + 5x

56 = 8x

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8 0
3 years ago
A square has an area of 1 square unit. What is the length of the square?
Scrat [10]

Answer:

Approximately 0.25

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2 years ago
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Find the equation of line b described below, in slope-intercept form
Serjik [45]

Given:

Line a is perpendicular to line b .

Line a passes through the points (1,-8) and (9,-12) .

Line b passes through the point (-8, -16).

To find:

The equation of b.

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Line a passes through the points (1,-8) and (9,-12) . So, slope of line a is

m=\dfrac{y_2-y_1}{x_2-x_1}

m_a=\dfrac{-12-(-8)}{9-1}

m_a=\dfrac{-12+8}{8}

m_a=\dfrac{-4}{8}

m_a=-\dfrac{1}{2}

Product of slopes of two perpendicular lines is -1.

m_a\times a_b=-1

-\dfrac{1}{2}\times a_b=-1

b=2

Slope of line b is 2.

If a line passing through a point (x_1,y_1) with slope m, then equation of line is

y-y_1=m(x-x_1)

Line b passing through (-8,-16) with slope 2. So, equation of line b is

y-(-16)=2(x-(-8))

y+16=2(x+8)

y+16=2x+16

Subtract 16  from both sides.

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7 0
3 years ago
Plz help I don’t understand how to find x?
Oliga [24]

Answer:

x = -4

Step-by-step explanation:

First lets add 82 + 55 which equals 137, then 137 +47 which equals 184

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-x + 184 = 180

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Another way to look at it is; 184 minus what equals 180? 4 does, so it translates into -4.

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3 years ago
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