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Elza [17]
3 years ago
5

Help noe pls i said plss

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0

Answer:

49/12

Step-by-step explanation:

<h2>Order of Operations:</h2>

PEMDAS

P -Parentheses

E -Exponents

M -Multiplication

D -Division

A -Addition

S -Subtraction

4\frac{3}{5} = (4X5)+3/5

    = \frac{23}{5}

\frac{23/5 +15 }{5-1/5}

= \frac{23 + 15x5}{5} ÷ \frac{5x5 -1}{5}

= <u>23+75</u>  ÷ <u>25- 1</u>

      5            5

= 98/5 ÷  24/5 (ontaking reciprocals,)

= 98/5 x 5/24

= 98/24

= 49/12

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g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers
wolverine [178]

Answer:

1006

Step-by-step explanation:

Take proportion, p = 62%

n = (Z² * pq) / M.E²

Margin error = 0.03

p = 62% = 0.62

q = 1 - p = 1 - 0.62 = 0.38

Zcritical at 95% = 1.96

n = (1.96² * (0.62*0.38)) / 0.03²

n = 0.90508096 / 0.0009

n = 1005.6455

n = 1006

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5 0
3 years ago
Solve for k:<br><br> k + 6 &gt; -20
FrozenT [24]

Answer:

k > -26

Step-by-step explanation:

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4 0
4 years ago
Read 2 more answers
What is the slope of the line that is perpendicular to the line that passes through (-2, 7) and (4, 9)? Type a numerical answer
kodGreya [7K]

Answer:

Therefore m_{2} = -3.

Step-by-step explanation:

i) let us say the slope of the line passing through (-2,7) and (4,9) is m_{1}.

ii) to find the slope of the line passing through two points (x_{1}, y_{1}) and (x_{2},y_{2}) we use the formula m = \dfrac{y_{2} - y_{1} }{x_{2}  - x_{1} }. Therefore we can say that  m_{1} = \dfrac{9 - 7}{4 - (-2)} = \dfrac{1}{3}.

iii) let us say the slope of the perpendicular line to the line  passing through (-2,7) and (4,9) is m_{2}

iv) from the formula for the slopes of a line and the line perpendicular to it which is given by m_{1} × m_{2} = -1, therefore m_{2} = -1 ÷  m_{1} = -3. Therefore m_{2} = -3

6 0
4 years ago
Does anyone know the answers to these blank questions?
Bas_tet [7]

Answer:

h = 21

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4 0
2 years ago
If x is directly proportional to to y and x= 200 and y=3 find x when y=5​
Amiraneli [1.4K]

Answer:

333.33

Step-by-step explanation:

x is directly proportional to y

k=y/x

k=3/200

now,

when y =5

y=kx

5=(3/200)x

1000/3=x

333.33 = x

3 0
2 years ago
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