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White raven [17]
3 years ago
10

(Multi-Step Percents)Thomas goes out to eat at a restaurant and orders

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
6 0

Answer:

18.55

Step-by-step explanation:

.

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A survey shows that 45% of the respondents pick option A. Given that 50 people replied, what is the standard error of the propor
QveST [7]
The formula for the standard error is this:
σM = σ / √N

where
σM is the standard error
σ is the standard deviation
N is the number of samples

So,
σM = 0.45 / √50
σM = 0.0636 or 6.36%

The standard error is 0.0636
3 0
3 years ago
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What is the positive solution to the equation 4x^2 + 12x = 135
serg [7]

Answer:

You can't do that is an error if you want to do that you would get it wrong but the only way to do that is 4x2+12x135 which equals 1628

Step-by-step explanation:

I multplyed 4x2 first then 12x135 then added both of them together which gave me 1628

3 0
4 years ago
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A graph titled velocity versus time has horizontal axis time (seconds) and vertical axis velocity (meters per second). A line ha
Oksi-84 [34.3K]

Answer:

the anwser is C

Step-by-step explanation:

i just got it right like 5 seconds ago

4 0
3 years ago
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a trapezoid has an area of 20cm squared and a height of 5 cm. what is the sum of its top and bottom sides
bonufazy [111]
A=\frac{a+b}{2} h
A - area
h - height
a+b - sum of its top and bottom sides

20=\frac{a+b}{2} \cdot 5 \\
4 = \frac{a+b}{2} \\
a+b=8

The sum of its top and bottom sides is 8 cm.
6 0
3 years ago
4. Una fuerza le proporciona a la masa de 8 Kg. una aceleración de 2.2 m/s2. Calcular la magnitud de dicha fuerza en Newton.​
olganol [36]

Answer:

4. Una fuerza le proporciona a la masa de 8 Kg. una aceleración de 2.2 m/s2. Calcular la magnitud de dicha fuerza en Newton.​   means

4. A force gives the 8 kg mass an acceleration of 2.2 m / s2. Calculate the magnitude of this force in Newton.

Step-by-step explanation:

hope this was helpful.

6 0
3 years ago
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