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denis-greek [22]
3 years ago
14

Simplify the following expression:

Mathematics
1 answer:
inysia [295]3 years ago
4 0
If you would like to simplify <span>7x − 4y + 5z − 2x − 10y + z, you can do this using the following steps:

</span><span>7x − 4y + 5z − 2x − 10y + z = 7x - 2x - 4y - 10y + 5z + z = 5x - 14y + 6z
</span>
The correct result would be <span>5x - 14y + 6z.</span>
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un frasco de jugo tiene una capacidad de 3/8 de litro ¿cuantos frascos se pueden llenar con cuatro litros y medio de jugo?
tangare [24]
Tenemos que

la capacidad del frasco es igual a 3/8 de litro
cuatro litros y medio es igual a decir 4 1/2 litros----> (4*2+1)/2----> 9/2 litros

realizamos una regla de tres
 si un frasco tiene capacidad para--------------> 3/8 litros
 X frascos-----------------------------------------> para 9/2 litros
X=(9/2)/(3/8)--------> 72/6-----> 12 frascos

la respuesta es
12 frascos
6 0
3 years ago
Rewrite using the distributive property 6(x + 3)
alekssr [168]

Answer: 6x+18

Step-by-step explanation: Because of the Distributive property, you would multiply the 6 by the’x’ and 3, as they are in the parenthesis.

4 0
3 years ago
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In a hypothesis test, standard error measures ____.
Lina20 [59]

Answer:

The correct answer is:

the amount of difference expected just by chance (b)

Step-by-step explanation:

Standard error in hypothesis testing is a measure of how accurately a sample distribution represents a distribution by using standard deviation. For example in a population, the sample mean deviates from the actual mean, the mean deviation is the standard error of the mean, showing the amount of difference between the sample mean and the actual mean, occurring just by chance. Mathematically standard error is represented as:

standard error = (mean deviation) ÷ √(sample size).

standard error is inversely proportional to sample size. The larger the sample size, the smaller the standard error, and vice versa.

7 0
3 years ago
3/7=8/x solve the proportion
Anna35 [415]
X=3/56 Hope My Answer Helps You (:
5 0
3 years ago
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Housing prices in a certain neighborhood average at $90.05 per square foot. If one house in this neighborhood is 1055 square fee
Gwar [14]
$90.05•1055=95,002.75

so the answer would be B. 95,000
3 0
3 years ago
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