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Tamiku [17]
3 years ago
7

Rationalize the denominator and simplify. √a+1 - 2 / √a+1 + 2

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0

Answer:

5+a-4√a+1 / a-3

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Answer:

1. When amount of schooling increases by one year, the number of pregnancies will decrease by 4.

Step-by-step explanation:

Regression analysis is a statistical technique which is used for forecasting. It determines the relationship between two variables. It determines the relationship of two or more dependent and independent variables. It is widely used in stats to find trend in the data. It helps to predict the values of dependent and independent variables. In the given question, there is regression equation given. X and Y are considered as dependent variables. When number of schooling increases by 1 year then number of pregnancies will decrease by 4

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Does anyone know the area?
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192 cm^{2}

Step-by-step explanation:

We use the same area equation for a rectangle

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3 years ago
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What is the exact distance between points a(-2, 7) and b(6,-5)
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Answer:

14.4222

Step-by-step explanation:

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√(6 – -2)² + (-5 – 7)²

√8² + (-12)²

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I hope this helps

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