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3 years ago

Name 3 rays in this geometric construction E A D B Your answer

Mathematics

1 answer:

almond37 [142]3 years ago

5 0

Do you have a picture or anything that you could show us?

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Simplify (15x+25)-(8x-15)

Harrizon [31]

7x+40... If you go to mathwarehouse.com you can type your question in and you'll get an answer in less than a second

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3 years ago

Read 2 more answers

Simplify completely x^2+4x-45 / x^2+10x+9

S_A_V [24]

Answer: x - 5/x + 1

Step-by-step explanation:

This algebraic fraction

The task to be performed here is factorisation and simplification. Now going by the question,

x² + 4x - 45/x² + 10x + 9, the factorisation of

x² + 4x - 45 = x² + 9x - 5x - 45

= x(x + 9 ) - 5(x + 9 )

= ( x + 9 )(x - 5 ), don't forget this is the algebraic fraction's Numerator

The second part

x² + 10x + 9 = x² + x + 9x + 9

= x(x + 1) + 9( x + 1 )

= ( x + 9 )( x + 1 ), this is the algebraic denominator.

Now place the second expression which is the denominator under the first expression which is the numerator.

( x + 9 )( x - 5 )/( x + 9 )( x + 1 ).

You can see that, ( x + 9 )/( x + 9 ) divide each other , therefore therr then cancelled and left with

x - 5/x + 1

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3 years ago

Write the place vslue of 7in 67,689

Tems11 [23]

The value of 7 can be wrote as

7,000 or seven thousand

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3 years ago

What is the list price 45 off 1/4

Vlad1618 [11]

34 is your answer hope it helps

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3 years ago

A) choose the linear model that passes through the most data points on the scatterplot.

irina1246 [14]

Answer: b

Explanation:
The line of best fit to a scattergram is obtained in linear regression analysis by minimizing the sum of the squared errors.
For example, in the diagram shown below, there are n data points in the scattergram.
The error for the i-th data point is $e_{i}$ .
The coefficients (a and b) for the line of best fit are determined using calculus, to minimize $\sum_{i=1}^{n} e_{i}^{2}$ .

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3 years ago