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3 years ago

Can you please tell me what -4x + 9x is?

Mathematics

2 answers:

Natasha2012 [34]3 years ago

4 0

Answer:

$\boxed{ - 4x +9 x = ( - 4 + 9)x = 5x}\\$

<h3><u>5x</u> is the right answer.</h3>

Luba_88 [7]3 years ago

3 0

Answer = 5x

Explanation: Collect the like terms by calculating the sum or difference of their coefficients which would get you (-4 + 9)x
Then you calculate the sum which gets you 5x

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3 years ago

What is the length of segment TR with T(-4,5) and R(2, -1)

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Answer:

The length of segment TR with T(-4,5) and R(2, -1) is 8.49

Step-by-step explanation:

We need to find the length of segment TR with T(-4,5) and R(2, -1)

The length of segment can be found using distance formula.

The distance formula is: $Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Putting values and finding length

We have: $x_1=-4, y_1=5, x_2=2, y_2=-1$

$Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\Distance = \sqrt{(2-(-4))^2+(-1-5)^2}\\Distance = \sqrt{(2+4)^2+(-1-5)^2}\\Distance = \sqrt{(6)^2+(-6)^2}\\Distance = \sqrt{36+36}\\Distance = \sqrt{72}\\Distance=8.49$

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So, The length of segment TR with T(-4,5) and R(2, -1) is 8.49.

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3 years ago

Can you please tell me what -4x + 9x is? ​

Can you please tell me what -4x + 9x is?