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daser333 [38]
4 years ago
9

Explain why you would make one of the addends a tens number when solving an addition problem

Mathematics
1 answer:
Lyrx [107]4 years ago
3 0
It is showing you how to be
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Will give brainliest:)<br><br>-2x-¼(12x-8)​
katrin2010 [14]

answer

Answer:

here you go

Step-by-step explanation:

-5x+2

8 0
3 years ago
Triangle XYZ has been enlarged and P as the center of dilation and scale to form a triangle X’ Y’ Z’
Maksim231197 [3]

Distances from the center of dilation are multiplied by the dilation factor. The appropriate choice is ...

... A. X'P/XP = Y'P/YP = Z'P/ZP

_____

We don't know what selection B means in this context.

Selection C will only be true if the dilation is by a factor of 2.

Selection D will only be true if P is the center of the circumscribing circle for both X'Y'Z' and XYZ.

6 0
4 years ago
Find the standard deviation of the data, 12, 19, 9.
jek_recluse [69]

Answer:

4.19

Step-by-step explanation:

Find the mean:

\text{Mean}=\frac{12+19+9}{3}=\frac{40}{3}

Find the standard deviation:

\text{Standard Deviation}=\sqrt{\frac{(12-\frac{40}{3})^2+(19-\frac{40}{3})^2+(9-\frac{40}{3})^2}{3}}=\sqrt{\frac{158}{9}}\approx4.19

4 0
3 years ago
What is the equation of a line with a slope of -4 and a point (-2, 5) on the line?
mihalych1998 [28]
Y=-4x -3.......................

4 0
3 years ago
For the function F defined by F(x)=x2−2x+4, find F(|−4|)
erastova [34]

By definition and properties of the <em>absolute</em> value used on the <em>quadratic</em> equation we conclude that F(|- 4|) = 12.

<h3>How to evaluate a quadratic equation with an absolute value</h3>

Herein we must apply the definition of <em>absolute</em> value prior to evaluating the quadratic equation defined in the statement. From algebra we know that absolute values are defined as:

|x| = x, when x ≥ 0 or - x, when x < 0. (1)

Then, we apply (1) on the quadratic equation:

F(|x|) = |x|² - 2 · |x| + 4

As x < 0, by <em>absolute value</em> properties:

F(|x|) = x² + 2 · x + 4

F(|- 4|) = (- 4)² + 2 · (- 4) + 4

F(|- 4|) = 16 - 8 + 4

F(|- 4|) = 12

By definition and properties of the <em>absolute</em> value used on the <em>quadratic</em> equation we conclude that F(|- 4|) = 12.

To learn more on absolute values: brainly.com/question/1301718

#SPJ1

3 0
2 years ago
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