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zhannawk [14.2K]
3 years ago
14

Factor. 4x^2 - 20xy + 25y^2

Mathematics
1 answer:
miss Akunina [59]3 years ago
5 0

Answer:

(2x-5y)^2

Step-by-step explanation:

4x^2 - 20xy + 25y^2=

(2x) ^2 - 2(2x)(5y)+(5y)^2 =(*)

(2x-5y)^2

(*) A^2 - 2AB+B^2 =(A-B)^2

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Answer:

C

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Which functions are symmetric with respect to the y axis<br>​
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Answer:

A, B, and D

Step-by-step explanation:

Only the functions that have x by itself between the absolute value signs (A, B, and D) are symmetric with respect to the y-axis .

Placing a constant outside the absolute value signs moves the function up or down the y-axis but retains the symmetry.

Adding a constant inside the absolute value signs (as in C and E) moves the axis of symmetry to the left or right of the y-axis.

In the diagram, both A and B are symmetric with respect to the y-axis, but C has been shifted three units to the left.

4 0
3 years ago
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. What is the area o
just olya [345]

Answer:

The area of triangle is 8 \frac{1}{3}\ m^{2}

Step-by-step explanation:

we know that

The area of a triangle is equal to

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we have

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convert to an improper fraction

8 1/3 m=(8*3+1)/3=25/3 m

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so

h=2 m

substitute

A=(1/2)(25/3)2=25/3\ m^{2}

convert to mixed number

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3 years ago
Select the choice that translates the following verbal phrase correctly to algebra:
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" the product " means multiply

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