Answer:
42
Step-by-step explanation:
I'm pretty sure that this is the answer.
Answer:
A)A reflection can be used to create DBE
B)The Angles are congruent, as the transformation was rigid, which preserves angle measure and side length.
C)All the angles are corresponding to the second figure as well as the sides. (name all the sides and angles that are corresponding)
Ex: ABC=DBE
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-Andrew-OUT!
In order to determine the number of pens present in the container, we need to set up equations from the given in the problem statement. We do as follows:
let x the number of pencils
y the number of pens
From the statement, 9 more pencils then pens in a container,
x = y + 9
From the statement, there are 25 writing utensils in the container in all,
x + y = 25
We use substitution method to calculate for x and y,
y + 9 + y = 25
2y = 16
y = 8
x = 17
Therefore, there are 8 pens in the container and 17 pencils.
Answer:
Area = 81; Side Length = 3
Step-by-step explanation:
The area of a square is the side lenght squared, and 9² is 81.
The side lengh can be found by taking the square root of the area. √9 = 3
