A glacier advanced 12 feet during a 16-day period in January. The same glacier advanced 18 feet during a 24-day period in February. Are the ratios of feet to days proportional for these two periods of time? explain in two sentences how you got your anwser
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1+[2x-3 (1.8divided by0.2)]
X is not multiply
A: 2x-26
B:2x+28
C:3x-27
D:-7x+1
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1+2x-27 9*3= 27
1-27+2x You would combine like terms here
2x-26
If you have doubts...check out the questions I've answered... :P
B) translated along a line
C) rotated about a point
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Reflectional symmetry is the quality a design has if it maintains all characteristics when it is (blank) lying in its plane Option: A) rotated about an axis.
What is reflectional symmetry?
Consider a plane. Consider a design or shape on that plane. Now consider an axis.
If we think of that axis as a mirror, and on the opposite side of that axis create the image of the considered shape, then if the shape's image looks exactly as the shape itself, then that shape is called to have a reflectional symmetry.
Instead of that mirror intuition, we can also think that we sort of rotated that image about that considered axis, and after half rotation, the figure is again onto its plane. If that rotated figure looks alike to the initial figure, then that figure has rotational symmetry.
Thus, reflectional symmetry is the quality a design has if it maintains all characteristics when it is (blank) lying in its plane Option: A) rotated about an axis.
Learn more about symmetry here:
Answer:
Rotated about an axis
Step-by-step explanation:
APEX
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assume a and b=0 because 0 times x=0
17(x+5)=0
17 is not equal to zero
therefor
x+5=0
minus 5
x=-5
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For this case we have that by definition, the area of a square is given by:
Where:
l: It's the side of the square
We have as data that:
So:
We cleared l, applying root to both sides:
We choose the positive value of the root:
So, the side of the square is:
The perimeter is given by:
Answer:
Answer:
Side length = 8xy^2
Perimeter = 32xy^2.
Step-by-step explanation:
As it's a square the side length is the square root of the area
= √ (64x^2y^4)
= 8xy^2.
The perimeter is 4 times this.
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Answer:
1 = 35
2 = 55
Step-by-step explanation:
so we know that between 1 and 2 it is 90 degrees we also know that angle 1 and the angel to the left of it make 180 degrees so do
180 - 90 = 90
this means the angle next to line 1 is also 90 degrees
then we would see that the 55 degrees the 90 degrees and angle 1 make 180 degrees so do
55 + 90 = 145
180 - 145 = 35 degrees so angle 1 is 35 degrees
then we would find angle 2
90 - 35 = 55 degrees so angle 2 = 55
hope this helps : )
Answer:
see explanation
Step-by-step explanation:
(6)
55° and ∠2 are vertical angles and congruent, hence
∠2 = 55°
∠1 and ∠2 are complementary angles ( They form a right angle )
∠1 = 90° - 55° = 35°
(7)
132° and ∠2 are alternate angles and congruent, hence
∠2 = 132°
∠1 and ∠2 are supplementary ( straight angle )
∠1 = 180° - 132° = 48°