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icang [17]
3 years ago
14

PLEASE HELP!!! WILL GIVE BRAINLEST AWARD FOR MOST DESCRIPTIVE

Mathematics
1 answer:
Rashid [163]3 years ago
3 0
The law of cosines states that:

c^2=a^2+b^2-2abcosC

You already have all the values for the variables with the exception of x so:

x^2=25+100-100cos60

x=√(125-100cos60)

x=√75

x≈8.66 to nearest one-hundredth...
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Which of the following transformations fit the definition of isometry?
Gennadij [26K]

Answer: Rotations, reflections, translations (A, C, and E)

Imagine you had a camera aimed at a triangular figure on a piece of paper. If you rotate the camera, then the image of the triangle appears to rotate. In reality it's the other way around. What this means is that the triangle is not changing at all. It keeps the same size, shape, area, perimeter, etc. This applies to when the camera pans left or right, ie shifts from side to side. The triangle will translate but again the triangle isn't changing at all. It's merely an illusion. Reflections are the same way. Imagine having a piece of glass or a mirror that reflects the image which is an identical copy; although everything is flipped.

Dilations are not isometries because the image is a different size then the pre-image. The same shape is maintained though. Note: the scale factor must be some number other than 1.

another note: "isometry" breaks down into "iso+metry" with "iso" meaning "same" or "equal", and "metry" meaning "measure". So if you had 2 identical yard sticks, then they are isometrical or equal in length.

4 0
3 years ago
How do you simplify this?????
kap26 [50]
You have to break up 384 into numbers that can be taken out to the radical.

You can break up 384 into 2^3*2^3*6.

Since two 2’s can be taken you would have 4 on the outside and a 6 and x^4 left on the inside.

x^3 can be taken out, leaving an x inside the radical.

The final answer would be 4x on the outside and 6x left under the cubed radical

5 0
3 years ago
Help meee please !!!
Molodets [167]
Shh shah ahahaiaia suasion
7 0
3 years ago
Read 2 more answers
Omar is painting a 24-square-foot wall.
weqwewe [10]
96 squares

(wall area)/(square area) = (24 ft²)/(1/4 ft²) = 24×4 = 96 . . . . squares
8 0
3 years ago
Read 2 more answers
We are standing on the top of a 896 feet tall building and launch a small object upward. The object's
ss7ja [257]
H(t)=-16t+160t+896
Use -b/2a
a=-16
b=160
c=896
t= -160/2(-16) = 5 sec
It will reach it’s highest point at 5 seconds
= -16(5)^2 +160 (5) + 896
= 1296

The Answer is
1296ft
6 0
3 years ago
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