PLEASE HELP!! EASY MATH FOR ADULTS NOT MIDDLE SCHOOLERS HELP PLS!Alexa is looking at the shape at top. She needs to
make several different figures that are similar to it.
If she uses the scale factor , will the new shape
that she creates be larger or smaller than the
original? Justify your answer.
b. List two different scale factors Alexa could use to make a smaller shape.
C. List two different scale factors Alexa could use to make a larger shape.
Answers
The answers for part [b] and [c] is -
[b] : K = 0.5 and K = 0.7
[c] : K = 2 and K = 3
What is scale factor? How it is used in Dilating coordinates?
Scale factor is used to compare 2 quantities, indicating by how much one quantity is greater than the other. It is denoted by K. Mathematically-
K = a/b.
If a coordinate point (x, y) is dilated by a scale factor of [k], then the coordinate point after dilation will be - (kx, ky).
Given is a trapezium as shown in image.
For scale factor [K] greater than zero, the shape will enlarge while if [K] is less than zero, the shape will shrink.
So -
[b] : K = 0.5 and K = 0.7
[c] : K = 2 and K = 3
Therefore, the answers for part [b] and [c] is -
[b] : K = 0.5 and K = 0.7
[c] : K = 2 and K = 3
To solve more questions on dilation, visit the link below-
#SPJ5
Answer:
B. 0.5 and 0.2
C 2 and 3.2
Step-by-step explanation:
because anything lesser than the standard value of one is smaller.
because anything over the standard value of one is larger.
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distributive property
Step-by-step explanation:
Answers
Answer:
Step-by-step explanation:
Solve 3y + 10.5 = 6.5 + 2.5y.
Add -2.5y to both sides so that the variable remains on one side only. Now isolate the variable by subtracting 10.5 from both sides. Multiply both sides by 10 so that 0.5y becomes 5y, then divide by 5. Check your solution by substituting -8 in for y in the original equation.
18.45_3+h
Answers
Answer: C
Step-by-step explanation:
Answers
Explain fully how you got your answer. Thanks SO much.
Answers
(8 x 10^-7) x (5.45 x 10^9)
to multiply multiply the two numbers together then the 10 powers, and when multiplying powers you simply add the two powers together.
43.6 x 10^(-7 + 9)
43.6 x 10^2
then put this into standard form
4.36 x 10^3 (as standard form allows for only 1 number infront of the decimal place) and to get back to 43.6 x 10^2 you have to multiply by 10 so this = 4.36 x 10 x 10 x 10 =4.36 x 10^3