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777dan777 [17]
2 years ago
5

The distance from Elena's chin to the top of her head is 150 mm in an imag

Mathematics
1 answer:
ollegr [7]2 years ago
7 0

The height of the image of the ditance from Elena's chin to her head after it has been scaled 80% 3 times is 76.8 mm

<h3>What is the height of the image after it has been scaled?</h3>

When an image is scaled, it means that its dimensions have been reduced by a certain percentage. In this question, the image is reduced by 80%.

The height of the image after it has been scaled = 150 x 0.8^3 = 76.8 mm

To learn more about scale drawings, please check: brainly.com/question/26388230

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caroline won $250,000 in a lottry. after paying $96,000 in taxes, she placed the remaining amount in a savings account at 2% int
BigorU [14]

Answer:

18,480

Step-by-step explanation:

you would fine how much she put in the bank in the first place!

250,000-96,000=154,000

Then you would do 154,000*0.02 to find how much interest is charged per month.

154,000*0.02=3080

Finally, you would multiply 3080 by 6 {because you need to account for all of the months}.

3080*6=18,480

5 0
3 years ago
What is the solution of log3x + 4125 = 3?
Advocard [28]
Log3 (x) + 4125=3 final answer
8 0
3 years ago
Read 2 more answers
The ordered pair (3,9) is a solution to the system of
nadya68 [22]

Answer:

(2,7) is not a solution to the given system of equations.

Step-by-step explanation:

Given system of equation is:

2x + 3 = y

2x + y = 15

To check whether (2,7) is solution to this system or not, we will put x=2 and y=7 in both equations.

Putting x=2 and y=7 in Eqn 1

2(2) + 3 = 7

4 + 3 = 7

7 = 7

Thus the ordered pair satisfies the equation

Putting x=2 and y=7 in Eqn 2

2(2) + 7 = 15

4 + 7 = 15

11 ≠ 15

The ordered pair do not satisfy the second equation.

Hence,

(2,7) is not a solution to the given system of equations.

8 0
3 years ago
Prove sin^2A + cos^2A = 1
Nady [450]

Step-by-step explanation:

{sin}^{2} A +  {cos}^{2} A  = 1 \\ lhs =  {sin}^{2} A +  {cos}^{2} A  \\  =  {sin}^{2} A +  1 - {sin}^{2} A  \\  = 1 \\  = rhs \\  \therefore \:  {sin}^{2} A +  {cos}^{2} A  = 1 \\

8 0
3 years ago
HELP ME!! SOMEBODY PLEASE HELP ME
IRISSAK [1]
6^2 = x (x - 9)
x^2 - 9x - 36 = 0
(x -12)(x + 3) = 0
x - 12 = 0; x = 12
x +3 = 0; x = -3

so in this case x = 12 then DC = 12 - 9 = 3

y^2 = 12^2 - 6^2
y^2 = 144 - 36
y^2 = 108
y = 10.4
4 0
4 years ago
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