Here is a figure that looks like the letter A, along with several other figures. Which figures are scaled copies of the original A? Explain how you know.Answer here

Answers

Answer 1
Answer:

The figures that are scaled copies of the original figure A include the following: B. 2 and 4.

What is dilation?

A dilation is a type of transformation that is used for altering the dimensions of a geometric figure, but not its shape.

In Mathematics, the following rules are applied to interpret and understand the dilation of a geometric figure:

  • A geometric figure is enlarged when the scale factor is greater than 1.
  • A geometric figure remains the same when the scale factor is equal to 1.
  • A geometric figure is reduced when the scale factor is less than 1.

In this context, we can logically deduce that the scaled copies of the original figure A are figure 2 and figure 4 because dilation preserves angle measures and the direction that the shape faces.

Read more on dilation here: brainly.com/question/11812796

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Complete Question:

Here is a figure that looks like the letter A, along with several other figures. Which figures are scaled copies of the original A?

2 and 3

2 and 4

1 and 4

1 and 3

Answer 2
Answer:

Answer:

i think 2 and 4

Step-by-step explanation:


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Sonia uses a gift card to purchase a $5.87 gourmet coffee each week. Find the total change in the gift card balance after 3 weeks.

Answers

Based on the available information, and options in the question, the total change in the gift card balance after 3 weeks is option A. -$17.61

What is Evaluation in Mathematics?

Evaluation in Mathematics is a method that is used to find the value of the expression when the variable is replaced by a given number.

In this case, to find the total change in the gift card balance after 3 weeks, calculate the total amount spent on gourmet coffee during this period.

Given that Sonia purchases a $5.87 gourmet coffee each week the total amount spent on coffee after 3 weeks can be calculated as follows:

Total amount spent = cost per coffee * number of weeks

= $5.87 * 3

= $17.61

Therefore, Sonia will have spent a total of $17.61 on gourmet coffee after 3 weeks, which will be $-17.61 of the top change in the gift card.

Hence, in this case, it is concluded that the correct answer is option A. -$17.61

Learn more about Evaluation in Mathematics here: brainly.com/question/4344214

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Full Options

A. -$17.61

B. $1.96

C. $18.61

D. $8.97

Answer:

$17.61

Step-by-step explanation:

5.87 x 3= $17.61 because it is each week

61+r=122 so what is r please help quickly​

Answers

Answer:

it's 61+61

Step-by-step explanation:

i hope this helps

Write 5 three-digit numbers from left to right, the tens digit in your numbers should go up by 1.​

Answers

5 10 15 20 25 30




10 20 30 40 50 60
110 120 130 140 150



150 160 170 180 190

I have a 1.5% chance of winning when spinning a roulette. Approximately how many times would I have to spin the roulette to win?

Answers

Answer:

66-67 times

Step-by-step explanation:

i would go with 67

you just divide 1.5 by a 100

Find the simultaneous equation x-2y=1,y^2-3xy+8=0​

Answers

Answer:

  (-2.2, -1.6), (3, 1)

Step-by-step explanation:

You don't have to go far to find the equations. They are right there in your problem statement. Perhaps you want to find the solutions to the equations.

Use the first equation to write an expression for x, then substitute that into the second equation:

  x = 2y +1

  y^2 -3(2y+1)(y) +8 = 0

  -5y^2 -3y +8 = 0

  -(5y +8)(y -1) = 0

  y = -8/5   or   y = 1

The corresponding values of x are ...

  x = 2(-8/5)+1 = -11/5

  x = 2(1) +1 = 3

The solutions are (x, y) = (-2.2, -1.6) and (3, 1).

The sphere at the right fits snugly inside a cube with 4-in. edges. What is the approximate volume of the space between the sphere and cube?

Answers

As given by the question

There are given that the inside edge is 4 in.

Now,

Since sphere fits snugly inside a cube therefore diameter of sphere will be equal to side of the cube

So,

\begin{gathered} \text{diameter}=4\text{ inches} \n \text{radius}=(dameter)/(2) \n \text{radius}=(4)/(2) \n \text{radius}=2 \end{gathered}

Then,

Volume of the sphere is given by:

\begin{gathered} (4)/(3)*\pi* r^3=(4)/(3)*3.14*2^3 \n =(4)/(3)*3.14*8 \n =33.5 \end{gathered}

And,

The volume of a cube is:

\begin{gathered} \text{Volume of cube=side}* side* side \n =4*4*4 \n =64\text{ inches} \end{gathered}

Then,

The volume of the space between the sphere and cube = 64-33.5 = 30.5.

Hence, the answer is 30.5 cube inches.