Right triangle ABC is reflected over AC, then dilated by a scale factor 2/3 to form triangle DEC. Which statements about the two triangles must be true? Select three options.

Answer:

The answer is "all angle will be same"

Step-by-step explanation:

In the given question choices were missing so, the correct choice can be defined as follows:

Given:

ABC reflected over AC and dilated by a scale factor 2/3 from ΔDEC.

Solution:

\(\triangle ABC \sim \triangle DEC \angle B \cong \angle E3DE = 2AB\)

Answer: A, B, D

Step-by-step explanation: Edge2023

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A team of scientists records temperatures in Antarctica at different weather stations over a period of time. The scatter plot shows he observed temperatures, in degrees, and time, in hours. What would scientists expect the temperature to be after 10 hours?
A. -60°C
B. -65°C
C. -70°C
D. -75°C

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Does a proportional relationship occur for addition and subtraction or only for multiplication and division?

Ordering the points by their coordinate values, from least to greatest, spells,

Graph the points (0, -2), (4, 0) and (2, 0). If you want to create a parallelogram, which of the following points should be used for the fourth point?
A. (2, -2)
B. (-1, 0)
C. (-4, 0)
D. (4, 4)

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Which system of equations has a solution of (–3, –1)? NO LINKS OR SAYINGS
A: y = –3x – 10
y = x + 4

B: y = –3x – 1
y = –x – 3

C:y = 2x – 1
y = 5x + 2

D:
y = 2x + 5
y = 5x + 14

I just have one more question what is the answer to this one?

Which linear equation represents a proportion relationship?

A) y = x + 2

B) y = 3x + 0.2

C) y = -0.3x

D) y = 3x + 4

Men and women (ages 22–40) were surveyed to choose a favorite free-time activity: playing sports, dancing, or watching movies/TV.

The survey showed the following frequencies:
Men—playing sports: 11; dancing: 3; watching movies/TV: 6
Women—playing sports: 5; dancing: 16; watching movies/TV: 9

Which of the following is a correct two-way frequency table for the data?


Men and Women Leisure Time Activity Preferences
Playing Sports Dancing Watching movies/TV Row totals
Men 0.22 0.06 0.12 0.12
Women 0.10 0.32 0.18 0.60
Column totals 0.32 0.38 0.30 1

Men and Women Leisure Time Activity Preferences
Playing Sports Dancing Watching movies/TV Row totals
Men 11 3 6 20
Women 5 16 9 30
Column totals 16 19 15 50

Men and Women Leisure Time Activity Preferences
Playing Sports Dancing Watching movies/TV Row totals
Men 0.55 0.15 0.30 1
Women 0.17 0.53 0.30 1
Column totals 0.32 0.38 0.30 1

Men and Women Leisure Time Activity Preferences
Playing Sports Dancing Watching movies/TV Row totals
Men 0.69 0.16 0.40 0.40
Women 0.31 0.84 0.60 0.60
Column totals 1 1 1 1

The box plots shown represent the average mileage of two different types of cars. Use the box plots to compare the data sets.

Drag each value to show if it is greater for SUVs, greater for sedans, or if there is not enough information to tell.

Solve from the image below

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Find the solution set of the inequality.
10c + 5 ≤ 45

Which table represents a nonlinear function?

Find d, the depth of the water

A computer manufacturer sells his products at 40% higher then it costs to make. what is the selling price of the computer given the cost to make it?
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what is the circumference if the diameter is 18 in

Find the volume of the prism.

Milo can run 12 miles in 60 minutes. He needs to reduce his time by 14%. Approximately how many minutes does he have to take off his time? Round to the nearest whole number.

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(- 1 1/2 +3) + 1 1/4
Solve the equation.

4) Necolai reported his weekly earning for the first four weeks as $87, $105, and $125.

A) How much does he have to earn in the fifth week to achieve an average of $130 per
week? Show and explain all of your work.

B) After five weeks of his earning, he has to pay 28% in taxes. How much were the
taxes? How much of his total pay does he have left after taxes? Show and explain all
of your work.


ANSWER BOTH QUESTIONS QUESTION A AND QUESTION B.

Create an equivalent expression for 12 ^ −7 • 12 ^ 5


-12 ^ 2

12 ^ 2

1 / (12 ^ -2)

1 / (12 ^ 2)

2. Which expression can be represented by the model?

Show your mathematical thinking. Circle the work that proves the answer
you chose is correct.

A label is placed around a soup can during manufacturing. If the label is represented by the rectangle in the figure, how many square inches is the label? Answer in terms of π.

image of a net drawing of a cylinder is shown as two circles each with a radius labeled 4 inches and a rectangle with a height labeled 7.8 inches

94.4π square inches
32π square inches
30.1π square inches
62.4π square inche

A cube has a base of 9 in2 and height of 12 inches.
Part A
What is the surface area, in square inches, of the cube?
a. 54 in2
b. 81 in2
c. 144 in2
d. 72 in2

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Which line has the steepest slope? What would the value of y equal, if x = -2 for Line A
A) Line A; y = 7
B) Line A; y = 19
C) Line B; y = 7
D) Line B; y = 19
E) Not Given