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hjlf
3 years ago
15

Is the following a reflection, rotation or translation?

Mathematics
1 answer:
kow [346]3 years ago
7 0
This is a translation
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Please help me !!!!!!!!!!
maria [59]

Answer:

EF=6

Step-by-step explanation:

In this problem, one is given a circle with two secants (that is a line that intersects a circle at two points). One is given certain measurements, the problem asks one to find the unknown measurements.

The product of the lengths theorem gives a ratio between the lengths in the secants. Call the part of the secant that is inside the circle (inside), and the part of the secant between the exterior of the circle and the point of intersection of the secants (outside). The sum of (inside) and (outside) make up the entire secant, call this measurement (total). Remember, there are two secants, (secant_1) and (secant_2) in this situation. With these naming in mind, one can state the product of the length ratio as the following:

\frac{total_1}{outside_2}=\frac{total_2}{outside_1}

Alternatively, one can state it like the following ratio:

\frac{inside_1+ouside_1}{outside_2}=\frac{inside_2+outside_2}{outside_1}

Apply this ratio to the given problem, substitute the lengths of the sides of the secants in and solve for the unknown.

\frac{EF+FG}{HG}=\frac{SH+HG}{FG}

\frac{2x+4}{5}=\frac{x+5}{4}

Cross products, multiply the numerator and denominators of opposite sides of the fraction together,

\frac{2x+4}{5}=\frac{x+5}{4}

4(2x+4)=5(x+5)

Simplify,

4(2x+4)=5(x+5)

8x+16=5x+25

Inverse operations,

8x+16=5x+25

3x+16=25\\3x=9\\x=3

Substitute this value into the equation given for the measure of (EF),

EF=2x\\x=3\\\\EF=2x\\=2(3)\\=6

6 0
3 years ago
hey certain cars value is said to depreciate by approximately 15% each year for the first eight years of the car originally cost
soldi70 [24.7K]

Answer:0.0625

Step-by-step explanation:

7 0
4 years ago
Mikayla is thinking of a number. She says that the sum of a number and 5, multiplied by 3/4, is equal to 12. What are 2 equation
NeTakaya

Answer: I did this before and i this before i did b and got it correct

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the derivative of x^2+6x+9 at the point (2,6).
Pachacha [2.7K]
The derivative of the function is 2x+6.
At the particular point (2,6), plug in the x coordinate for x.
2(2)+6 = 10

Hope this helps :)

4 0
4 years ago
The Toblerone company packages chocolate candy in a container that is a triangular prism. The base is an
dolphi86 [110]

Answer:

76017.69 mm²

631000 mm³

295045.04 mm³

Step-by-step explanation:

Surface area = bh + 2ls + lb

Since the sides of the triangular prism are equal (equilateral triangle) = 60 mm each

Height = 405 mm

The surface area of triangular = 76017.69 mm

The volume of triangular prism :

1/2 * base * height * length

Volume = 631000 mm³

If amount of chocolate inside = 335954.96 mm3

Empty space =

Volume of triangular prism - amount of chocolate inside

631000 - 335954.96

= 295045.04 mm³

8 0
3 years ago
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