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3 years ago

Part 2: Write a rule to describe each transformationNO LINKS! NO ASSESSMENT!

Mathematics

2 answers:

NikAS [45]3 years ago

5 0

Answer:

(x, y) → (x, -y)

Step-by-step explanation:

We can see each corresponding point of the figures is mirrored over x- axis.

This is a reflection and the rule is:

(x, y) → (x, -y)

musickatia [10]3 years ago

3 0

Answer:

(x,y) => (x, -y)

Step-by-step explanation:

U in -x, y -> U' in -x, -y

(transformation : x to x and y to -y)

T in -x, -y -> T' in -x, y

(transformation : -x to -x (stand) and -y to y)

V in -x, y -> V' in -x, -y

(transformation : -x to -x (stand) and y to -y)

So The Rule is :

(x,y) => (x, -y)

#LearnWithEXO

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A parabola can be represented by the equation x2 = -20y.

aliya0001 [1]

Answer:

$\mathrm{Parabola\:focus\:given}\:x^2=-20y:\quad \left(0,\:-5\right)$

Step-by-step explanation:

Given the equation

$x2 = -20y$

A parabola is the locus of points such that the distance to a point the focus equals the distance to a line the directrix.

$4p\left(y-k\right)=\left(x-h\right)^2$ is the standard equation for an up-down facing parabola with vertex at (h, k), and a focal length |p|.

$x^2=-20y$

$\mathrm{Switch\:sides}$

$-20y=x^2$

$\mathrm{Factor\:}4$

$4\cdot \frac{-20}{4}y=x^2$

$4\left(-5\right)y=x^2$

$\mathrm{Rewrite\:as}$

$4\left(-5\right)\left(y-0\right)=\left(x-0\right)^2$

$\left(h,\:k\right)=\left(0,\:0\right),\:p=-5$

Parabola is symmetric around the y-axis and so the focus lies a distance\ p from the center (0, 0) along the y-axis.

$\left(0,\:0+p\right)$

$=\left(0,\:0+\left(-5\right)\right)$

$\mathrm{Refine}$

$\left(0,\:-5\right)$

Therefore,

$\mathrm{Parabola\:focus\:given}\:x^2=-20y:\quad \left(0,\:-5\right)$

Please check the attached figure too.

6 0

3 years ago

Read 2 more answers

DF and GI are parallel lines. Which angles are alternate interior angles?

elena-s [515]

Answer:

your answer is no. d . Because of alternate <

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3 years ago

A pair of in-line skates is on sale for $90. If this price represents a 9% discount from the original price. what is the origina

Nat2105 [25]

$98.90 is the correct answer

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3 years ago

Kylie owes $1,700 on her credit card. The bank charges a monthly interest rate of 0.925%. If Kylie wants to pay off her credit c

aksik [14]

Answer:

$221.44

Step-by-step explanation:

As the bank charges a monthly interest, we cannot calculate a simple or compound interest over the 8 month period. As the balance will decrease each month as Kylie makes payments, the interest applied each month will also decrease. Therefore, we have to use:

Monthly Payment Formula

$\sf PMT=\dfrac{Pi(1+i)^n}{(1+i)^n-1}$

where:

PMT = monthly payment
P = loan amount
i = interest rate per month (in decimal form)
n = term of the loan (in months)

Given:

P = $1,700
i = 0.925% = 0.00925
n = 8 months

Substituting the given values into the formula and solving:

$\implies \sf PMT=\dfrac{1700(0.00925)(1+0.00925)^8}{(1+0.00925)^8-1}=221.4403207$

Therefore, the monthly payment to the nearest dollar will be $221.44

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2 years ago

Carlotta collects stamps. She owns f stamps from France and 15 more than twice this amount of American stamps. Which expression

Digiron [165]

Answer:

D: 2f+15

Step-by-step explanation:

f is the number of stamps from France that Carlotta owns.

Twice this amount is 2f

Then, 15 more than twice this amount is 2f + 15, and this is the expression that represents the number of American stamps that Carlotta owns

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4 years ago

Part 2: Write a rule to describe each transformationNO LINKS! NO ASSESSMENT! ​

Part 2: Write a rule to describe each transformationNO LINKS! NO ASSESSMENT!