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eduard
3 years ago
11

What are the coordinates of J'?

Mathematics
1 answer:
attashe74 [19]3 years ago
6 0

Answer:

F'(-\frac{10}{3},-\frac{8}{3})

or

F'(-3.33,-2.67)

Step-by-step explanation:

we know that

The coordinates of point F are (-5,-4) (see the figure)

In this problem

A dilation with a scale factor 2/3 about the origin is described using the following notation:

(x,y) ----> (\frac{2}{3}x,\frac{2}{3}y)

so

Applying the rule of the dilation to point F

F(-5,-4) ----> F'(\frac{2}{3}(-5),\frac{2}{3}(-4))

F(-5,-4) ----> F'(-\frac{10}{3},-\frac{8}{3})

F(-5,-4) ----> F'(-3.33,-2.67)

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A square has an area of 144 sq. units. how long is its perimeter?
Arada [10]
Formula for Area of a square:

\boxed {\boxed {\text {Area = Length x Length}}}

Given that the area is 144 unit²:

\text {Length}^2 = 144

\text {Length} = \sqrt{144} = 12 \text { units}

Formula for Perimeter of a square:

\boxed {\boxed {\text {Perimeter = 4 x Length }}}

\text {Perimeter = } 4 \times 12 = 48 \text { units}


\boxed { \boxed { \text {Answer: The perimeter is 48 units.}}}


6 0
2 years ago
An automated assembly line produces 840 units per hour. At the same production rate, how many units could be produced in 45
WARRIOR [948]

Answer:

The 630

Step-by-step explanation:

i took the test on usa test prep

6 0
2 years ago
Evaluate the expression -2cd if a = -8 b = 2 c = -5 d = 6
Elza [17]

Answer:

60

Step-by-step explanation:

Replace c and d with -5 and 6.

-2*-5*6

-2*-5=10

10*6=60

The expression is equal to 60.

-hope it helps

5 0
2 years ago
Help me so i can go eat lunch <3 ( question 2)
LekaFEV [45]
<h3>Answer: Choice B</h3>

Doug borrowed $2 from his friend every day from Monday through Friday. How much money does Doug owe in all?

==============================================================

Explanation:

The notation 5(-2) is the same as saying "5 times negative 2"

The negative represents the amount of debt that Doug goes into when borrowing that $2. When borrowing the same amount over the course of 5 days, he'll be in debt a total of 10 dollars. So we'd write -10 to represent this.

You could also write it out the longer way

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There are five copies of "-2" being added up to arrive at -10

Though it's much simpler to say

5(-2) = -10

8 0
2 years ago
If Sawyer charges $20 per bottle of water and a flat fee of $25 even to discuss a sale, which of the following equations express
tigry1 [53]

Answer:

y =20 x + 25 (answer B in the list of options)

Step-by-step explanation:

y = 25 + 20 x = 20 x + 25

being 25 the flat fee and 20 the price per bottle

3 0
3 years ago
Read 2 more answers
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