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Fed [463]
3 years ago
13

Triangle QRS is plotted in Quadrant I. After a 180° rotation about the origin, which quadrant would its image be? quadrant I qua

drant II quadrant III quadrant IV

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
8 0
Triangle QRS is plotted in Quadrant I. After a 180° rotation about the origin, which quadrant would its image be? quadrant III
Pavlova-9 [17]3 years ago
8 0

Answer with explanation:

The Vertices of Triangle QRS , is not given.

Coordinates of vertices of Preimage, will be Positive,that is, (x,y),x→Positive, y→Positive

while coordinates of vertices of Image will be Negative that is

x→Negative, y→Negative.

≡If we Rotate the Triangle QRS, which is in Quadrant I ,whatever the coordinates of it's vertices be, if rotated ,either in, 180°, Clockwise or Anticlockwise Direction, it will be in Quadrant III.

⇒Option C

→→ Quadrant III

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Factor the expression below x^2+12+36 A) (x-6)(x-6) B) (x+6)(x+6) C) (x-9)(x-4) D) (x+9)(x+4)
evablogger [386]

Answer:

Answer B

Step-by-step explanation:

when you simplify it u get x^2+12+36

4 0
3 years ago
Isabel found 54 coins at the bottom of her backpack. when she looked, she noticed they were only nickels and dimes. Isabel count
goblinko [34]

She had 23 nickles and 31 dimes

Step-by-step explanation:

The given is:

  • Isabel found 54 coins at the bottom of her backpack
  • She noticed they were only nickels and dimes
  • Isabel counted the coins and they totaled $4.25

We need to find how many nickels and dimes she had

Assume that the number of nickels is x and the number of dimes is y

∵ Isabel had 54 coins

∵ The number of nickels is x

∵ The number of dimes is y

∴ x + y = 54 ⇒ (1)

∵ 1 nickle = 5 cents

∵ 1 dime = 10 cents

∵ The coins totaled $4.25

- Change the dollars to cents

∵ 1 dollar = 100 cents

∴ $4.25 = 4.25 × 100 = 425 cents

- Multiply the number of nickles by 5 and the number of dimes

  by 10, add the two products and equate the sum by 425

∴ 5x + 10y = 425 ⇒ (2)

Now we have a system of equations to solve it

Multiply equation (1) by -10 to eliminate y

∵ -10x - 10y = -540 ⇒ (3)

- Add equations (2) and (3)

∴ -5x = -155

- Divide both sides by -5

∴ x = 23

Substitute the value of x in equation (1) to find y

∵ 23 + y = 54

- Subtract 23 from both sides

∴ y = 31

She had 23 nickles and 31 dimes

Learn more:

You can learn more about the system of equations in brainly.com/question/6075514

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6 0
4 years ago
Solve the following 19+n=30​
Sliva [168]

Answer:

n=11

Step-by-step explanation:

19+n=30

n=30-19

n=11

6 0
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To know if the classmate’s family is actually wealthy, one will need to know their assets and their debt.

<h3>What is an asset?</h3>

In financial accounting, an asset means a resource that is owned or controlled by a business or an economic entity. An asset is anything that can be used to produce positive economic value.

Assets represent the value of ownership that can be converted into cash and the examples of personal financial assets include cash and bank accounts, real estate, personal property like furniture and vehicles, and investments such as stocks, mutual funds, and retirement plans.

In this case, through the assets, one will be able to know that they're wealthy. The debt is an obligation that requires one party, the debtor, to pay money or other agreed-upon value to another party, the creditor. This is the money that they owe.

The asset should more than the debt.

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5 0
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the cost of 3 pints of ice cream is 7 dollars . what is the proportion used to find the cost ,c, of 9 pints of the same ice crea
AlekseyPX

Answer:

21

Step-by-step explanation:

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3 years ago
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