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julia-pushkina [17]
3 years ago
12

A triangle is rotated 90° about the origin. Which rule describes the transformation?

Mathematics
1 answer:
ad-work [718]3 years ago
3 0

Answer:

(x,y)(-y,x)

Step-by-step explanation:

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REY [17]

Answer:

8 x^ 4  +  x^ 3  −  4x^2  +  1

Step-by-step explanation:

7 0
3 years ago
Work the following financial transactions. Your station charges $15.95 for an oil change. As a promotion you sell six coupons fo
Galina-37 [17]

Answer:

Discount percentage is 16.4% for the customers who purchase 6- coupon book .

Step-by-step explanation:

Formula

Discount\ percentage = \frac{Discount\times 100}{Original charge of the oil change for 6 times}

As given

Your station charges $15.95 for an oil change.

Original charge of the oil change for 6 times = 6 × Original charge for oil change .

                                                                          = 6 × 15.95

                                                                          = $ 95.7

As a promotion you sell six coupons for oil changes for $80.

Discount = Original charge of the oil change for 6 times - Charge by six coupons for oil changes .

               = $95.7 - $80

               = $ 15.7

Putting all the values in the above

Discount\ percentage = \frac{15.7\times 100}{95.7}

Discount\ percentage = \frac{15700\times 10}{957\times 10}

Discount\ percentage = \frac{15700}{957}

Discount percentage = 16.4%

Therefore the discount percentage is 16.4% for the customers who purchase 6- coupon book .

6 0
3 years ago
Read 2 more answers
PLEASE HELP QUICKLY
iren [92.7K]

Answer:

The exponents of a start at n and decrease until they reach 0 . The exponents of b start at 0 and increase until they reach n

Step-by-step explanation:

The general formula for (a+b)^n is:

a^n + C_1a^{n-1}b + C_2a^{n-2}b^2 + ... + C_{n-1}a^2b^{n-2} + C_nab^{n-1} + b^n

Therefore, the exponents of a start at n and decrease until they reach 0 . The exponents of b start at 0 and increase until they reach n

7 0
3 years ago
Hello can anyone help me ? here the question
lesantik [10]

Answer:

A. 1/5k - 2/3j and -2/3j +1/5k

Step-by-step explanation:

A. 1/5k - 2/3j and -2/3j +1/5k

B. 1/5k - 2/3j and -1/5k +2/3j

There is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

Not equivalent

C. 1/5k - 2/3j and 1/5j - 2/3k

There is a change in the variables

1/5k changed to 1/5j

-2/3j changed to -2/3k

D. 1/5k - 2/3j and 2/3j - 1/5k

The is a change in the signs of each term

1/5k changed to -1/5k

-2/3j changed to +2/3j

The only equivalent expression is

A. 1/5k - 2/3j and -2/3j +1/5k

3 0
3 years ago
$400 invested at 2% compounded quarterly after a period of 2 years
Anna71 [15]
Final balance = $416.28
total compound interest= $16.28
7 0
3 years ago
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