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brilliants [131]
3 years ago
6

CAN SOMEONE PLEASEEEE HELP MEEE (please graph it for me) <33

Mathematics
1 answer:
KengaRu [80]3 years ago
5 0

We are given coordinates of the triangle: A(2,2), B(7,1) and C(8,-4).

We need to rotated 90° counterclockwise about the origin.

In order to find the new coordinates of rotatation 90°counterclockwise about the origin, we can apply rule (h, k) ---> (-k,h).

Where (h,k) are the coordinates of original image on axes and (-k,h) are the coordinates of rotated image.

In resulting coordinates of the image first swap the x and y coordinates of the original image and then make the sign opposite of each x-coordinate.

On applying rule (h, k) ---> (-k,h), we get

A(2,2) --> A'(-2,2)

B(7,1) --> B'(-1,7)

C(8,-4) --> C'(4,8)

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The width of a rectangle field is 3h yards and its length is 3 yards longer than the width. The field has a fence around its per
d1i1m1o1n [39]

Answer:

Part a) P=(12h+2)\ yd

Part b) The expression that represent the cost of fencing the field is (336h+56)

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Step-by-step explanation:

<u>The complete question in the attached figure</u>

Part a) we know that

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P=2(L+W)-4

we have

L=(3h+3)\ yd\\W=3h\ yd

substitute the given values

P=2(3h+3+3h)-4

P=2(6h+3)-4\\P=12h+6-4\\P=(12h+2)\ yd

Part b) we know that

To find out the cost of fencing the field (excluding the gate) , multiply the perimeter by the cost of $28 per yard

so

28(12h+2)=336h+56

Part c) we have

h=5

substitute the value of h in the expression of the cost

336(5)+56=\$1,736

8 0
3 years ago
100 POINTS FRESHMAN MATH 1 FUNCTIONS HELP
Anvisha [2.4K]

Answer:

actually which one of thise is th qus in this????

Step-by-step explanation:

please tell

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2 years ago
-14cd-2c²d²+15cd+9c²d²-15cd need help
aliya0001 [1]
Combine like terms.

-14cd + 15cd - 15cd = -14cd
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7c²d² - 14cd is your answer

hope this helps
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3 years ago
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