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3 years ago

15

What’s the area of this rounded to the nearest one’s place?

2 answers:

Elodia [21]3 years ago

7 0

Answer:

503

Step-by-step explanation:

To find the area of a cirlce it is pi x 2 x the radius squared.

Since,this is a semi-circle you dived by 2 afterwards.

So $\pi x 160 x 2 /2$ is 502.857142857

Round that to the nearest one that is 503 ft squared.

Shkiper50 [21]3 years ago

5 0

Answer:

I think I might be terribly wrong but 160,728 ft

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

ΔCAR has coordinates C (2, 4), A (1, 1), and R (3, 0). A translation maps point C to C' (3, 2). Find the coordinates of A' and R

shutvik [7]

Answer:

$A'= (2,-1)$ and $R'=(4,-2)$ under this translation.

Step-by-step explanation:

A translation in $R^{2}$ is a mapping T from $R^{2}$ to $R^{2}$ defined by $T(x,y) = (x + v_1,y+v_2)$ , where $v=(v_1,v_2)$ is a fixed vector in $R^{2}$ .

From the problem we know that $T(2,4)=(3,2)$ , so we need to find the values $v_1$ and $v_2$ such that $T(2,4) = (2 + v_1,4+v_2)=(3,2)$ , so $3=2 + v_1$ and $4+v_2=2$ , thus $v_1=1$ and $v_2=2$ .

Then $T(x,y) = (x + 1,y-2)$ and

$T(1,1)=(1+1,1-2)=(2,-1)=A'$

$T(3,0)=(3+1,0-2)=(4,-2)=R'$

Therefore $A'= (2,-1)$ and $R'=(4,-2)$ . The triangles CAR and C'Q'R' are shown in the figure below.

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3 years ago

Find thevmissing value. please

11Alexandr11 [23.1K]

Answers are
y=69°
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3 years ago

How many square feet of outdoor carpet will we need for this hole? 12ft , 2ft, 2ft, 4ft

SVEN [57.7K]

Answer:

44 ft^2

Step-by-step explanation:

so first, you get the area for the outer rectangle

12*4=48

so the area is 48, but there is a 2x2 square cut out so subtract that area

2*2=4

48-4=44

5 0

3 years ago