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Degger [83]
3 years ago
8

Which is the best estimate of the area of the figure in square centimeters

Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

38.28 cm = D. 38

Step-by-step explanation:

Area of the Rectangle: l x w

Length: 6 cm

With: 4 cm

Area = 4 x 6

Area of Rectangle: 24 cm

Area of the Triangle: lw(1/2)

Length: 4 cm

Width: 4 cm

Area: 4 x 4 = 16 x 1/2 = 8

Area of Triangle: 8 cm

Area of the Circle: pi x r^2 x 1/2

Radius: 2 cm

Pi: 3.14

Area: 3.14 x 2^2

Area: 3.14 x 4 = 12.56

Area of Circle: 12.56 x 1/2

Lastly, you add them all together:

24 + 8 + 6.28 = 38.28 cm

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Find the number of miles driven by subtracting the odometer readings:

74545 - 74233 = 312 miles driven.

Divide miles driven by gallons of gas used:

312 / 9 = 34.66 = 35 miles per gallon.

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Find the approximate area of a triangle that has vertices at A(-4,2),B(6,4)C(3,-1)
MrMuchimi

area \: of \: triangle \:  =  \frac{1}{2}  |( - 16) - (22)|
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6 0
3 years ago
D
Gelneren [198K]

Answer:

General equation of line : y = mx+c   --1

Where m is the slope or unit rate

Table 1)

p    d

1      3

2     6

4     12

d = Number of dollars (i.e.y axis)

p = number of pound(i.e. x axis)

First find the slope

First calculate the slope of given points

m = \frac{y_2-y_1}{x_2-x_1}   ---A

(x_1,y_1)=(1,3)

(x_2,y_2)=(2,6)

Substitute values in A

m = \frac{6-3}{2-1}

m = 3

Thus the unit rate is 3 dollars per pound.

So, It matches the box 1 (Refer the attached figure)

Equation 1 : p=3d

\frac{p}{3}=d

Since p is the x coordinate and d is the y coordinate

On Comparing with 1

m = \frac{1}{3}

Thus the unit rate is \frac{1}{3} dollars per pound

So, It matches the box 2 (Refer the attached figure)

Equation 2 : \frac{1}{3}d=3p

d=9p

Since p is the x coordinate and d is the y coordinate

On Comparing with 1

m =9

Thus the unit rate is 9 dollars per pound

So, It matches the box 3 (Refer the attached figure)

Table 2)

p        d

1/9      1

1         9

2        18

d = Number of dollars (i.e.y axis)

p = number of pound(i.e. x axis)

(x_1,y_1)=(\frac{1}{9},1)

(x_2,y_2)=(1,9)

Substitute values in A

m = \frac{9-1}{1-\frac{1}{9}}

m = \frac{8}{frac{8}{9}}

m = 9

Thus the unit rate is 9 dollars per pound

So, It matches the box 3 (Refer the attached figure)

3 0
3 years ago
Read 2 more answers
Simplify. −7i⋅(−8i)<br><br> −56<br><br> −56i<br><br> 56i<br><br> 56
Novay_Z [31]
Your answer is A. -56
Hope this helps!
8 0
3 years ago
Read 2 more answers
Please help me.....
Rina8888 [55]

Answer: The last answer is correct

Step-by-step explanation:

BAC and BCA are the same because A=70 degrees B=70 degrees.

if the top looks exactly like the bottom or vise versa, its the same degree.  

7 0
3 years ago
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