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IrinaK [193]
2 years ago
8

What is the area rounded to the nearest square centimeter

Mathematics
2 answers:
77julia77 [94]2 years ago
6 0
138cm is my answer that I came up with
xz_007 [3.2K]2 years ago
3 0
This is a kite. We can split it into 2 equal triangles.

Length = 42.7 + 22.5 = 65.2cm
Height = 16.3 cm

Area of triangle = 1/2 x base x height

2 Area of triangles = 2( 1/2 x 65.2 x 16.3) =  1063 cm² (nearest cm)

Answer: 1063 cm² (Answer B)
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If a lawn measures 40 and 4/5 ft by 50 and 7/8ft how many square feet of seed will he need?
pychu [463]
So convert to improper fracitons (improper=x/y where x>y and the current one is mixed where it is in t s/f form) so

40 and 4/5=(40 times 5)/5 and 4/5=200/5 and 4/5=204/5

50 and 7/8=(50 times 8)/8 and 7/8=400/8 and 7/8=407/8

area=legnth times width
legnth =407/8
width=204/5
multiply 407/8 and 204/5

407/8 times 204/5=(407 times 204)/(8 times 5)=83028/40=2075.7 square feet

the answer is 2075.7 ft^2 of seed
6 0
3 years ago
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vitfil [10]

Answer:

Step-by-step explanation:

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part B:

Closure property is  applicable to the subtraction of polynomials.

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if we subtract these two polynomials, the outcome

2x^4-2x^3+2x^2-2x-7 is also a polynomial

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astra-53 [7]

Answer:

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Step-by-step explanation:

8 0
2 years ago
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natita [175]

Answer:

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Step-by-step explanation:

3 0
2 years ago
the metal in a penny is worth about 0.505 cents how many cents is this written as a fraction in simplest form
aivan3 [116]

Hello,

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Bye :)

5 0
2 years ago
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