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bija089 [108]
4 years ago
15

What is the area of a trapezium formula?

Mathematics
2 answers:
antoniya [11.8K]4 years ago
8 0
The area of a trapezoid is \frac{1}{2}h( b_{1} +  b_{2}) which can be read as one-half times the height times the sum of the two bases.

Hope this helps =)
Marianna [84]4 years ago
7 0
This  is how you find the area of a trapezium (A=a+b 2h)

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Find the numbers a, b and c if the polynomial x3−18x2+24xb−c is the cube of the binomial x+2a.
mojhsa [17]

Answer:

a=-3\\ \\b=\dfrac{9}{2}\\ \\c=216

Step-by-step explanation:

Use formula

(u+v)^3=u^3+3u^2v+3uv^2+v^3.

Hence,

(x+2a)^3=x^3+3x^2\cdot 2a+3x\cdot (2a)^2+(2a)^3=x^3+6ax^2+12a^2x+8a^3.

This expression is equal to

x^3-18x^2+24bx-c,

so we can equate the coefficients at powers of x:

x^3:\ 1=1\\ \\x^2:\ 6a=-18\Rightarrow a=-3\\ \\x:\ 12a^2=24b\Rightarrow b=\dfrac{9}{2}\\ \\1=x^0:\ 8a^3=-c\Rightarrow c=-8\cdot (-3)^3=216.

6 0
4 years ago
You bought 15 apples and 2 bags of Carmel for $16.00. The bags of caramel costs $5.35. How much does each apple cost? Write an e
OLga [1]

Answer:

5.35*2+x=16 and the answer is $.35

Step-by-step explanation:

5.35*2+x=16

10.70+x=16

-10.70     -10.70

x=5.30

5.30/15= about .35

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3 years ago
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Answer in the attachments.

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Answer:

the answer is 31.42

Step-by-step explanation:

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3 years ago
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