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dezoksy [38]
3 years ago
9

Please explain your answer

Mathematics
1 answer:
ra1l [238]3 years ago
4 0
A trapezoid (also known as a trapezium) is a 4-sided shape with two parallel bases that are different lengths. The formula for the area of a trapezoid is A = ½(b1+b2)h, where b1 and b2 are the lengths of the bases and h is the height. Hope it helps :)
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Compare learning about functions to learning a new language. How are they similar?
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Answer:

Similarities

They both follow strict laws (typically stricter for math).

Practice makes perfect: both can be learned to points of practical perfection.

The brain must first attribute meaning or value to elements of either in order to build a learning pattern.

Differences:

Math is learned under assumptions of perfection (2 + 2 = 4 ALWAYS); whereas, language is learned under assumptions of reality (2 + 2 may be 5 for significantly larger values of 2). In other words, 2 average sized men plus 2 average sized Texans would more likely equal 5 or more average sized men.

Math is logical and language is largely artistic.

There is only one solution (or specific set of solutions) to every math problem. On the other hand, there are at least 100 different ways to express the same idea using language.

Step-by-step explanation:

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A video game is on sale for 40% off. The sale price is $34.79. Find the original price of the game.
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3 years ago
On parallelogram ABCD below, if A(1,1) B(8,5) C(5,-5) and D (-2,-9), what are the coordinates of point E?
viva [34]

Answer:

The coordinates of point E are (3,-2)

Step-by-step explanation:

we know that

The diagonals of a parallelogram bisect each other

That means ----> The coordinates of point E is the midpoint diagonal AC or the midpoint diagonal BD

The formula to calculate the midpoint between two points is equal to

M=(\frac{x1+x2}{2},\frac{y1+y2}{2})

<u><em>Verify both cases</em></u>

<em>Find the midpoint AC</em>

we have the points

A(1,1) and C(5,-5)

substitute in the formula

E=(\frac{1+5}{2},\frac{1-5}{2})

E=(3,-2)

<em>Find the midpoint BD</em>

we have the points

B(8,5) and D (-2,-9)

substitute in the formula

E=(\frac{8-2}{2},\frac{5-9}{2})

E=(3,-2)

therefore

The coordinates of point E are (3,-2)

6 0
3 years ago
Please solve this linear equation will mark brainliest for correct answer
Ierofanga [76]

Answer:

x=-1/2

Step-by-step explanation:

\frac{5x-2}{3x+1}=9\\\\\frac{5x-2}{3x+1}*(3x+1)=9*(3x+1)\\\\5x-2=9(3x+1)\\\\5x-2=9(3x)+9(1)\\\\5x-2=27x+9\\\\5x-2-9=27x+9-9\\\\5x-11=27x\\\\5x-5x-11=27x-5x\\\\0-11=22x\\\\-11=22x\\\\-11=11(2x)\\\\-11*(\frac{1}{11})=\frac{11(2x)}{11}\\\\-1=2x\\\\x=-\frac{1}{2}

and now we check

\frac{5(-\frac{1}{2})-2}{3(-\frac{1}{2})+1}=9\\\\\frac{-2.5-2}{-1.5+1}=9\\\\\frac{-4.5}{-0.5}=9\\\\\frac{4.5}{0.5}=9\\\\\frac{\frac{9}{2}}{\frac{1}{2}}=9\\\\\frac{9*2}{1*2}=9\\\\\frac{9}{1}=9\\\\9=9

so the answer is -1/2

7 0
3 years ago
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