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2 years ago

Write an inequality to represent the statement

Mathematics

1 answer:

aleksklad [387]2 years ago

7 0

Answer:

d (less than or equal to) 10

Step-by-step explanation:

the variable d counts as dollars. the Less than or equal to sign is basically a < sign- underlined (just in case you didnt know).

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8 x 2/5 in simplest form

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Answer:

3 1/5

Step-by-step explanation:

8/1 = 8

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3 years ago

Please help to find the area of this trapezium

Taya2010 [7]

Answer:

The area of trapezoid is 20 square centimeters

Step-by-step explanation:

Let

x -----> the length of rectangle

y ----> the height of rectangle

h ----> height of trapezoid

Applying the Trapezoid Mid-segment Theorem we have that

$x=\frac{1}{2}(AD+BC)$ ----> equation A

$y=\frac{h}{2}$ ----> $h=2y$ ----> equation B

Remember that

The area of rectangle is equal to

$xy=10\ cm^2$

The area of trapezoid is equal to

$A=\frac{1}{2}(AD+BC)h$ -----> equation C

substitute equation A and equation B in equation C

$A=(x)(2y)\\A=2xy$

The area of trapezoid is two times the area of rectangle

therefore

The area of trapezoid is 20 square centimeters

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4 years ago