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3 years ago

8

True or false A trapezium is a parallelogram

2 answers:

ra1l [238]3 years ago

7 0

No trapezoid is not a parallelogram.

jek_recluse [69]3 years ago

5 0

True
<span>There is some disagreement whether parallelograms, which have two pairs of parallel sides, should be regarded as trapezoids. Some define a trapezoid as a quadrilateral having only one pair of parallel sides (the exclusive definition), thereby excluding parallelograms.</span>

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If one side of a square notebook measures 20 cm, what is the area of the front cover of the notebook?

GalinKa [24]

Answer:

400 cm squared

Step-by-step explanation:

Area of Square = length*length.

A=20*20

A=400 cm squared

6 0

4 years ago

Read 2 more answers

During a Team scavenger hunt event, the average number of steps taken was 1800. Calculate the distance traveled using 10,000 ste

astra-53 [7]

Answer:

The average speed was of 2 miles per hour.

Step-by-step explanation:

Average speed:

Average speed is distance divided by time.

Distance:

Solved by proportions, using rule of three.

1800 steps - x miles

10,000 steps - 5 miles

$10000x = 5(1800)$

$x = \frac{9000}{10000}$

$x = 0.9$

Distance of 0.9 miles.

Using a time of 27 minutes to complete the event, calculate your average speed.

Distance of 0.9 miles in 27/60 of an hour. So

$d = \frac{0.9}{\frac{27}{60}} = \frac{60(0.9)}{27} = 2$

The average speed was of 2 miles per hour.

3 0

3 years ago

A scientist found that x grams of Metal A is completely oxidized in 2x13 seconds and x grams of Metal B is completely oxidized i

ExtremeBDS [4]

Answer: Metal A is 3 times faster than Metal B.

Step-by-step explanation:

Since we have given that

Time taken to oxidised metal A = $2x\sqrt{3}\ seconds$

Time taken to oxidised metal B = $6x\sqrt{3}$ seconds

So, ratio of metal A to metal B would be

$\dfrac{Metal\ A}{Metal\ B}=\dfrac{2x\sqrt{3}}{6x\sqrt{3}}=\dfrac{1}{3}$

So, Ratio of Metal A to Metal B is 1 : 3.

Hence, Metal A is 3 times faster than Metal B.

4 0

3 years ago

Write as a fraction and ratio

nataly862011 [7]

*dabs frantically* :) :) :)

7 0

3 years ago

The perimeter of a rectangle is twice the

masya89 [10]

Answer:

The length is 14 m.

Step-by-step explanation:

length = L

width = W

perimeter = P

"The perimeter of a rectangle is twice the sum of its length and its width."

P = 2(L + W)

"The perimeter is 40 meters"

40 = 2(L + W)

"and its length is 2 meters more than twice its width."

L = 2W + 2

Replace L with 2W + 2 in equation 40 = 2(L + W):

40 = 2(2W + 2 + W)

40 = 2(3W + 2)

20 = 3W + 2

3W = 18

W = 6

The width is 6 meters.

L = 2W + 2 = 2(6 m) + 2 m = 12 m + 2 m = 14 m

Answer: The length is 14 m.

5 0

3 years ago