MATHEMATICS MIDDLE SCHOOL

There are some parallelograms that are not rectangles

Answers

Answer 1
Answer:

Answer:

true

Step-by-step explanation:

This is a true statement

To be a rectangle it must have 4 right angles and 2 pairs of parallel sides

A rhombus has 2 pairs of parallel sides so it is a parallelogram, but does not have to have 90 degree angles.    (Rhombuses with 90 degree angles are squares)
Answer 2
Answer:

_________________________________

Yes,itistrue.

Therearesomeparallelogramsthatarenot rectangles.

Rectanglearejustthespecialcaseofparallelogramwheretheanglesareall90degree.Allrectangleshave90degreeanglesandwithparallelogramthatdoesnotalwayshavetobe thecase.Someparallelogramsaresquares,rhombusandmanymore.Aparallelogramisaquadrilateralwith2pairsofopposite,equalandparallelsides.

Hopeithelps..

Goodluckonyourassignment

______________________________

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at the ring toss booth in a carnival 8 people lost and forty people won. how many times as many people won as lost?

Answers

32 people won as lost

Which of the following is equivalent to 1 cup

Answers

1 cup=16 tablespoons
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How do you solve 18x18

Answers

do 18x18 which equals 324

Answer:

the answer is 324, I hope that helps!!

Jerome surveyed 643 skateboarders and found that 209 of them preferred wood skateboards to plastic or aluminum skateboards. Based on the number of people surveyed, what is the most reasonable estimation of the percent of skateboarders who preferred wood skateboards?a)10%
b)30%
c)40%
d)50%

Answers

30% , as:
Let the percentage of people preferring wooden skateboards be 'x'.
Therefore, x/100*643=209
x/100=209/643
x=209*100/643
x=20900/643
x=32.50.......
By rounding it off to 30, we get 30% as answer.

Neal buys a board game. He pays for the board game andpays $1.54 in sales tax. The sales tax rate is 5.5%.
What is the original price of the board game, before tax?

Answers

Answer:

$27.99

Step-by-step explanation:

100/7.25% sales tax = 1.54 x 13.7931034483 = 21.2413793104

We did the example to prove that when accounting for fixed tax the price will be higher once tax of same percentage amount applied.

This proves 1.75% more in interest is a far lower price ($6.56 less)

Where we compare the price set for 5.5 as asked in the question.

100/5.5% sales tax = 1.54 x 18.181818181 =27.9999999987

=$27.99

We do not round up or down repeating numbers.

Please help me in problem 8 I need help on it plzZ

Answers

Answer:

a.\ -3\nb.\ 6\nc.\ -5\nd.\ 4

Step-by-step explanation:

First, it is important to remember which are the Negative numbers and the Positive numbers.

The Positive numbers are defined as all those numbers that are greater than zero and the Negative numbers are defined as all those numbers that are less than zero.

Then:

a. "3 degrees below 0\°F" indicates that the temperature is actually -3\°F, which is less than zero. Then, it is a negative number:

-3

b. Let be 0 represents the sea level, "6 feet above the see level" indicates that the number is positive:

6

c. "Lost 5 pounds" indicates that now the actual weight is 5 pounds less than the original, which indicates that it must be expressed as a negative number:

-5

d. "Found \$4" means that now the actual amount of money is greater than it was before. Then, the number that represents this is a positive number:

4
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