2 years ago

Every square is a trapezoid. Is this true or false?

1 answer:

6 0

Answer: This is true. Every square has 2 pairs of parallel sides and the conditions for a shape to be a trapezoid is if it has at least 1 pair of paralell sides. Since a square satisfies these conditions, it is a trapezoid.

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Mindy opens a bank account with $55 and start saving five dollars per week. Sean’s grandma gives him $100 for his birthday, but

sveticcg [70]

Answer:

3 weeks, $45

Step-by-step explanation:

So we can make an equation!

55+5x=100-10x

So solving for x,

X=3

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3 years ago

If 3 1/2 pounds of bananas cost $0.98, how much would one pound cost?

Yuki888 [10]

Divide .98 by 3 1/2. 3 1/2 in decimal form is 3.5 so .98 ÷ 3.5 = .28

So one pound of bananas would cost <span>$0.28</span>

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3 years ago

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Shauna bought a flat cardboard box

bonufazy [111]

And? what about it?????

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2 years ago

Complete each proof. Remember to mark the diagram as you go. You may not need all the rows.

Illusion [34]

Answer:

did u ever get hte answers for this ?

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3 years ago

Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100

marissa [1.9K]

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Let the number of sit-ups you have to do Sunday be x. Then the sum of all sit-ups is

100+65+120+150+90+0+x=525+x.

The number of days is 7.

Thus, the mean is

$\text{mean}=\dfrac{525+x}{7}.$

You know that the mean number of sit-ups per day is 100, equate these two means and solve the equation:

$\dfrac{525+x}{7}=100,\\ \\525+x=700,\\ \\x=700-525,\\ \\x=175.$

Answer: 175 sit-ups

5 0

3 years ago