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3 years ago

Name another way to prove a quadrilateral is a rectangle.

Mathematics

1 answer:

snow_lady [41]3 years ago

6 0

Actually there's too many ways but this was the simplest ways

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Kareen says that (3 + 2) + 6 = 3 + (2 + 6). What property of addition is he using?

Anvisha [2.4K]

Answer: Im pretty sure thats associative property.

3 0

2 years ago

Lucy took out a $15,000 to buy her new car. The bank charged her 8% simple interest rate for the term of 5 years. What is the en

MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

This problem is on simple interest calcultion

A=P(1+r*n)

where

A=accumulated amount (final)

P= principal amount (initial), $15,000

r=interest written as decimal, 8% = 8/100= 0.08

n=number of years, 5years

Substituting into the expression we have

A=15000(1+0.08*5)

A= 15000(1+0.4)

A=15000(1.4)

A=$21000

<h2>Hence the ending balance that lucy would pay is $21000</h2>

5 0

3 years ago

How do you write 18/40 in a decimal

In-s [12.5K]

Answer:

0.45 you divide them

4 0

3 years ago

Read 2 more answers

5/8 - 4/5 subtract as indicated and express your answer in lowest terms

Nitella [24]

Answer:

-7/40

Step-by-step explanation:

5/8 - 4/5

~Find common denominators

25/40 - 32/40

~Subtract

-7/40

Best of Luck!

4 0

3 years ago

A 20-foot ladder leans up against the side of a building so that the foot of the ladder is 10 feet from the base of the building

harina [27]

Answer:

17.3

Step-by-step explanation:

To solve this equation, you need to use the pythagorean theorem which is:

$a^{2} +b^{2}= c^{2}$

a= length

b= height

c= hypotenuse

First, substitute in your values for the equation:

$10^2+b^{2} =20^{2}$

Then, use the squares in the equation:

$100+b^{2} =400$

Then, subtract 100 from both sides to isolate b:

$b^{2} =300$

Finally, square root both sides to get your answer:

$b=17.3205080757$

Then round to the nearest tenth which gives you 17.3.

6 0

3 years ago