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a_sh-v [17]
2 years ago
6

The selling price of the Robertsons family house dropped from $500,000 to $250,000. What was the percent decrease in the value o

f their home?
( please solve, NOT in proportion please!! )
Mathematics
2 answers:
goblinko [34]2 years ago
8 0

Answer:

50%

Step-by-step explanation:

50% of the value of the house dropped.

So 50% of 500,000.

  • 50 percent *500000 =
  • ( 50:100)*500000 =
  • ( 50*500000):100 =
  • 25000000:100 = 250000
Alexus [3.1K]2 years ago
5 0

Answer:

50%

Step-by-step explanation:

You can literally do it mentally lol

 $500,000

- <u>$250,000</u>

 $250,000

so by common sense, it's 50%

Hope it helped!

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(a2)(2a3)(a2 – 8a + 9)
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Answer:

-72a^3 +108a^2

Step-by-step explanation:

(2a)(6a)(2a-8a+9)= (2a)(6a)(-6a+9)=12a^2(-6a+9)

= -72a^3 +108a^2

8 0
2 years ago
I need help, this is geometry
Artemon [7]

Answer:

∠P = 39º

∠Q=120º

∠R = 21º

Step-by-step explanation:

m∠P+m∠Q+m∠R=180º (sum of ∠s in a triangle)

2x-3+6x-6+x=180º (substitution)

9x-9=180º (algebra)

9x=189º (algebra)

x=21º (algebra) (this is ∠R)

(2x-3)=39º (algebra) (this is ∠P)

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Solve the proportion: 12/R = 5/60
salantis [7]
I was to tired to write it down

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Convert the decimal to a fraction in simplest form:
Shkiper50 [21]

Answer:

Decimal 0.333 to a fraction in simplest form is:   \frac{333}{1000}

Step-by-step explanation:

Given the decimal

0.333

Multiply and divide by 10 for every number after the decimal point.

There are three digits to the right of the decimal point, therefore multiply and divide by 1000.

Thus,

0.333=\frac{0.333\cdot \:\:1000}{1000}

         =\frac{333}{1000}         ∵ 0.333×1000 = 333

Let us check if we can reduce the fraction \frac{333}{1000}

For this, we need to find a common factor of 333 and 1000 in order to cancel it out.

But, first, we need to find the Greatest Common Divisor (GCD) of 333, 1000

<u>Greatest Common Divisor (GCD) : </u>

The GCD of a, b is the largest positive number that divides both a and b without a remainder.

Prime Factorization of 333:      3 · 3 · 37

Prime Factorization of 1000:      2 · 2 · 2 · 5 · 5 · 5

As there is no common factor for 333 and 1000, therefore, the GCD is 1.

Important Tip:

  • As GCD is 1, therefore the fraction can not be simplified.

Therefore, decimal 0.333 to a fraction in simplest form is:   \frac{333}{1000}

4 0
3 years ago
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