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svet-max [94.6K]
2 years ago
12

What is the percent of decrease from 500,000 to 300,000?

Mathematics
2 answers:
dedylja [7]2 years ago
4 0

Answer:

40% decrease

Step-by-step explanation:

500,000-300,000 = 200,000

200,000/500,000 = .4

.4 x 100 = 40% decrease

shutvik [7]2 years ago
4 0
He is right with his answer
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The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism?
neonofarm [45]

Area of three rectangles

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5 0
2 years ago
What is the sum of all of the perfect squares between
Nonamiya [84]

Answer:

(-138) is the answer.

Step-by-step explanation:

Perfect square numbers between 15 and 25 inclusive are 16 and 25.

Sum of perfect square numbers 16 and 25 = 16 + 25 = 41

Sum of the remaining numbers between 15 and 25 inclusive means sum of the numbers from 17 to 24 plus 15.

Since sum of an arithmetic progression is defined by the expression

S_{n}=\frac{n}{2}[2a+(n-1)d]

Where n = number of terms

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d = common difference

S_{8}=\frac{8}{2} [2\times 17+(8-1)\times 1]

   = 4(34 + 7)

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Now the difference between 41 and sum of perfect squares between 15 and 25 inclusive = 41-179

= -138

Therefore, answer is (-138).

7 0
2 years ago
Describe the steps you would use to solve the equation 5( 2a - 3 ) = 20 + a.
Valentin [98]

Answer:

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What are some words found in geometry that are hard to specifically<br> define
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Alternate interior angles can always add to 180
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