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Marat540 [252]
3 years ago
12

Write the number as a percent. 1/5

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0

Answer: 20%

Step-by-step explanation:  1/5=0.2     0.2x100=20    20%

rjkz [21]3 years ago
6 0

Answer:

1/5 = 20%

Step-by-step explanation:

Let x be the percentage.

\frac{1}{5} * \frac{x}{100}

100 = 5x    Cross multiply

x = 20%

Hope this helps!

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What unfortunate mistake did the champion ice-skater make with his gold medal
kvv77 [185]
Are there any multiple choice answers?
3 0
4 years ago
What is the sum of 5.3 x 10^5 and 3.8 x 10^4 in scientific notation?
Sedaia [141]
5.3×10^5=53×10^4
53×10^4+3.8×10^4
=56.8×10^4
=5.68×10^5. Hope it help!
3 0
3 years ago
Read 2 more answers
If sin(y°) = cos(x°), which of the following statements is true?
Firdavs [7]

Answer:

<u>y = w and ΔABC ~ ΔCDE</u>

Step-by-step explanation:

Given sin(y°) = cos(x°)

So, ∠y + ∠x = 90°  ⇒(1)

And as shown at the graph:

ΔABC is aright triangle at B

So, ∠y + ∠z = 90° ⇒(2)

From (1) and (2)

<u>∴ ∠x = ∠z </u>

ΔCDE is aright triangle at D

So, ∠x + ∠w = 90° ⇒(3)

From (1) and (3)

<u>∴ ∠y = ∠w</u>

So, for the triangles ΔABC and ΔCDE

  • ∠A = ∠C  ⇒ proved by ∠y = ∠w
  • ∠B = ∠D  ⇒ Given ∠B and ∠D are right angles.
  • ∠C = ∠E  ⇒ proved by ∠x = ∠z

So, from the previous  ΔABC ~ ΔCDE by AAA postulate.

So, the answer is <u>y = w and ΔABC ~ ΔCDE</u>

4 0
3 years ago
Read 2 more answers
A town has a population of 6000 people in the year 2009 and is growing at a rate of 3% a year. Let t denote the time in years af
dusya [7]

Answer:

  • f(t) = 6000*1.03^t
  • k = 0.0295588

Step-by-step explanation:

The formula for exponential growth can be written a couple of different ways. One I prefer uses the problem numbers directly:

  population = (initial population) × (growth factor)^t

Here, the initial population is 6000, and the growth factor is 1+3% = 1.03. Then the function can be written as ...

  f(t) = 6000·1.03^t

__

Another way to write the function is using the form ...

  f(t) = (initial population) × e^(kt)

where k is the natural logarithm of the growth factor. In this form, we have ...

  k = ln(1.03)

  k ≈ 0.0295588

so the function would be written ...

  f(t) = 6000·e^(0.0295588t)

5 0
3 years ago
Dinda membeli sebuah handphone seharga Rp2.500,000,00. Setelah 5 bulan, ia menjualnya dengan
Anit [1.1K]

Answer:

Dinda received a 32% loss percentage.

Step-by-step explanation:

<u><em>The question in English is</em></u>

Dinda bought a phone for Rp.2,500,000.00. After 5 months, she sells it with

the price of Rp1,700,000.00. What percentage of losses did Dinda receive?

we know that

Rp.2,500,000.00 represent the 100%

so

Using a proportion

Find out what percentage represent the difference between the original value and the final value

\frac{2,500,000}{100\%}=\frac{2,500,00-1,700,000}{x}\\\\x=100(800,000)/2,500,000\\\\x=32\%

therefore

Dinda received a 32% loss percentage.

6 0
3 years ago
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