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3 years ago

Which number is equivalent to 0.45 repeating?

2 answers:

5 0

_
0.45 It needs to have a line over the top of the 5 because after the 5 everything repeats over again and this is the repeating sign.

Burka [1]3 years ago

4 0

Answer:

5/11

Step-by-step explanation:

5/11 is the equivalent number because its the fraction of the repeating decimal ^^

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Smiplify d equation

Semmy [17]

Answer:

$\frac{21}{4}$

Step-by-step explanation:

Given

3 × $\frac{7}{4}$ ← can be expressed as

$\frac{3}{1}$ × $\frac{7}{4}$

Multiply numerators/ denominators, that is

= $\frac{3(7)}{1(4)}$

= $\frac{21}{4}$

4 0

3 years ago

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Work out total surface area of pyramid

Agata [3.3K]

You would need to know the dimensions of the pyramid and wether it was triangle or square bottomed

7 0

3 years ago

What is the total surface area of this rectangular pyramid?

umka2103 [35]

Answer:

225 square feet

Step-by-step explanation:

the base of the pyramid would be 76 ft², since 12*6=72. Then you get the surface area of the sides. 2 of the sides would be 48 ft², since (12*8)/2=48. The other 2 sides would be 28.5 ft², since (6*9.5)/2-28.5. Then you just add the surface areas of all the sides; 76+48+48+28.5+28.5 to get 225.

Hope this helps! :)

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2 years ago

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At what time the sum Rs. 5000 will be doubled at the interest<br>of 10% per annum?

FromTheMoon [43]

Answer:

Time= $10$ years

Step-by-step explanation:

Let total time $=t$

Initial Amount $=5000$

Final Amount $=10000$

Total interest = Final Amount - Initial Amount

$=10000-5000\\=5000$

Simple Interest $=\frac{Initial Amount\times time\times rate}{100} \\\\5000=\frac{5000\times t \times 10}{100}\\\frac{t}{10} =1\\t=10 \ years$

7 0

3 years ago

HELP MEE IM DIEING please i need help I'm very stupid and idk these things and if u could explain to me how I can add fractions

Dafna1 [17]

Fraction adding: Okay, so if you have two fractions with the same denominator like 2/3 and 1/3 then they are easily added. Just add the numerators together and then keep the denominator. Like this: 2/3 + 1/3 = 3/3 or 1 whole. Here is something for fractions with unlike denominators.

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3 years ago