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vovangra [49]
3 years ago
14

Why math was invented and why childrens hate it

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0
The origins of mathematics date back to early pre-historic times that were, well, prehistory. That means that we have no proof of the origins of the first use of mathematics, but we can infer. The first peoples on earth would've had to deal with principles of number, magnitude, and form on a daily basis. From deciding which berry to eat or which basic task accomplished the most work in the shortest amount of time.

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5/100+8/10=?......help
lukranit [14]
85/100
17/20 when simplified
8 0
3 years ago
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In the whole number 70,819 the place value of the digit 1 is
bulgar [2K]

Step-by-step explanation:

a number is a sequence of digits with every position being multiplied by increasing powers of 10.

and the whole number is then the sum of of these little multiplications.

the first position left of the decimal point is for 10⁰ (1). the second position is 10¹ (10). the third position for 10² (100). and so on.

the given number is therefore just the short version of

7×10⁴ + 0×10³ + 8×10² + 1×10¹ + 9×10⁰

and therefore, the digit 1 in this number has the value 1×10¹ = 10, which is also the place value, 10¹ = 10.

5 0
2 years ago
Janka si vložila 3200 eur na termínovaný účet s 1,2 úrokovou mierov koľko bude mať po 1 roku
gizmo_the_mogwai [7]

Answer:

the present value is 3,162 euros

Step-by-step explanation:

The computation of the present value is shown below:

As we know that

Future value = Present value × (1 + rate of interest)^number of years

3,200 euros = Present value × (1 + 0.012)^1

3,200 euros =  Present value × 1.012^1

Present value is

= 3,200 euros ÷ 1.012

= 3,162 euros

Hence, the present value is 3,162 euros

5 0
3 years ago
In 1990, there were 4,500 deaths due to lung diseases in miners aged 20 to 64 years. The expected number of deaths in this occup
DIA [1.3K]

Answer:

2.5

Step-by-step explanation:

We have that the standardized mortality ratio (SMR) is the relationship between the number of deaths observed in a year, that is, those that occurred and the number of expected deaths, that is, those that were predicted.

SMR = observed / expected

therefore if we replace we have:

SMR = 4500/1800

SMR = 2.5

Which means that the standardized mortality ratio (SMR) is 2.5

7 0
2 years ago
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tia_tia [17]

Answer: 2,000

Step-by-step explanation:

You can write the equation 2x + 3x = 5000

Then combine like terms 5x = 5000

Divide by 5 on both sides x = 1000

Find 2x 2x = 2000

5 0
2 years ago
Read 2 more answers
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