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Daniel [21]
2 years ago
7

Please help with these math questions

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
8 0
1) a
2) d
3) 7 and 2
4) a and d
5) 50
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Find the time, amount = Rs 1375, principal =Rs 1250, Rate - 4%​
TiliK225 [7]

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so time is 2 years and 6 months

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2 years ago
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can the area of a square be expressed as a prime number if its side length is expressed as a natural number?
Lerok [7]

not possible because the area of a square is always a square of it's length and a square cannot be a prime number

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3 years ago
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A store buys a shirt from their distributor for $15. Then they markup the price by 80%. How much is the store selling the shirt
andrew-mc [135]

Answer:

$18.75

Step-by-step explanation:

Change the 80% into its decimal form, which is 0.8. Then, divide $15 by 0.8.

7 0
3 years ago
If sinX= 0.9, what is the value of cos X?<br><br> Round the value to the nearest thousandth.
SSSSS [86.1K]

Answer: sqrt(19)/10

Step-by-step explanation:

sinx=0.9

x=arcsin(0.9)


Insert x for cos(x):

cos(arcsin(0.9)=

Use identify cos(arcsin(x))=\sqrt{1-x^{2} }, so

\sqrt{1-(\frac{9}{10})^{2}} =\sqrt{\frac{19}{100} } =\frac{\sqrt{19}}{10}


Sorry if this is confusing.



6 0
3 years ago
The population of the African country of Madagascar in 2018 is about 26 million. The estimated population of Madagascar is given
MrRissso [65]

Answer:

The current population of Madagascar is 28,354,778 as of Thursday, June 10, 2021, based on Worldometer elaboration of the latest United Nations data.

Madagascar 2020 population is estimated at 27,691,018 people at mid year according to UN data.

Madagascar population is equivalent to 0.36% of the total world population.

Madagascar ranks number 51 in the list of countries (and dependencies) by population.

The population density in Madagascar is 48 per Km2 (123 people per mi2).

The total land area is 581,795 Km2 (224,632 sq. miles)

38.5 % of the population is urban (10,670,252 people in 2020)

The median age in Madagascar is 19.6 years.

Step-by-step explanation: i dont know man

6 0
2 years ago
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