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Andrews [41]
3 years ago
12

To be able to buy a new computer, Salma decides to save for 4 years. She opens a savings account with $600. The account pays sim

ple interest at an annual rate of 5%. She doesn't make any more deposits.
Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

Answer:

5% of 600 is 30, then you multiply the 30 by the 4 years which gives you 120. then you add the original 600 with the 5 person from the four years which is 120 that comes to 720. so 720 is how much is in salma's account after 4 years.

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610mK/s = ______ μK/ms
Blababa [14]

Answer:

  6.10×10² μK/ms

Step-by-step explanation:

When there are trailing zeros in a whole number, the number of significant figures is ambiguous. The given number would ordinarily be considered to have 2 significant figures, as the trailing zero would not count. In order to unambiguously specify the significant figures when there are trailing zeros, the number must be written as a decimal fraction or using scientific notation.

Here, we have 610 mK/s = 0.610 K/s = 610 μK/ms. The latter number can only be shown as having 3 significant digits if it is written in scientific notation:

  6.10×10² μK/ms

3 0
3 years ago
Aunt Lucille is 15 years older than Shateria. Aunt Lucille is 2 years younger than twice Shanteria's age. How old are Aunt Lucil
Viktor [21]
If l is lucille's age and s is shateria's age then:
l   =  s + 15

and
l = (s \times 2) - 2
so that means that
s + 15 = 2 \times s - 2 \\ s - 2 \times s =  - 15 - 2 \\  - s =  - 17 \\ s = 17
and if s=17 then l is:
l = s + 15 \\ l = 17 + 15 \\ l = 32

3 0
3 years ago
The radius of a circle is 4 feet. What is the area of a sector bounded by a 45° arc?
DIA [1.3K]

Answer:

Area = 6.28\  ft^2 or Area = 2  \pi\ ft^2

Step-by-step explanation:

Given

Radius, r = 4ft

Angle, \theta = 45

Required

Calculate the area of the sector

When angle is given in degrees, the area of sector is calculated as thus;

Area = \frac{\theta}{360} * \pi * r^2

Substitute\ r = 4\ and\ \theta = 45

Area = \frac{\theta}{360} * \pi * r^2 becomes

Area = \frac{45}{360} * \pi * 4^2

Area = \frac{45}{360} * \pi * 16

Area = \frac{45*16}{360} * \pi

Area = \frac{720}{360} * \pi

Area = 2 * \pi

Area = 2  \pi\ ft^2

The above is the area in terms of π

Solving further.... (Take π as 3.14)

Area = 2  \pi\ ft^2 becomes

Area = 2 * 3.14\  ft^2

Area = 6.28\  ft^2

Hence, the area of the sector is

Area = 6.28\  ft^2 or Area = 2  \pi\ ft^2

8 0
3 years ago
Which statement about rational numbers is true?​
Misha Larkins [42]

Answer:

D: All fractions containing integers are rational numbers.

7 0
3 years ago
Read 2 more answers
Questions 6,7 please help!
navik [9.2K]
Answer 6 is and exponential, but I don’t know what 7 is, sorry
6 0
3 years ago
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