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ch4aika [34]
3 years ago
9

Please help me solve this , is for tomorrow​

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

Answer:

-96

Step-by-step explanation:

This is the right answer.

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Element X is a radioactive isotope such that every 25 years, its mass decreases by
luda_lava [24]

Answer: 26

Step-by-step explanation:

6 0
3 years ago
A sector of a circle has a central angle of 45 . Find the area of the sector if the radius of the circle is 15 cm.
prohojiy [21]

Answer:

A = 28.125 * pi cm^2

A = 88.357  cm^2


Step-by-step explanation:

Area of a sector is 1/2 r^2 theta  where theta is in radians

convert 45 degrees to radians

theta = 45 * pi/180 = pi/4

A = 1/2 * 15^2 * pi/4

A =1/2 * 225 * pi/4

A = 28.125 * pi cm^2

A = 88.357  cm^2


6 0
3 years ago
How can you represent 100 as an exponential expression with 10 as the base?
Dennis_Churaev [7]

Answer:  

We use exponential notation to write repeated multiplication, such as 10 • 10 • 10 as 103. The 10 in 103 is called the base. The 3 in 103 is called the exponent. The expression 103 is called the exponential expression

Step-by-step explanation:

a website to use for more answer:http://www.montereyinstitute.org/courses/DevelopmentalMath/COURSE_TEXT2_RESOURCE/U11_L1_T1_text_final.html

Can you mark me brianest plz and thanks

5 0
2 years ago
I need help ASAP could someone help with this?
Varvara68 [4.7K]

=)       sorry. but i do not know this. i hope  somebody helps you out> =)

4 0
3 years ago
The diameter of the circle shown below is 12m. What is the area of the circle?
olya-2409 [2.1K]

Answer:

Step-by-step explanation:

A = 1/4 pie d2

= 1/4(22/7)(12)2

= 1/4(22/7)144

= 113.1

7 0
2 years ago
Read 2 more answers
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