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netineya [11]
2 years ago
14

MATH PLEASE

Mathematics
2 answers:
Svetllana [295]2 years ago
7 0

Answer:

<u>Area of the shaded region:</u>

  • A = 15² - 5² = 225 - 25 = 200 mm²

<u>Perimeter of outside edges:</u>

  • P = 15*4 = 60 mm
m_a_m_a [10]2 years ago
3 0

Answer:

area of shaded region =15²-5²=200mm²

perimeter of outside edge =4×15=60mm

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B
crimeas [40]

13²-5²=144

=12

26²-24²=100

=10

13²-12²=25

=5

3 0
2 years ago
You have 40 grams of a radioactive kind of tellurium. If it's half life is 9 hours, how much will be left after 18 hours
AlexFokin [52]

Answer:

10 grams

Step-by-step explanation:

7 0
2 years ago
50 Points mark brainly, Which system of equations is satisfied by the solution shown in the graph?
alexira [117]
The answer is the 4th option, 
x+y=6 and x-y= -10
7 0
3 years ago
At 22 years of age, Nicolas and Troy have started their first full-time jobs, and Troy decides to place $10,000 in a savings pla
grigory [225]

Answer:

The correct answer 8486.

Step-by-step explanation:

Given:

Troy - P pr principle amount = 10000

rate = 9%

time = 60-22 = 38

intrest at every three months so time = t = 38*4 = 132

Nicohlas

P = x

rate = 10%

time = 60 -45 = 15

every month compounded = 15*12=180

solution:

the formula of compound intrest = P (1 + r/n)^(nt)

where n = number of counded intrests per year

puting formula for troy=

10000 (1+9/4)^132

= 294,322.96 .....1

now for nicolas

I = x(1+10/12)^180

x = 294,322.96/(1+10/12)^180

= 8486.

4 0
2 years ago
The surface area of 3ft, 7ft, 2ft
Xelga [282]

Answer: 82 ft squared

Step-by-step explanation: The surface area is 2( wl + hl + hw)

so the width is 2 the length is 7 and the height is 3

so it's 2( 14 + 21 + 6) = 2(41) = 82

6 0
3 years ago
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