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Leokris [45]
3 years ago
7

How long does it take for a simple with total number n to decay to 1/3n?

Mathematics
1 answer:
Vlada [557]3 years ago
7 0
<span>Income earned over one year is principal * int rate so we have 0.12*A + 0.13*B +0.14*C = 400 and A + B + C = 3000 and A+B = C</span>
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Could someone help me with this? Im lost
Talja [164]

A straight angle measures 180 degrees.

Angle x and the 150-degree angle form a straight angle.

x + 150 = 180

x = 30

Angle z and the 100-degree angle form a straight angle.

z + 100 = 180

z = 80

Now you know the measures of two angles of the three angles of the triangle. The sum of the measures of the angle of a triangle equals 180 degrees.

x + y + z = 180

30 + y + 80 = 180

y + 110 = 180

y = 70

Answer: x = 30; y = 70; z = 80

6 0
4 years ago
What is the area of the composite figure 262 264 266 268
sineoko [7]

Answer:

264cm2

Step-by-step explanation:

the length of line in green = 5 cm

the length of line in yellow = 3 cm

the length of line in red = 6 cm

the length of line in white = 16 cm

the total area = 100 + 12 + 12 + 20 + 24 + 96 = 264 cm2

5 0
4 years ago
Read 2 more answers
in Youngstown, the population reached 4420 people in 1993. in 1998 the population was 5600 residents. what was the population in
Julli [10]
5600 - 4420 = 1180....so there is a difference of 1180 in a period of (1998 - 1993) = 5 yrs.

1180/5 = 236 people per yr

so in 1998 the population was 5600.....in 2000 (2 yrs later) the population would be : 5600 + 236(2) = 5600 + 472 = 6072 <==
4 0
4 years ago
Imar got 8 Apples at the fair. His Sister Gave him 8 more how many apples does Imar Have altogether
Sunny_sXe [5.5K]

He has a total of 16 apples


6 0
3 years ago
Read 2 more answers
Please explain your answer thanks
allochka39001 [22]
Melissa is represented by variable m.
Josh is represented by variable j.
Chau is represented by variable c.

m+j+c= 148
c=4m
j=m+10

Substitute for c and j for the first equation.
m+(m+10)+4m=148
6m+10=148
6m=138
m=23

Plug the known m value in
j=23+10
j=33

c=4(23)
c=92

Final answer: Melissa=23 messages, Josh=33 messages, Chau=92 messages
6 0
3 years ago
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