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Alekssandra [29.7K]
3 years ago
12

Can you help me please?

Mathematics
1 answer:
wel3 years ago
3 0
The correct answer is true because the number do not repeat
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A line goes through the points (8,9) (-2,4)
SIZIF [17.4K]

Answer:

y-9=1/2(x-8)

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(4-9)/(-2-8)

m=-5/-10

m=1/2

y-y1=m(x-x1)

y-9=1/2(x-8)

8 0
2 years ago
1/2 + 2/5s = s - 3/4
kakasveta [241]

Answer:

25/12

Step-by-step explanation:

1/2 + 2/5s = s - 3/4

2/5s = s - 5/4

-3/5s = -5/4

s = 25/12

4 0
3 years ago
Assume that the growth rate of a population of ants is proportional to the size of the population at each instant of time. Suppo
Nutka1998 [239]
(1/A)  dA/dt=  C where A is the population of ants and C is a constant
ln(A) = C*t + C1 where C1 is another constant that comes out of integration and t is time in days.
Plugging in: at t=0, A= 100 so C1 = ln(100) = 4.605
at t=3, A=230 so ln(230) = 3*C +4.605 so C = 0.278
Final equation:
ln(A) = 0.278t + 4.605
or:
A = exp(0.278t + 4.605)
After 14 days, A = exp(0.278*14 + 4.605) = 4875.2
7 0
3 years ago
Question 6 Distance = 90 km, Time = 1 hour 30 minutes, speed = ? km/h = Question 10 please help​
olga_2 [115]

Answer:

60km/h

Step-by-step explanation:

90 ÷ 1.5

= 60

60 km/h

5 0
2 years ago
What is the value of x in this equation?
andre [41]
The value of x is
-4x + 8 = 42
-4x = 42 -8
-4x = 34
x = -8,5
8 0
3 years ago
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