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Valentin [98]
2 years ago
5

PLZ HELP

Mathematics
1 answer:
Zigmanuir [339]2 years ago
8 0
I’m thinking 12. 5 times 12 is 60 which is divisible by 4 and 6. 1 times 12 is 12 which is divisible by 2. Hope that helps
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A toy maker claims his best product has an average lifespan of exactly 14 years. A skeptical quality control specialist asks for
slamgirl [31]

Answer:

interval = [17.3948 , 20.6052]

Step-by-step explanation:

given,

random sample (n) = 45

average product lifespan = 19 years

standard deviation = 4 years

confidence interval of 99 %  = ?

we know,

t* = qt(1.99/2 + 44 ) = qt(0.995,44)

t* = 2.692

so,

interval

x = 19 \pm t* \times (\dfrac{s}{\sqrt{n}})

x = 19 \pm 2.692 \times (\dfrac{4}{\sqrt{45}})

x = 19 \pm 2.692 \times 0.5963

x = 19 \pm 1.6052

interval = [19 - 1.6052 , 19 + 1.6052]

interval = [17.3948 , 20.6052]

4 0
3 years ago
Find the area of the figure.
Contact [7]

area of rectangle= 8*13=104m^2

base of the Triangle= 13 -(4+4)=5

area of Triangle = 5*6/2=15m^2

area of shaded shape =104-15= 89m^2

7 0
2 years ago
A college student takes out a $7000 loan from a bank. The bank charges 5,6% interest per year. How much will
hichkok12 [17]

Answer:

$392

Step-by-step explanation:

5.6% of $7000 is 392

4 0
2 years ago
Read 2 more answers
Solve the problem c=3.14d for d
Maksim231197 [3]

Answer:

c = 3.14d \\ d =  \frac{c}{3.14}

It's change of subject. :)

3 0
2 years ago
Please help fast:(((
Airida [17]
At the bottom of the motion: The potential energy of the spring is at a maximum since the spring is stretched at its maximum extension. The potential energy due to gravity is at a minimum, since the mass is lifted the least amount above ground.
3 0
2 years ago
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