3 years ago

4+8= 2 x (6-3) Can somebody help me ASAP

Mathematics

1 answer:

kupik [55]3 years ago

8 0

Answer: 12≠6

False

Step-by-step explanation:

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Write the formula for an exponential function with initial value 300 and decay factor 0.73

postnew [5]

Answer: 300*0.73^x

Step-by-step explanation:

300 is the initial value and every time x goes up by 1, the value get multiplied by 0.73

when x=3

then the value would be 300*0.73*0.73*0.73 or 300*0.73^3

then for x amount of times the equation would be 300*(0.73 x times ) or 300*0.73^x

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3 years ago

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max2010maxim [7]

The answer is y=2/12

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3 years ago

Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a

olchik [2.2K]

Answer:

option (b) 0.0228

Step-by-step explanation:

Data provided in the question:

Sample size, n = 100

Sample mean, μ = $20

Standard deviation, s = $5

Confidence interval = between $19 and $21

Now,

Confidence interval = μ ± $z\frac{s}{\sqrt n}$

thus,

Upper limit of the Confidence interval = μ + $z\frac{s}{\sqrt n}$

$21 = $20 + $z\frac{5}{\sqrt{100}}$

z = 2

Now,

P(z = 2) = 0.02275 [From standard z vs p value table]

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Hence,

the correct answer is option (b) 0.0228

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3 years ago

Using the GCF factor the given expression: 21xy + 14y

MArishka [77]

Answer:

7y(3x+2)

you take out the 7y from both sides

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3 years ago

A total of 246 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t

kirza4 [7]

So here are your variables:

# of adult tickets= x
# of student tickets 2x

so x+2x= 246 and solve
3x=246
x=82 adult tickets were sold

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4 years ago