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2 years ago

please help me I'll mark the brainliest please answer properly or else report , Thank you to who ever helps me

Mathematics

1 answer:

just olya [345]2 years ago

4 0

Answer:

a. 185 degrees Fahrenheit

b. 72.5 degrees Celsius

c. 82.05 degrees Celsius

d. 379.817 K

e. 347 degrees Fahrenheit

Correct me, If I am wrong :)

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Have a great day!

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(9×106)(8×10k)=7.2×1015, find k.

katrin2010 [14]

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Step-by-step explanation:

x = £FX/£F= 260+10k/40+k = 7.2

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2 years ago

Seven customers enter a clothing store and are observed to determine if they will make a purchase. The store owner states that t

blondinia [14]

Answer: Mean = 5.25

Variance = 1.3125

Standard deviation = 1.456

Step-by-step explanation:

The mean and variance of a binomial distribution with parameters n (number of trials) and p ( the probability of getting success in each trial) is given by :-

$\text{Mean}=np\\\\\text{Variance}=np(1-p)$

Given : The total number of enter a clothing store : n=7

The probability of a customer making a purchase= 0.75

Now,

$\text{Mean}=7(0.75)=5.25\\\\\text{Variance}=7(0.75)(0.25)=1.3125\\\\\Rightarrow\ \text{Standard deviation}=\sqrt{1.3125}=1.14564392374\approx1.1456$

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3 years ago

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ira [324]

Answer:

second box is 5 and third bo is 40 and forth box is 0.25 I think! Sorry if it’s wrong!

Step-by-step explanation:

you divide them all by four.

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2 years ago

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Find the area of the trapezoid.

riadik2000 [5.3K]

Answer:

Step-by-step explanation:

(Top bottom plus bottom bottom )× height divided by 2

(4+6)*6÷2=36

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3 years ago

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If f(x) = -3x4 - 2x3 + 3x2, and g(x) = 3x4 - 4x3 + x2 then f(x) + g(x) =

Alex_Xolod [135]

I'm assuming the the numbers coming after the variables are meant to be exponents, and if I'm wrong just let me know

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0 -6x^3 + 4x^2

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3 years ago

please help me I'll mark the brainliest please answer properly or else report , Thank you to who ever helps me ​

please help me I'll mark the brainliest please answer properly or else report , Thank you to who ever helps me