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Airida [17]
3 years ago
11

Please help me, my teacher said that only 3 of them are right. so please get three right. please. The second file attached is th

e answers

Mathematics
2 answers:
iren [92.7K]3 years ago
4 0

Answer:

What are you supposed to do

Step-by-step explanation:

elixir [45]3 years ago
4 0
Yea what are u supposed to do we need more details!!!!!!
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Assume that​ women's heights are normally distributed with a mean given by mu equals 61.4 in​, and a standard deviation given by
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I think that the correct answer is A
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Explain what is the better buy. 1 litre of milk for 75p or 2 pints of milk for 75p. make sure to explain why.
Soloha48 [4]

Answer:

1 litre of milk for 75p

Step-by-step explanation:

1 pint ≈ 473 ml

2 pints = 2×473ml =  946 ml

1 l = 1000 ml

7 0
3 years ago
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A gumball machine has 220 red gumballs. If the red gumballs are 50% of the total number of gumballs, how many gumballs are in
JulijaS [17]
Answer:

440

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3 years ago
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express the limit as a definite integral on the given interval. lim n → [infinity] n ∑ i = 1 cos x i x i δ x , [ 2 π , 4 π ]
Lemur [1.5K]

The limit as a definite integral on the interval $\lim _{n \rightarrow \infty} \sum_{i=1}^n \frac{\cos x_i}{x_i} \Delta x$ on [2π , 4π] is $\int_{2\pi}^{4 \pi} \frac{\cos x}{x} d x$$.

<h3>What is meant by definite integral?</h3>

A definite integral uses infinitesimal slivers or stripes of the region to calculate the area beneath a function. Integrals can be used to represent a region's (signed) area, the cumulative value of a function changing over time, or the amount of a substance given its density.

Definite integral, a term used in mathematics. is the region in the xy plane defined by the graph of f, the x-axis, and the lines x = a and x = b, where the area above the x-axis adds to the total and the area below the x-axis subtracts from the total.

If an antiderivative F exists for the interval [a, b], the definite integral of the function is the difference of the values at points a and b. The definite integral of any function can also be expressed as the limit of a sum.

Let the equation be

$\int_a^b f(x) d x=\lim _{n \rightarrow \infty} \sum_{i=1}^n f\left(x_i\right) \Delta x$

substitute the values in the above equation, we get

= $\lim _{n \rightarrow \infty} \sum_{i=1}^n \frac{\cos x_i}{x_i} \Delta x$ on [2π, 4π],

simplifying the above equation

$\int_{2\pi}^{4 \pi} \frac{\cos x}{x} d x$$

To learn more about definite integral refer to:

brainly.com/question/24353968

#SPJ4

8 0
2 years ago
What is 3X +7 equals five
NNADVOKAT [17]

3x + 7 = 5

3x = 5 - 7

3x =  - 2

x =  \frac{ - 2}{3}

5 0
3 years ago
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