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3 years ago

PLEASE HELP!!!!!!!

Mathematics

2 answers:

mrs_skeptik [129]3 years ago

5 0

Answer:

Step-by-step explanation:

Viefleur [7K]3 years ago

5 0

A the answer is A because they have the same ending

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Simplify the expression. 4(11 + 7) ÷ (7 – 5) 40 36 47 5

vodomira [7]

Answer:

Step-by-step explanation:

6 0

3 years ago

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I don’t get this please help ASAP

jek_recluse [69]

Answer:

AE = 70

Step-by-step explanation:

Given that ACE is a triangle and B , D , F are mid-points of AC, CE, AE respectively.

⇒ BF, FD, BD are mid-segments.

Mid-segment is a line segment joining mid points of two sides of a triangle,

And it as two properties :

1) mid-segment is always parallel to the third side

2) mid-segment is half in length of the third side

⇒ Here, BD is the mid-segment and is parallel to third side AE

And also BD is half of AE

⇒ AE = 2×BD = 2×35

⇒ AE = 70.

3 0

3 years ago

A store charges $12.50 for 5 boxes of cookies. A second store charges $8.00 for 4 boxes of cookies, but you have to buy a gallon

Pachacha [2.7K]

Answer:

Step-by-step explanation:

12.50-8.00=3.00

7 0

3 years ago

The caller times at a customer service center has an exponential distribution with an average of 10 seconds. Find the probabilit

ololo11 [35]

Answer:

0.9179 = 91.79% probability that a randomly selected call time will be less than 25 seconds

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

The probability that x is lower or equal to a is given by:

$P(X \leq x) = \int\limits^a_0 {f(x)} \, dx$

Which has the following solution:

$P(X \leq x) = 1 - e^{-\mu x}$

The probability of finding a value higher than x is:

$P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}$

In this question:

$m = 10, \mu = \frac{1}{10} = 0.1$

Find the probability that a randomly selected call time will be less than 25 seconds?

$P(X \leq x) = 1 - e^{-\mu x}$

$P(X \leq 25) = 1 - e^{-0.1*25} = 0.9179$

0.9179 = 91.79% probability that a randomly selected call time will be less than 25 seconds

4 0

3 years ago

(x+1)(x+2 multiplying binomials

Ugo [173]

(x + 1) (x + 2)

x² + 2x + x + 2

so your answer is:

x² + 3x + 2

6 0

3 years ago

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