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3 years ago

I need help.........

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

7 0

I need help to. Mine is confusing

iogann1982 [59]3 years ago

3 0

9.rational number
10. Rational numbers
11. Interger rational number
12 whole number interger rational number

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Use the normal distribution to approximate the following binomial distribution. A recent survey indicated that 55% of the people

madam [21]

Answer:

0.86 (Approx)

Step-by-step explanation:

Given:

n = 35

P = 55% = 0.55

Q = 1 - p = 0.45

Computation:

Standard deviation σ = √npq

Standard deviation σ = √(35)(.55)(.45)

Standard deviation σ = 2.9432

Mean μ = np = 35 x 0.55 = 19.25

p[(x-np)/ σ ]

P[z<1.04204]

= 0.86 (Approx)

7 0

3 years ago

Expand and simplify 2x(x-5)

Rasek [7]

Answer :

= 2x² − 10x

Step-by-step explanation:

= 2x(x − 5)

= (2x)(x + −5)

= (2x)(x) + (2x)(−5)

= 2x² − 10x

4 0

3 years ago

I need help please. What are the answers at least for the first one. Please help.

Vikki [24]

The first box is 1
the second box is 50
the third box is 8
you’re welcome

3 0

3 years ago

Read 2 more answers

The midpoint of the line segment at (1,7) and (5,5) is A) (3,6) B) (2,6) C) (3,1) D) (2,1)

hammer [34]

Answer:

A) (3,6)

Step-by-step explanation:

Let M be the midpoint of the line segment at (1,7) and (5,5). Then:

$\mathsf{M\left(\dfrac{1+5}{2},\dfrac{7+5}{2}\right)}=\\=\mathsf{M\left(\dfrac{6}{2},\dfrac{12}{2}\right)}=\\=\mathsf{M\left(3,\,6\right)}$

5 0

4 years ago

Good afternoon everyone Evaluate the expression for b = –14. b + 4 =

Viefleur [7K]

Answer: [b + 4 = -10]

Step-by-step explanation: We are given the equation b = -14 and told to, given this information, evaluate b + 4 = ? and find ?. Given b = -14 we can plug in -14 for b in b + 4 = ?. This gives us -14 + 4 = ?. Adding this up gives us the answer of -10. Hope that this makes sense and helps, and good afternoon to you!

-Show work-

$b=-14\\(b)+4=?$

$(-14)+4=?$

$10 = ?\\?=10$

4 0

3 years ago