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3 years ago

What is 7x(5+8) in distributive property

Mathematics

1 answer:

frutty [35]3 years ago

5 0

Answer:

91 is 7x(5+8) in distributive property.

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The following data were given in a study of a group of 1000 subscribers to a certain magazine. In reference to job, marital stat

kozerog [31]

Answer:

$(a)$ $P(M\ or\ P\ or\ C) = 1.307$

(b) See Explanation

Step-by-step explanation:

Given

$P = 312$ ---- Professionals,

$M = 470$ ----- Married persons,

$C = 525$ ---- College graduates,

$PCG = 42$ ----- Professional college graduates,

$MCG = 147$ ----- Married college graduates,

$MP = 86$ ---- Married professionals,

$MPCG = 25$ ---- Married professional college graduates

$Total =1000$

Solving (a): P(M or P or C)

This is calculated as:

$P(M\ or\ P\ or\ C) = P(M) + P(P) + P(C)$

$P(M\ or\ P\ or\ C) = \frac{n(M) + n(P) + n(C)}{Total}$

$P(M\ or\ P\ or\ C) = \frac{470 + 525 + 312}{1000}$

$P(M\ or\ P\ or\ C) = \frac{1307}{1000}$

$P(M\ or\ P\ or\ C) = 1.307$

(b) In probabilities, the probability of an event or collection of events must not exceed 1 and must not go below 0.

In (a) above, the calculated probability exceeds 1.

Because of this single reason, the collected data is incorrect

4 0

2 years ago

1 and 5/8 + Blank = 5 7/24

Lynna [10]

Answer:

The answer should be 4 2/16

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Rachel pays $131.44 for a desk, including tax. The tax is 31 cents less than 1 16 the desk's price. What is the price for the de

geniusboy [140]

Answer:

$ 124

Step-by-step explanation:

Given,

The total paid amount = $ 131.44,

Let x be the original price of desk ( in dollars ),

∵ The tax is 31 cents less than 1/16 the desk price.

So, tax = $\frac{1}{16}x - 0.31$ ( 1 dollar = 100 cents ⇒ 1 cent = 0.01 dollar ),

Thus, the total amount paid = original price of desk + tax

$=x + \frac{1}{16}x - 0.31$

$\implies x + \frac{1}{16}x - 0.31 = 131.44$

$\frac{16x + x}{16}=131.44 + 0.31$

$\frac{17x}{16}=131.75$

$\implies x =\frac{131.75\times 16}{17}=7.75\times 16 = 124$

Hence, the price of desk before tax would be $ 124.

4 0

3 years ago

F(x) = x^3 + x^2-5x-6 at x=2

Ne4ueva [31]

Answer:

3^2+2^2-5×2-6

9+4-10-6

-3

Step-by-step explanation:

-3 is the answer

7 0

3 years ago

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Please Help!!!

cluponka [151]

Ummmmm I think my neighbor will know the answer. They a 9th grade math teacher

8 0

3 years ago

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