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Sedaia [141]
3 years ago
5

on a test, laura completes the expressions shown. 4^3 x 3^5 = 12^8. what mistake did she make and what is the correct expression

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0
4^3= 4*4*4=64. 3^5= 3*3*3*3*3=243. 64*243=15,552. 12^8= 12*12*12*12*12*12*12*12= 429,981,696. 15,552≠429,981,696.
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Place
Anastaziya [24]

Answer:

P(A\ and\ B) = \frac{3}{7}

Step-by-step explanation:

<em>Your question is not well presented; (See Attachment for complete details)</em>

<em></em>

Required

Find P(A n B)

where

A = Event that the place is a city

B = Event that the place is in North

The first step is to get the sample space;

Let S represent the sample space;

S = \{India,\ Tokyo,\ Houston,\ Peru,\ New York,\ Tijuana,\ Canada \}

n(S) = 7

The next is to list events A and B

A = City

A = \{Tokyo,\ Houston,\ New York,\ Tijuana\}

B = North America

B = \{Houston,\ New York,\ Tijuana,\ Canada\}

The next is to list common elements in A and B

A\ n\ B = \{Houston,\ New York,\ Tijuana\}

n(A\ and\ B) = 3

The probability of A and B is calculated as follows;

P(A\ and\ B) = \frac{n(A\ and\ B)}{n(S)}

Substitute n(A\ and\ B) = 3 and n(S) = 7 in the expression above

P(A\ and\ B) = \frac{3}{7}

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3 years ago
Angeline bought s yards of satin fabric
maria [59]
Is that the whole question?
6 0
3 years ago
What is the product of 3x(x2 + 4)?<br> o x2 + 3x + 4<br> 3r3+ 4<br> O 3x + 12x<br> o 3x2 + 12x
Ipatiy [6.2K]

Answer:

Step-by-step explanation:

3x(x^2+4)

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Katyanochek1 [597]
The correct answer is 43. hope i helped:)
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Read 2 more answers
Y = 4x + 3<br> y = 2x − 4 <br> what is the system of equations?
borishaifa [10]

Answer: X=-7/2

               y=-11

Step-by-step explanation:

4x+3=2x-4

4x-2x=-4-3

2x=-7

x=-7/2

y=-7/2*2-4

y=-7-4=-11

4 0
3 years ago
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