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Inessa05 [86]
3 years ago
12

What is 2+2 in math??

Mathematics
2 answers:
Korvikt [17]3 years ago
7 0

Answer:

4

Step-by-step explanation:

1+1+1+1=4

yKpoI14uk [10]3 years ago
6 0

Answer:

4

Step-by-step explanation:

1 + 1 + 1 + 1 = 4

2 + 1 + 1 = 4

3 + 1 = 4

4 = 4

4

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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}

7 0
3 years ago
Lauren coordinates a construction projects for a cement company. A government project requires constructing two rectangular conc
I am Lyosha [343]

Answer:

7

Step-by-step explanation:

Total concrete for slabs

24 * 24 * 1 = 576 ft³

Additional 20 %

By rule of three      

if     576       ⇒    100

        x??      ⇒     20           x = 115,2

And there are 2 slabs, the total volume of concrete is:

Q(t)  = 2* (576 + 115,2 )      Q(t)  =  1382,4 ft³   (1)

If the truck can carry a maximum of 8 yd³, as 1 ft³  = 0,037 yd³

then a truck can carry a maximum of

8/ 0,037   =  216,21 ft³

Now the total quantity is 1382,4

Then  

1382,4/216,21        =  6,39

And as nobody can send a fraction of a truck , the fewest number of truck is 7

5 0
3 years ago
Find the surface area??
Dennis_Churaev [7]

The surface area is

1020.22

6 0
3 years ago
Find the product. (n³) . (n⁵)⁴ ​
Alenkasestr [34]

Answer:

n^23

Step-by-step explanation:

n^3 · n^20 = n^23

6 0
2 years ago
What is 15.09 ÷ 0.01 = _______<br><br> This is a 5th grade question
Paladinen [302]

Answer:

1509

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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