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Fed [463]
3 years ago
12

What number should be removed from the list {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} so that the mean of the remaining number

s is 7.25?
Mathematics
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

4 should be removed

Step-by-step explanation:

Just do a process of elimination and work through the numbers. \frac{1+2+3+5+6+7+8+9+10+11+12+13}{12}  =  7.25

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A group of tourists spend $168 to rent snorkels and find. A total of 10 snorkels and 12 pairs of fins are rented. Renting a snor
WITCHER [35]

Answer:

Cost to a rent a snorkel=\$ 12                ,           Cost on 10 rent  snorkel =\$ 120

Step-by-step explanation:

Given,

Tourist spend on rent snorkel and fin=\$ 168

10 snorkel and 12 pairs of fin

Let the cost to  rent a snorkel be =\$x

and cost of a pair of fin is =\$y

x=3y            (given condition)

10x+12y=168

10\times 3y+12y=168

30y+12y=168

42y=168

y=168/42

y=4

Cost of a pair of fin=  y=\$ 4

x=3y

x=3\times 4

x=12

Cost of rent a snorkel=\$ 12

Total cost of a rent snorkel

=10\times 12

   =\$ 168

5 0
2 years ago
Rational Numbers lbrainlyst if I get a B or more in 20 mins!!
Gnoma [55]

Answer:

1.) -5.1

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3.) Point C is the the opposite of -3.3

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Step-by-step explanation:


6 0
2 years ago
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Find the missing value.
Flauer [41]
It is six

because 6-2=4
8 0
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Step-by-step explanation:

6 0
3 years ago
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Stells [14]

Answer:

15 blocks

Step-by-step explanation:

We can use the Pythagorean theorem to solve the right triangle

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225= h^2

Taking the square root of each side

sqrt(225) = sqrt(h^2)

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7 0
3 years ago
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