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Lilit [14]
4 years ago
14

Surface area of a sphere

Mathematics
1 answer:
notsponge [240]4 years ago
5 0

Answer:

50.27

Step-by-step explanation:

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If raisins cost $1.80 a pound. find 1/10 the chefs total cost for 100 pounds of raisins
olchik [2.2K]
1.80 per lb for 100 lbs = 1.80 * 100 = 180

1/10 * 180 = 180/10 = $  18 <==
5 0
4 years ago
Jacks mother gave him 50 chocolates to give to his friends for his birthday party. He gave 3 chocolates to each of his friends a
labwork [276]

Answer:

3x+2=50

There are 16 friends at Jack's party.

Step-by-step explanation:

Please consider the complete question.

Jack's mother gave him 50 chocolates to give to his friends at his birthday party. He gave 3 chocolates to each of his friends and still had 2 chocolates left. Write an equation to determine the number of friends (x) at Jack's party. Find the number of friends at Jack's party.  

Since there are x friends at party, so chocolate given to x friends would be 3 times x (3x) because Jack gave 3 chocolates to each friend.

As Jack has 2 chocolates left after giving to his friends, so total numbers of chocolates would be 3x+2.

Now we will equate total number of chocolates by 50 as:

3x+2=50

Therefore, the equation 3x+2=50 can be used to find number of Jack's friends.

Let us solve for x.

3x+2-2=50-2

3x=48

\frac{3x}{3}=\frac{48}{3}

x=16

Therefore, there are 16 friends at Jack's party.

5 0
3 years ago
Out of the 150 students at a summer camp, 72 signed up for canoeing. They were 23 students who signed up for trekking, and 13 of
FrozenT [24]
15% didn't sign up for canoeing or trekking
3 0
3 years ago
The value of √-9 is not -3 because_______.
Firlakuza [10]
B, because -3^2 is not -9. -3*-3 = 9, square roots of negative numbers aren't possible, because no number squared can be equal to them. Instead, they are expressed in terms of "i", which is defined as

i^2 = -1


7 0
3 years ago
Read 2 more answers
Lorraine invested $5500 in a savings account with a yearly interest rate of 6%
loris [4]
The answer is B) <span>$2,970  , because :

(5500*6\100) * 9  = 2970$</span>
4 0
3 years ago
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