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andreyandreev [35.5K]
3 years ago
6

There are 15 boys and 15 girls at a party. Each boy shakes hands with exactly five people and each girl shakes hands with exactl

y seven people. How many handshakes were there in total?
Mathematics
2 answers:
VLD [36.1K]3 years ago
7 0

Answer:

180 hand shakes

Step-by-step explanation:

15 + 15 = 30

boys= 5x15 = 75

girls=7x15 = 105

75+105=180

180 handshakes in total

vlabodo [156]3 years ago
4 0

Answer:

180 I think

Step-by-step explanation:

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If 2/5 divided by blank = 1/2 what is blank
cestrela7 [59]
Hey There!

To find the blank you have to multiply \frac{2}{5} * \frac{1}{2}= \frac{1}{5}
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3 years ago
Resource Allocation You manage an ice cream factory that makes two flavors: Creamy Vanilla and Continental Mocha. Into each quar
vovikov84 [41]

Answer:

in order to use up all the eggs and cream, the number of quarts of each flavor that should be made is;

Creamy vanilla x = 200 quarts

Continental mocha y = 100 quarts

Step-by-step explanation:

Let x and y represent the number of quarts of Creamy Vanilla and Continental Mocha that should be made in order to use up all the eggs and cream respectively.

For Creamy Vanilla go 2 eggs and 3 cups of cream

For Continental Mocha go 1 egg and 3 cups of cream.

Total number of eggs = 500 eggs

Total number of cream cups = 900 cups.

For the eggs;

2 eggs × x + 1 egg × y = 500

2x + y = 500 .......1

For the cream cups;

3 cups × x + 3 cups × y = 900

3x + 3y = 900

Dividing through by 3

x + y = 300 .......2

Solving the simultaneous equation;

Subtracting equation 2 from 1

(2x + y) - (x+y) = 500-300

2x -x = 200

x = 200

Substituting x = 200 into equation 2;

200 + y = 300

y = 300 - 200

y = 100

Therefore, in order to use up all the eggs and cream, the number of quarts of each flavor that should be made is;

Creamy vanilla x = 200 quarts

Continental mocha y = 100 quarts

8 0
3 years ago
The radius of a circle is 3 inches . What is the circumference of the circle ?
Vlada [557]

Answer:

Option C

Step-by-step explanation:

Circumference of a circle is:

C=2\pi r

r - radius

We are given the radius of 3 inches.

C=2\pi r\\\\C=2(3)\pi \\\\C=\boxed{6\pi }

Option C should be the correct answer.

Hope this helps!

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3 years ago
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Answer:

She'll have to pay 4.8USD to get the bike

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3 years ago
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Answer:

blank 1: x-2

blank 2: y-12

blank 3: translation

Step-by-step explanation:

7 0
3 years ago
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