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Basile [38]
3 years ago
9

What is the lmc of 3 and 7

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

21

Step-by-step explanation:

3 times 7 is 21

7 times 2 is 14 and 3 doesn't go into that!

7 times 1 is 7 and 3 doesn't go into that either!

Can I have brainliest please, if not that's ok. :)

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slamgirl [31]

Answer:

a. 28/50

d. 10/52

e. 52/52

Step-by-step explanation:

a. half of deck is black add the two red jacks

d. all of even card (2,4,6,8,10 times 2 because 2 blacks per colour)

e. all cards are either red or black

5 0
3 years ago
Find the solution of the system of equations.
Alex17521 [72]

Answer:

the answer is Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(−17/2, -7)

Equation Form:x=-17/2 y=-7

5 0
3 years ago
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Pete sells a Party Pleaser pizza. He uses 12 oz of cheddar cheese and twice that amount of mozzarella cheese. How much cheese do
lisov135 [29]

Answer:

36oz

Step-by-step explanation:

12x2=24

24+12=36

4 0
3 years ago
Two families went to Rollercoaster World.
Alona [7]

Answer:

Children ticket cost $30 and adult ticket costs $40.

Step-by-step explanation:

Given that:

x = price of a child ticket

y = price of an adult ticket

According to given statement;

3x+2y=170     Eqn 1

4x+6y=360    Eqn 2

Multiplying Eqn 1 by 3

3(3x+2y=170)

9x+6y=510      Eqn 3

Subtracting Eqn 2 from Eqn 3

(9x+6y)-(4x+6y)=510-360

9x+6y-4x-6y=150

5x=150

Dividing both sides by 5

\frac{5x}{5}=\frac{150}{5}\\x=30

Putting x=30 in Eqn 1

3(30)+2y=170

90+2y=170

2y = 170-90

2y = 80

Dividing both sides by 2

\frac{2y}{2}=\frac{80}{2}\\y=40

Hence,

Children ticket cost $30 and adult ticket costs $40.

6 0
2 years ago
When the exponent blank is applied to a nonzero base, the result is always 1
Anestetic [448]

0

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7 0
3 years ago
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