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vlabodo [156]
3 years ago
8

What is the circumference of 18 cm

Mathematics
2 answers:
mel-nik [20]3 years ago
7 0

Answer:

56.57

Step-by-step explanation:

g.oogle

Llana [10]3 years ago
3 0
Answer 56.57 hope it was right
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7 marbles are in a bag 2 marbles are red and the rest are black how many marbles in bag are black
Nimfa-mama [501]

Answer:

5 marbles are black.

Step-by-step explanation:

7-2=5

7 0
3 years ago
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How many solutions does an equation have when the variable adds out and the final sentence is true?
salantis [7]

Answer:

Infinitely many solutions

Step-by-step explanation:

If we have a system of equation like:

2x+y=4

6x+3y=12

If we make y the subject in the first equation and substitute into the second equation, we get:

6x+3(4-2x)=12

We expand to get:

6x+12-6x=12

6x-6x+12=12

Now the variable adds out to give:

12=12

This statement is true so the equation has infinitely many solution.

7 0
4 years ago
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Kevin bowled 7 games last weekend. His scores are: 115, 165, 138, 172, 127, 193, 142. What is Kevin's median score?
Nataly [62]

Answer:

172.

Step-by-step explanation:

115, 165, 138, 172, 127, 193, 142

The median is the middle number, which is 172.

Uneven amount? Here’s a trick, 7 + 1 = 8 / 2 = 4, so the fourth number is the median.

3 0
3 years ago
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Why are expressions 3(y-2)+2(y-2) and 5(y-2) equivalent
AlladinOne [14]
3(y-2) + 2(y-2) = 5(y-2)

Both terms have the base (y-2), so they can be added together.
3 + 2 = 5
6 0
3 years ago
What best describes the relationship between the lines with equations y=3x+2y=3x+2 and y=−2x+14y=−2x+14?
Luda [366]
They both intercept at a single point, in a consistent system.
5 0
3 years ago
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