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2 years ago

The ordered pair (3, –1) is a solution of which system?

Mathematics

1 answer:

Alexxandr [17]2 years ago

4 0

Answer:

In your equation, put 3 where x is, and -1 where y is. If you get a true statement, like -8 = -8, or 69 = 69, then (3, -1) is a solution. If you get a false statement, like 9 = 21 or 10 = 420, then (3, -1) is not a solution.

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Find the greatest number of children to whom 125 pens 175 pencil can be divided equally.

Nataliya [291]

Answer:

25 children

So , each child will get 25 pens and 7 pencils

You have to find the highest common factor of 125 and 175 which is 25 and then you have to multiply it by those two numbers to find how may pens and pencils will be given to 1 child

Hope this helps and pls mark as brianliest :)

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2 years ago

Please help with the question linked below, giving out brainiest!

Alinara [238K]

Answer:

$rotation =2 \pi \: r \\ 75.36 = 2 \times 3.14 \times r \\ r = \frac{75.36}{2 \times 3.14} \\ r = 12 \: in$

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2 years ago

Read 2 more answers

Can someone explain why the ans is X=6? Its (x-6)

andrew-mc [135]

Answer:

because either x-6=0 or x+1=0

x-6=0

x=0+6

x=6 OR,

x+1=0

x=0-1

x=-1

Step-by-step explanation:

5 0

2 years ago

What is 0.000000008 in scientific notation

Zanzabum

Answer: 8 x (10 to the power of -7)

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the

If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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2 years ago

A cylindrical roller 2.5 m in length, 1.5 m in radius when rolled on a road was found to cover the area of 16500 m2 . How many r

eduard

Answer:

701 revolutions

Step-by-step explanation:

Given: Length= 2.5 m

Radius= 1.5 m

Area covered by roller= 16500 m²

Now, finding the Lateral surface area of cylinder to know area covered by roller in one revolution of cylindrical roller.

Remember; Lateral surface area of an object is the measurement of the area of all sides excluding area of base and its top.