3 years ago

True or false? Multiplying a number by itself creates as “perfect square”.

Mathematics

1 answer:

Mandarinka [93]3 years ago

3 0

Answer:

true

Step-by-step explanation:

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The difference of two numbers is 3. Their sum is 13. Write a pair of simultaneous equations in x and y to represent this informa

Solnce55 [7]

Answer:

x-y=3

x+y=13

2x=16

x=16/2

x=8

x+y=13

8+y=13

y=13-8

y=5

6 0

3 years ago

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Muriel says she has written a system of two linear equations that has an infinite number of solutions. One of the equations of t

Vanyuwa [196]

An infinite number of solutions means a coincident line...it is the same line
3y = 2x - 9...divide by 3
y = 2/3x - 3...hmm...same line as answer choice b....they are coincident lines and have infinite solutions

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4 years ago

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AWARDING BRANLIEST TO FIRST CORRECT ANSWER!!! A train was carrying 560 passengers. This was 4/5 of its capacity. How many passen

Step2247 [10]

Answer:

700 passengers

Step-by-step explanation:

4/5 = 560

(÷4) (÷4)

1/5 = 140

560 + 140 = 700

I hope this helps <3

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4 years ago

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xenn [34]

The answer is C for that question

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4 years ago

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A box contains 1414 large marbles and 1111 small marbles. Each marble is either green or white. 66 of the large marbles are gree

Luba_88 [7]

Answer:

0.9739

Step-by-step explanation:

We have 1111+1414=2525 marbles, and

44 small white matbles and

1414-66=1348 big white marbles.

So we have 44+1348=1392 white marbles.

The probability to choose small marbles is P(s)=1111/2525=0,44

The probability to choose white marbles is:

P(w)=1348/2525=0,5513.

The probability to choose small and white is:

P(s and w)=44/2525=0,0174

The probability to choose small or white is:

P(s or w)= P(s)+P(w)-P(s and w)=0,44+0,5513-0.0174=0,9739

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3 years ago