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kirill115 [55]
3 years ago
6

I need help with this question I wasn’t sure on what to pick as the answer.

Mathematics
1 answer:
Arturiano [62]3 years ago
8 0

Answer: 7 5/7 (the bottom one)

Step-by-step explanation:

30 divided by 2 = 15 (do the same to 42 and get 21)

This then creates the fraction: 15/21

Now, divide this fraction by 3 and get 5/7

Add back in the seven because you aren't dividing the whole number.

Your final answer is now 7 and 5/7 (together: 7 5/7)

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5.1million x 2.9 thousand
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Answer:

fourteen billion seven hundred ninety millio

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3 years ago
5x^4-x^2+x-2 divided by x^2+2
tensa zangetsu [6.8K]

Answer:

5x6 - x4 + x3 + 2x2 - 2  

 ———————————————————————

           x2          

Step-by-step explanation:

5 0
3 years ago
Please help, there is a picture.
arlik [135]

Answer:

B (2.5, -0.5)

3 0
2 years ago
Is 19/9 a rational or irrational number
Darya [45]

Answer:

Rational.

Step-by-step explanation:

This is because

19 \div 9 = 2.1111111...

Where the product is a recurring decimal and recurring /repeating decimals are rational.

Hope this helps... :-)

7 0
3 years ago
Can you help me with this please​
marshall27 [118]

Answer:

a)  y = 2 x - 1

b)  y = - x + 7

c)  y = 7 x + 2

Step-by-step explanation:

Use a pair of (x1, y1) and (x2, y2) points to find the equation of the line for each tables:

a) (5, 9) and (10, 19)

slope: (y2 - y1) / (x2 - x1) = (19 - 9) / (10 - 5) = 10 / 5 = 2

Then  y = 2 x + b

solve for b in:  9 = 2 (5) + b

b = 9 - 10 = -1

Then   y = 2 x - 1

b) (2, 5) and (5, 2)

slope: (y2 - y1) / (x2 - x1) = (2 - 5) / (5 - 2) = -3 / 3 = -1

Then  y = - x + b

solve for b in:  5 = - (2) + b

b = 5 + 2 = 7

Then   y = - x + 7

c) (3, 23) and (6, 44)

slope: (y2 - y1) / (x2 - x1) = (44 - 23) / (6 - 3) = 21 / 3 = 7

Then  y = 7 x + b

solve for b in:  23 = 7 (3) + b

b = 23 - 21 = 2

Then   y = 7 x + 2

5 0
3 years ago
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