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Molodets [167]
2 years ago
5

Subtract 4x^2-5xy+9y^2 from 6x^2+4xy-7y^2

Mathematics
2 answers:
just olya [345]2 years ago
6 0

Answer:

ok i got your answer you hath to take out all those x,y s and you will get this 4^{2}-5+9^{2}-6^{2}+4-7^{2}equals 11

Step-by-step explanation:

HOPE I HELPED PLZ GIVE ME A THANKS

mixer [17]2 years ago
5 0

2x2 - 16y2 + 9xy

(the 2 to the right of the x and y are small numbers i forgot what dey are called lol)

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3 years ago
Which equation is equal up to one-hundredth of 36? Is it 0.3*0.12 or 0.36÷0.12 or 0.3*1.2
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3 0
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6 0
2 years ago
Erm I don't understand-
Lana71 [14]

Answer:

1. (7+3)/2

2. 6, 3

3. 5/6

4. 500, 4000

Step-by-step explanation:

1. We are adding 7 and 3 so use the plus sign, THEN we divide by 2

Because we are adding first, put parentheses  

(7+3)/2

2. Nearest whole means whole number (so basically no decimal)

5.823 --> 6 (because 8 is closer to 10 than 0)

3.147 --> 3 (because 1 is closer to 0)

3. 1/3+1/2

Find a common difference, which is 6

Multiply to get 6

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1/2*3=3/6

3+2=5/6 (when adding keep denominator the same)

4. There are 100 centimeters in a meter

5*100= 500 centimeters

There are 1000 grams in a kilogram

4*1000= 4000 grams

Hope this helps, lemme know if somethings still unclear!!

6 0
3 years ago
Write the expression in radical form.
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I think it would be B
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