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8_murik_8 [283]
2 years ago
9

Find square of (6m-5n) by using formula.​

Mathematics
1 answer:
pshichka [43]2 years ago
4 0

Answer:

36m² -60mn +25n²

Step-by-step explanation:

Formula=(a-b)²=a²-2ab+b²

(6m-5n)²

=(6m)²- 2×6m×5n + (5n)²

=36m² -60mn +25n²

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There are 143076 books in the library. The 3rd grade class walked over and each kid checked out 2 books. There are 21 students i
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Answer:

The answer is: There are only 143034 books left after the students return to their classroom

Step-by-step explanation:

Lets call X= Number of books left in the library after the students return to their classroom.

B=Total of Books in the library

S=Total of books taken by the 3rd grade students

If each student  of the 3rd grage class take 2 books, the total of book taken by the 3rd grade students would be:

S=2 books per student * Total of students of the 3rdgrade

S=2*21=42

Then we must substract Total of Books in the library minus Total of books taken by the 3rd grade students. That would be:

X=B-S

X=143076-42

X=143034

I hope that this answer will help you

7 0
3 years ago
Use an equation to find the value of k so that the line that passes through the given slope (1,3) , (5,k) m=2
scoray [572]

Answer:

The value of k with given points and slop = 11

Step-by-step explanation:

Given that a line passes through two points having slop (m) = 2

co ordinates of points are (1 , 3)   and (5 , k)

Now slop of line can be written as,

Slop = \frac{(y2 - y1)}{(x2 - x1)}

Or, m =  \frac{(y2 - y1)}{(x2 - x1)}

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Or, 2 =  \frac{(k - 3)}{(4)}

So , k - 3 = 8

∴ K = 8+3 = 11

Hence the value of k with given points and slop = 11    Answer

5 0
2 years ago
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Answer:

D.

Step-by-step explanation:

When substituted and checked, the equation makes perfect sense with the coordinates.

4 0
2 years ago
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aliina [53]

Answer: $75

Step-by-step explanation:

5 0
2 years ago
josie and caitlin share sweets in the ratio 2:7 caitlin has 10 more sweets than josie how many sweets does caitlin have
MaRussiya [10]
Caitlin has 14 sweets.
4 0
2 years ago
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