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bixtya [17]
3 years ago
10

Simplify 8a-5b-(6a-9b)

Mathematics
1 answer:
pychu [463]3 years ago
7 0

Answer:

<h2>2(a + 2b)</h2>

Step-by-step explanation:

8a - 5b - (6a - 9b)

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression.

8a - 5b - 6a + 9b

Collect like terms

2a + 4b

Factor out 2 from the expression

2(a + 2b)

Hope this helps...

Good luck on your assignment..

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4 1/7% = <br> what in decimal form
kykrilka [37]

Answer:

.0417

Step-by-step explanation:

.0 is 10th's place so if we had 50 percent it would be .5

.00 is ones place so 4 percent would be .04

.0000 is where fractions come in so 3 3/4 would be .00375

6 0
3 years ago
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What is the distance around a triangle with the sides measuring 2⅛, 3½ and 2½?
Marta_Voda [28]
So when you have data given this kind of form... you should convert to decimal first.
So that would be:
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7 0
3 years ago
Clothing donations are collected to help a family in need. The function g(x) represents the number of items collected where x is
ser-zykov [4K]

Answer:

No   g(x) = x/6     for (60, 10) to be a possible solution

by this function 60 people would have to donate 1/6th of a garment each to achieve 10 full garments

Step-by-step explanation:

g(x)   number of items

   x   number of people  

the data point (60, 10) make sense as a possilbe solution     NO

g(x) = number of items       x = 60   g(x) = 10

g(60) = x/6 = 10              

         = 60/10            

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4 0
2 years ago
Find the unit vector in the direction of v=(7,-3).<br> (enter exact answers with square roots)
navik [9.2K]

Answer:

\binom{ \frac{7 \sqrt{58} }{58} }{  \frac{ - 3 \sqrt{58} }{58} }

Step-by-step explanation:

First, find the magnitude of the vector:

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Then, divide each component of the vector by the magnitude to get the unit vector and rationalise:

unit \: vector =  \binom{ \frac{7}{ \sqrt{58} } }{ \frac{ - 3}{ \sqrt{58} } }  \\  =  \binom{ \frac{7 \sqrt{58} }{58} }{  \frac{ - 3 \sqrt{58} }{58} }

8 0
3 years ago
(x+6)(x-4)=
dalvyx [7]

Answer

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2. 2x²-1x-15

3. 6x²+19x+10

4. 2x²-11x+5

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