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boyakko [2]
3 years ago
9

Which expression is equivalent to (s+7) + 8 by the Associative Property of Addition? *

Mathematics
2 answers:
Maurinko [17]3 years ago
7 0
An equivalent expression would be s+15


You simplify the expression.

So yea the answer is s+15
igor_vitrenko [27]3 years ago
7 0
S+15




Hope this helps ya
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If the gradient of a line joining the points (-2, 6) and (5, b) is 14.<br> Find the value of b.
babunello [35]

Answer:

b = 104

Step-by-step explanation:

Slope is expressed as;

m = y2-y1/x2-x1

14 = b - 6/5-(-2)

14 = b - 6/5+2

14 = b-6/7

Cross multiply

b-6 = 14 * 7

b - 6 = 98

b  = 98 + 6

b = 104

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3 years ago
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AlexFokin [52]

Answer:

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square bracket means it includes the end point.

Step-by-step explanation:

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3 years ago
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Ket [755]

Answer:

y = \frac{1}{3x-1}

Step-by-step explanation:

Given

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y(1 - 3x) = - 1 ( divide both sides by 1 - 3x

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y = \frac{1}{3x-1}

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3 years ago
Help me out please!!??!
pochemuha
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Bas_tet [7]

Answer:

<em>Answer</em><em> </em><em>is</em><em> </em><em>option</em><em> </em><em>d</em><em> </em>

Step-by-step explanation:

given \: expression \: is \:  {(x - 3)}^{2}  = 5 \\  {x}^{2}  - 6x + 9 = 5 \\ subtracting \: 5 \: on \: both \: sides \: we \: get \\  {x}^{2}  - 6x + 4 = 0 \\ on \: solving \: the \: quadratic \: equation \: by \\  \: completing \: square \: method \\  {x}^{2}  - 6x =  - 4 \\ adding \:  {3}^{2} on \: both \: sides \: w e\: get \\  {x}^{2}  - 6x +  {3}^{2}  =  {3}^{2}  - 4 \\  {(x - 3)}^{2} = 5 \\ x - 3 + =    \sqrt{5}  \\ x =  \sqrt{5 }  + 3

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

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3 years ago
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