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Strike441 [17]
3 years ago
5

What is 8/9 x 7/8 ? Please help!!!

Mathematics
2 answers:
taurus [48]3 years ago
7 0
The answer is 7/9 or in decimal form, 0.777...

You can do this problem by multiplying the two numerators and the two denominators. In this case, there's an 8 in the numerator of the first fraction, and another 8 in the denominator of the second fraction, so they can cancel each other out, leaving you with 7/9.

Hope this helped!! xx
Lostsunrise [7]3 years ago
4 0
56/72 = 28/36= 14/18= 7/9
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Answer:

y=-\frac{1}{3} x+5

Step-by-step explanation:

Notice that the answers they give you to choose from are all lines in slope y-intercept form, it would be very simple to just find the answer finding yourself the slope and y-intercept of the line in question.

Since they give you two points (x_1,y_1) and  (x_2,y_2) for the line, use them to find the slope of the line that goes through them, with the formula:  slope=\frac{y_2-y_1}{x_2-x_1} =\frac{7-6}{-6-(-3)} =\frac{1}{-3} =-\frac{1}{3}

Therefore, the slope of the line must be -\frac{1}{3}

Now, find the y-intercept (b) using the general form of a line with the given slope:

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

Use one of the given coordinate points to request that the line passes through it. For example, through the point (-3,6) (when x = -3, y must be 6):

y=-\frac{1}{3} x+b\\6=-\frac{1}{3}(-3)+b\\6=1+b\\b=6-1=5

then the y-intercept must be 5. Therefore our line is : y=-\frac{1}{3}x +5 which appears listed as your second choice.

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4 years ago
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