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Leto [7]
3 years ago
8

Solve 5 over x plus 8 equals 3 over x for x and determine if the solution is extraneous or not.

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0
The solution is extraneous.
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If four students are selected at random, find the probability that all four rate their study habits as very good
maxonik [38]
Would depend on how many other students are in the class/school.
8 0
3 years ago
Let line A be the graph of 5x + 8y = -9. Line B is perpendicular to line A and passes through the point (10,10). If line B is th
frozen [14]
Find slope of line A:
Move into slope-intercept form y = mx+b

<span>5x + 8y = -9
8y = -5x - 9
y = (-5/8)x - 9/8

The slope of line A is -5/8.

If </span><span>Line B is perpendicular to line A, then

slope Line B = negative reciprocal of slope Line A</span>
<span>slope Line B = 8/5

So like B has the equation

y = (8/5)x + b

If it passes through (10,10), we know that when x = 10, y = 10. Use those values to solve for b:
</span>
<span>y = (8/5)x + b
10 = (8/5)·10 + b</span>
<span>10 = (8)·2 + b
10 = 16 + b
b = -6

So line B has equation </span>
<span>y = (8/5)x - 6

m = 8/5 and b = -6

so

m + b = 8/5 - 6 = 8/5 - 30/5 = -22/5

So m+b = -22/5 or -4.4 in decimal form
</span>
6 0
3 years ago
Can u tell me the answers? please quick
stepan [7]

Answer:

abcd not sure about e but e is irrational

Step-by-step explanation:

rational numbers are any finite number or decimal that doesn't terminate

a b c d are rational e is not

8 0
3 years ago
Hi I need to know the slope(m) before 11:00 I know the y-intercept(b) is -3
Alexxandr [17]

Answer:

slope is 2/3

Step-by-step explanation:

y=mx + b where m is the slope

6 0
2 years ago
Barry and Robin walk to Dunkin' Donuts each Saturday to meet for coffee and donuts. Barry walks the 2 miles from his house in 30
lbvjy [14]

Answer:

Barry travels 4mph. Robin travels 5mph. Therefore Robin is walking faster.

Step-by-step explanation:

2x2=4

36/60=0.6

0.2=1

0.2x5=1

1x5=5

6 0
2 years ago
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