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madam [21]
3 years ago
14

Write an expression that is equal to -(16-9)

Mathematics
2 answers:
Allushta [10]3 years ago
6 0
- (16 - 9) = -16 + 9 = - 7
statuscvo [17]3 years ago
6 0
An equivalent expression to -(16-9) would be 9-16 or -16 + 9. Solve by distribution.
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How to find slope and y intercept 6x-5y=15?
iogann1982 [59]
We need to put this equation in y = mx + b form because in this form, the slope will be in the m position and the y intercept will be in the b position. So basically, we solve for y.

6x - 5y = 15 ....subtract 6x from both sides
-5y = -6x + 15...divide both sides by -5
(-5/-5)y = (-6/-5)x + (15/-5)...simplify
y = 6/5x - 3

y = mx + b...remember, m is ur slope and b is ur y int
y = (6/5)x + (-3).....ur slope(m) = 6/5 and ur y int (b) = -3
7 0
3 years ago
The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mea
Archy [21]

Answer:

Step-by-step explanation:

Given data:

\mu = 473

standard deviation is \sigma=  28

As distribution is normal in shape and values are symmetrical

The standard deviation rule says that 95% of observation lies between the second standard deviation of the mean

so, approximately only 5% of observation lies outside the interval and normal shape is symmetric. hence approximately 0.15% of observation lies above the interval

             = \mu + 2\times \sigma

             = 473 + 2\times 28 = 529

almost 0.15% of students spent more amount is 529

6 0
3 years ago
PLEASE HELP ME <br> *algebra 2*
Blizzard [7]
I hope this helpss.

8 0
3 years ago
Hi. I have been doing really bad at math. I have a "tutor" and I study for hours yet I get F's on all my quizzes. I really need
Damm [24]

Answer:

just practice time and again practice might not make perfect but it surely makes better. relying when your teacher only might not help you must mostly rely on your hard work and also have people at your disposal to help you including the said teacher hope you'll improve

7 0
3 years ago
You would like to join a fitness center. Fit-N-Trim charges $80 per month. Fit-For-Life charges a one tim e membership fee of $7
Y_Kistochka [10]
I don't do good with slope intercept, but I can tell you that Fit n Trim would be $80m and Fit for Life would be $75+55m. 
6 0
3 years ago
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