Write an expression using the variable n that could be used to determine the number of pebbles in figure n

Answers

Answer 1
Answer: The expression you could use would be n+_=n
Answer 2
Answer: the answer could be n+_=n
hope this helps :)

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Melissa wants to know if the number of words on a page in her geography book is generally more than the number of words on a page in her math book. She takes a random sample of 25 pages in each book, then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.Mean Median Mean Absolute Deviation Geography 48.9 41 9.2 Math 34.5 44 1.9 She claims that because the mean number of words on each page in the geography book is greater than the mean number of words on each page in the math book, the geography book has more words per page. Based on the data, is this a valid inference? Yes, because the mean is larger in the geography book No, because the mean is larger in the geography book No, because there is a lot of variability in the geography book data Yes, because there is a lot of variability in the geography book data
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Nira has $13.50. She receives a paycheck for $55. She spends $29.40. How muchmoney does she have now? SHOW YOUR WORK PLEASE!

Answers

13.50+55=68.568.50-29.40=39.10She now has $39.10
If  she has  $13.50 and she receives a paycheck for $55.  so first u  add 13.50 + 55 = 68.50. then  she sends 29.40 so u minus 68.50 - 29.40 = 39.1. So Nira has $39.10 left.

How to find the x intercept in slope intercept form

Answers


-- The x-intercept is the point where the line crosses the x-axis.
-- 'Y' is zero at every point on the x-axis. 
-- So  y=0  at the x-intercept.

You say that you have the equation of the line, and it's in
slope/intercept form ?
                                      Y = mx + b
 Great !  

Just set  y=0.   Then you have      mx + b = 0 .
Solve that for 'x' , and you have the x-intercept.

(It turns out to be    x = - b/m .  Always true, and a very handy formula
to remember if you can, and then you always have the x-intercept at
your fingertips whenever you need it.)


A race car decelerates from 125m/s to 25m/s in 10 seconds. What is the racecars declaration?

Answers

do u have the equation for deceleration
125-25=100
100 divided by 10 = 10
the race car decelerates by 10m/s

Max has scores of 70, 85, 69, and 74 on his algebra tests. Use an inequality to find the scores he must make on the final exam to pass the course with an average of 75 or higher, given that the final exam counts as two tests.

Answers

Maybe it is correct answer

How to work out math problem %of 50 shirts is 35 shirts

Answers

50 shirts is equal to 100% of the shirts right? So, to find what percentage 35 shirts is, you can divide 35 by 50 to get the decimal value of the percentage. This gives you 0.7, which is the same as 70%. 

35 shirts are 70% of 50 shirts.
"of' is multiplication.
"is" is equal.
So x% of 50 is 35 could be written as
x% * 50 = 35

The first step is to divide by 50 on both sides.
x% times 50 divided by 50 is x%.
35 divided by 50 is .7

So x% = .7.

The next step is to get rid of the percent sign to find the value of x (our answer). To do this, we multiply by 100 on both sides.
x% times 100 is x.
.7 times 100 is 70%.

So x = 70%.

The answer:
70% of 50 shirts is 35 shirts.

Can you guys please tell me if what I answered for both are right?

Answers

cant really see the first one, but the second one is correct.

at t=0;
h=-16(0)+40(0)+3
h=3
therefore the initial height is 3 feet, you are correct.