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VMariaS [17]
2 years ago
8

Sam kept track of the number of problems he was assigned for his math homework on the box plot. A number line goes from 0 to 28.

The whiskers range from 4 to 26, and the box ranges from 11 to 26. A line divides the box at 15. Which statement must be true according to the box plot?
Mathematics
2 answers:
Vanyuwa [196]2 years ago
6 0

Answer:

I think its A

The data is symmetric and shows that half of the assignments contained 15 problems or fewer.

Step-by-step explanation:

Orlov [11]2 years ago
3 0

Answer:

A.

Step-by-step explanation:

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Which of the following is not a solution for x &lt; 8?<br><br> x = 9<br> x = 7.95<br> x = 4.3
faltersainse [42]
The answer is 9 because If x has to be less than 8 then it can’t be 9
3 0
2 years ago
Read 2 more answers
The 8th term of a GP is -7/32 find its common ratio if its first term is 28
Ugo [173]
<h2>Common ratio = -1/2</h2>

Step-by-step explanation:

       \text{8}^{th} term of a Geometric progression is given as \dfrac{-7}{32}. The first term is given as 28.

       Any general Geometric progression can be represented using the series a,ar,ar^{2},ar^{3},ar^{4}...\text{ }ar^{n-1}.

The first term in such a GP is given by a, common ratio by r, and the n^{th} term is given by ar^{n-1}.

       In the given GP, a=28;t_{8}=ar^{7}=\dfrac{-7}{32}\\\\28r^{7}=\dfrac{-7}{32}\\\\r^{7}=\dfrac{-1}{128}\\\\r=\dfrac{-1}{2}

∴ Common ratio is \dfrac{-1}{2}.

5 0
2 years ago
Anna set up a lemonade stand on her block over the summer. She recorded each day’s high temperature and the number of cups of le
Alexxx [7]

Answer:

Residual = -2

The negative residual value indicates that the data point lies below the regression line.

Step-by-step explanation:

We are given a linear regression model that relates daily high temperature, in degrees Fahrenheit and number of lemonade cups sold.

y = -34+ \frac{3}{5}  x

Where y is the number of cups sold and x is the daily temperature in Fahrenheit.

Residual value:

A residual value basically shows the position of a data point with respect to the regression line.

A residual value of 0 is desired which means that the regression line best fits the data.

The Residual value is calculated by

Residual = Observed value - Predicted value

The predicted value of number of lemonade cups is obtained as

y = -34+ \frac{3}{5} (95)\\\\y = -34+ 3 (19)\\\\y = -34+ 57\\\\y = 23

So the predicted value of number of lemonade cups is 23 and the observed value is 21 so the residual value is

Residual = Observed value - Predicted value

Residual = 21 - 23

Residual = -2

The negative residual value indicates that the data point lies below the regression line.

7 0
2 years ago
A jacket costs $35 and has an 8 percent tax rate. Which expression will find the cost of the tax on the jacket?
bagirrra123 [75]
Well there are no choices but the answer would be 
$35+8%
8% of $35 is $2.08
$35+$2.08=
the total of the jacket would be $37.08

4 0
2 years ago
Read 2 more answers
Ilana needs d more dollars to buy a new scrapbook that costs $8.35. She has $4.88. Solve the equation $4.88+d=$8.35 to find how
ArbitrLikvidat [17]

Answer:

d= $3.47

Step-by-step explanation:

$4.88+d=$8.35

-$4.88     -$4.88

d=$3.47

5 0
2 years ago
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