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almond37 [142]
4 years ago
6

a random sample of 20 high school students was surveyed and asked "how long does it take you to get ready for school in the morn

ing?" Which of the following measure is most resistant to the addition of an extreme outlier?
Mathematics
1 answer:
Ksivusya [100]4 years ago
8 0

Answer:

where are the choices

Step-by-step explanation:


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The length of a rectangle is 2 inches more than 4 times the width. The perimeter is 64 inches. Find the length and the width.
pashok25 [27]
<span>The width is 6 inches and the length is 26 inches.

Explanation:
L=4w+2, since the length is 2 more than 4 times the width.

The perimeter is given by P=2L+2w; using our equation for L, we have
P=2(4w+2)+2w.

Using the distributive property, we have
P=2*4w+2*2+2w
P=8w+4+2w.

Combining like terms, we have P=10w+4.

We know the perimeter is 64, so we have
64=10w+4.

Subtract 4 from both sides:
64-4=10w+4-4
60=10w.

Divide both sides by 10:
60/10 = 10w/10
6=w.

Substitute this into the equation for length: L=4*6+2=24+2=26</span>
5 0
3 years ago
Read 2 more answers
It costs $7.15 to rent a kayak for 1 hour at a local state park. The price per hour stays the same for up to 5 hours of rental.
Damm [24]

Answer:

$41.50

Step-by-step explanation:

multiply $7.15 by 5 for every hour then add the $5.75 to show how it decreased which will give you $41.50 for 6 hours

4 0
3 years ago
Read 2 more answers
Transform the kilometers into percentages pls
bazaltina [42]
Percentages? Are you sure that’s not a mistake
4 0
3 years ago
I really need help on this question if anyone could help
miss Akunina [59]

Answer:

7986 square meter.

Step-by-step explanation:

Cut the composite shape into two shapes.

One rectangle and one triangle.

Rectangle area = 102×66 = 6732

A=lw

Triangle area = 66×(140-102)×1/2 = 1254

A=bh \times 1/2

Add the areas of the two shapes.

6732 + 1254 = 7986

8 0
3 years ago
F $1,000 is deposited in a certain bank account and remains in the account along with any accumulated interest, the dollar amoun
Whitepunk [10]

Answer:

(1) The annual interest rate is 10%, that is greater than 8%

(2) The annual interest is bigger than 22.47% and that is greater than 8%

Step-by-step explanation:

We have the equation:

I=1,000((1+\frac{r}{100} )^{n} -1)

Where I is the earns in interest, n is the number of years and r is the annual interest rate.

For the first case, we can replace I by $210 and n by 2 as:

210=1,000((1+\frac{r}{100} )^{2} -1)

Solving for r, we get:

\frac{210}{1,000} = (1+\frac{r}{100})^{2} -1

0.21 +1 = (1+\frac{r}{100})^{2}

1.21 = (1+\frac{r}{100})^{2}

\sqrt{1.21} = 1 + \frac{r}{100}

\sqrt{1.21} - 1 = \frac{r}{100}

(\sqrt{1.21} - 1)100=r

10=r

So, for the first case, the interest rate paid by the bank is 10% and it is greater than 8%

For the second case, we need to take the equation and solve for r as:

(1+\frac{r}{100} )^{2} >1.5

1+\frac{r}{100} > \sqrt{1.5}

\frac{r}{100} > \sqrt{1.5}-1

r > (\sqrt{1.5}-1)*100

r > 22.47

So, for the second case the rate need to be bigger than 22.47% and that is bigger than 8%

5 0
3 years ago
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