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shusha [124]
3 years ago
10

A coin is flipped five times find the number of possible sets of heads and tails that have 0 heads

Mathematics
1 answer:
Rama09 [41]3 years ago
8 0
It would have 5 tails because it was flipped 5 times and had 0 heads
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Solve using the unit rate problems find the constant speed 1,200 feet in 48 seconds
Sati [7]
25 feet per second. or 17.0455mph. take 1200 divided by 48
8 0
3 years ago
The data show the list and selling prices for several expensive homes. Find the regression​ equation, letting the first variable
asambeis [7]

Answer:

The best predicted selling price of a home having a list price of ​$22 million is $20.52 million.

Step-by-step explanation:

The missing data is:

List price (<em>x</em>) (millions of $)  

(1) 1.6 (2) 4.2 (3) 2.1 (4) 1.6 (5) 2.3 (6) 4  

Selling price (<em>y</em>) (millions of $)

(1) 2 (2) 4.6 (3) 1.8 (4) 1.9 (5) 2.4 (6) 3.6

Use Excel to perform the regression analysis.

The significance level is, <em>α</em> = 0.05.

The regression output is attached below.

The regression equation is:

\hat y=0.28+0.92x

The value of <em>t</em>-statistic is:

<em>t</em> = 0.676.

The <em>p</em>-value is:

<em>p</em>-value = 0.536

Compute the predicted selling price of a home having a list price of ​$22 million as follows:

\hat y=0.28+0.92x

  =0.28+0.92\times 22\\\\=0.28+20.24\\\\=20.52\ \text{million}

Thus, the best predicted selling price of a home having a list price of ​$22 million is $20.52 million.

8 0
3 years ago
Mrs. Lavetan has 45 to complete her writing paper. She spend 10 and 1/8 min to planning her paper and 15 and 1/2 minutes weighti
Flura [38]

Answer: 20 minutes

Step-by-step explanation:

She has 45 mins to complete her writing paper.

She spends: 10\frac{1}{8} minutes to plan her paper.

She spends: 15\frac{1}{2} minutes writing rough drafts.

How much time left does she have?

45-(10\frac{1}{8} +15\frac{1}{2})

45-(10+15(\frac{1}{8}+\frac{1}{2}))

45-(25\frac{(1)(2)+(8)(1)}{(8)(2)})

45-(25\frac{2+8}{16} )

45-(25\frac{10}{16}) Simplify the fraction.

45-(25\frac{5}{8})

45-25(\frac{5}{8})

So she has approximately,

20\frac{5}{8} =\frac{165}{8}= 20 minutes.

8 0
4 years ago
Three times a quantity decreased by fourteen
Kisachek [45]
3(x)-14                        3(1)-14 

3x-14                             3-14 
 
                                         -11 



8 0
3 years ago
Which of these might describe expenses for a student? Select all that apply.
lubasha [3.4K]

Answer:

Foods and shoes thats it

Step-by-step explanation:

8 0
3 years ago
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