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elena-s [515]
2 years ago
12

Design an ER diagram for keeping track of information about votes taken in the U.S. House of Representatives during the current

two-year congressional session. The database needs to keep track of each U.S. state's name (e.g., Texas', New York', California') and include the region of the state (whose domain is {Northeast', Midwest', Southeast', Southwest', West'}). Each congress person in the House of Representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {Republican', Democrat', 'Independent', Other'}). The database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {Yes', No'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). The database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {Yes', No', Abstain', Absent'}). Additional information:
Mathematics
1 answer:
inn [45]2 years ago
7 0

Answer:

You have worked cut out for you but have a good day :)!!!!!!!!

Step-by-step explanation:


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Tanisha and Neal are simplifying the expression . They each began the same way. Tanisha’s Work Neal’s Work Which statements are
valentina_108 [34]

Answer:

The correct simplified answer is \frac{1}{8} \left (\frac{x}{ y}  \right )^{8} or  \frac{x^8}{81\cdot y^8}

Step-by-step explanation:

Here we have the expression as

\left (\frac{(x^4)(y^{-5})}{3(x^2)(y^{-3})}   \right )^{4}

Tanisha's work

\left (\frac{(x^4)(y^{-5})}{3(x^2)(y^{-3})}   \right )^{4} = \left (\frac{(x^2)(y^{-2})}{3}   \right )^{4}

Neal's work is

\left (\frac{(x^4)(y^{-5})}{3(x^2)(y^{-3})}   \right )^{4} = \left (\frac{(x^{16})(y^{-20})}{3^4(x^8)(y^{-12})}   \right )

The correct simplified answer is   \frac{x^8}{81\cdot y^8}.

which can also be expressed as

\frac{1}{8} \left (\frac{x}{ y}  \right )^{8}

Both form represent simplified forms of the original equation.

8 0
2 years ago
Read 2 more answers
A= 49 sq. in.<br><br> Find the value of x. If necessary, round to the nearest tenth.
BlackZzzverrR [31]

Answer:

9.90 inches

Step-by-step explanation:

Area of a triangle is equal to base times height divided by 2.

bh/2

Base and height is x.

xx/2=49

Solve for x.

x^2=49 \times 2

x^2=98

x=\sqrt{98}

x=9.899495

8 0
2 years ago
Read 2 more answers
I have 30 ones 2thousands 4hundred thousands , 60 tens and 100 hundreds what number am I ?
viva [34]

Answer:

Step-by-step explanation:

Units = 30

Thousands = 2,000

Hundreds of Thousands = 400,000

Tens = 60

Hundreds = 100

HTHHTU

400,000

    2,000

       100

         60

<u>          30</u>

<u>402,190</u>

7 0
2 years ago
Read 2 more answers
The national average for mathematics SATs in 2011 was 514 and the standard deviation was approximately 40. a) Within what bounda
blondinia [14]

Answer:

0.75 = 1-\frac{1}{k^2}

If we solve for k we can do this:

\frac{1}{k^2}= 1-0.75=0.25

\frac{1}{0.25}= k^2

k^2 =4

k =\pm 2

So then we have at last 75% of the data withitn two deviations from the mean so the limits are:

Lower = \mu -2\sigma = 514- 2*40=434

Upper = \mu +2\sigma = 514 + 2*40=594

Step-by-step explanation:

We don't know the distribution for the scores. But we know the following properties:

\mu = 514 , \sigma =40

For this case we can use the Chebysev theorem who states that "At least 1 -\frac{1}{k^2} of the values lies between \mu -k\sigma and \mu +k\sigma"

And we need the boundaries on which we expect at least 75% of the scores. If we use the Chebysev rule we have this:

0.75 = 1-\frac{1}{k^2}

If we solve for k we can do this:

\frac{1}{k^2}= 1-0.75=0.25

\frac{1}{0.25}= k^2

k^2 =4

k =\pm 2

So then we have at last 75% of the data withitn two deviations from the mean so the limits are:

Lower = \mu -2\sigma = 514- 2*40=434

Upper = \mu +2\sigma = 514 + 2*40=594

4 0
2 years ago
Leah borrows £10,000 over 5 years at a simple interest rate of 15%.
Fynjy0 [20]

Answer:

She will pay $7,500 interest over the 5 years

She will have to pay back $17,500 in total

Step-by-step explanation:

Let us revise the rule of the simple interest

<em>I</em> = <em>Prt</em> and <em>A</em> = <em>P</em>(1 +<em> rt</em>) , where:

  • A = Total Accrued Amount (principal + interest)
  • P = Principal Amount
  • I = Interest Amount
  • r = Rate of Interest per year in decimal
  • t = Time Period involved in months or years

∵ Leah borrows £10,000 over 5 years at a simple interest rate of 15%.

∴ P = 10,000

∴ t = 5

∴ r = 15% = \frac{15}{100} = 0.15

→ Substitute them in the first rule to find the interest

∵ I = 10,000(0.15)(5)

∴ I = 7,500

∴ She will pay $7,500 interest over the 5 years

→ Let us find A

∵ A = 10,000(1 + 0.15×5)

∴ A = 17,500

∴ She will have to pay back $17,500 in total

5 0
2 years ago
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