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Fittoniya [83]
3 years ago
6

Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 multiple ch

oice questions correct and received 19 points for her essay. Ezia got 15 multiple choice questions correct and received 31 points for her essay.
How many points was each multiple choice question worth?
Enter your answer in the box.
Mathematics
2 answers:
klemol [59]3 years ago
6 0
I think its 91. hope this helps


Paul [167]3 years ago
5 0
I think its 91.

NOT Guaranteed this is the Answer. Best of luck to you.
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A poll shows that 41% of voters in a city favor of a $0.0.1 tax increase. If 25 voters are selected at random, what is that exac
juin [17]

Answer:

The probability is 0.026 to 3 d.p

Step-by-step explanation:

To calculate this , we shall be using the Bernoulli approximation.

let P = percentage of voters supporting the increase = 41% = 41/100 = 0.41

q = percentage of voters not supporting = 100-41% = 59% = 59/100 = 0.59

Now we want to calculate that exactly 15 out of 25 will vote in favor

Mathematically that would be ;

25C15 p^15 q^10

= 25C15 0.41^15 0.59^10

= 0.025981307443 or simply 0.026 to 3 decimal places

5 0
3 years ago
Simplify the expression. Assume that all variables represent nonzero real numbers.StartFraction (4 n Superscript 4 Baseline q Su
Alja [10]

Answer:

\frac{ - 3}{ 256  {q}^{10} {n}^{8}  }

Step by step explanation:

\frac{ {(4 {n}^{4} {q}^{5})}^{2}  {(8 {n}^{4} q)}^{-2} }{  {(- 3 {nq}^{9})}^{ - 1}   {(4 {n}^{3} {q}^{9})  }^{3} }

first we will change the terms with negative superscrips to the other side of the fraction

\frac{{(4 {n}^{4} {q}^{5})}^{2}{(- 3 {nq}^{9})}^{ 1}}{{(4 {n}^{3} {q}^{9})}^{3} {(8 {n}^{4} q)}^{2} }

then we will distribute the superscripts

\frac{ {4}^{2} {n}^{2 \times 4} {q}^{2 \times 5} (- 3) {nq}^{9}}{ {4 }^{3}{n}^{3 \times 3} {q}^{9 \times 3} {8 }^{2}{n}^{4 \times 2}  {q}^{2} }

\frac{ {4}^{2} {n}^{8} {q}^{10} (- 3) {nq}^{9}}{ {4 }^{3}{n}^{9} {q}^{27} {8 }^{2}{n}^{8}  {q}^{2} }

as when multiplying two powers that have the same base, we can add the exponents and, to divide podes with the same base, we can subtract the exponents

{4}^{2 - 3}  {q}^{10  + 9 - 2 - 27}  {n}^{8 + 1 - 8 - 9}  {8}^{ - 2}  { (- 3)}^{1}

{4}^{ - 1}  {q}^{ - 10}  {n}^{ - 8}  {8}^{ - 2}  { (- 3)}^{1}

then we will change again the terms with negative superscrips to the other side of the fraction

\frac{ - 3}{ 4 \times  {8}^{2}  {q}^{10} {n}^{8}  }

\frac{ - 3}{ 256  {q}^{10} {n}^{8}  }

4 0
3 years ago
Olivia needs 34 inches of copper wire for an experiment. The wire is sold by the centimeter. Given that 1 inch = 2.54 centimeter
Pani-rosa [81]

Answer:

86.36cm

Step-by-step explanation:

1 inch = 2.54 cm

34 inch = ???

multiply 34 and 2.54 ( like X )

34×2.54 = 86.36cm

7 0
3 years ago
Read 2 more answers
In business, the formula for debt ratio is Debt Ratio = Total Liabilities / Total Assets. A bakery has a total assets of $465 mi
xeze [42]

The formula is given as: Debt Ratio = Total Liabilities / Total Assets.


You are told the assets are 465 million and liabilities is 130 million.


Putting the given numbers in the formula you have:

Debt Ratio =  130/465

Simplify by dividing both numbers by 5:


130/465 = 26/93

7 0
3 years ago
Read 2 more answers
Which coordinate pair represents the reflection of (-4, 6) across the x-axis?
bagirrra123 [75]

Answer: C. (-4, -6)

Step-by-step explanation:

          To figure out what the coordinate pair of (-4, 6) reflected across the x-axis is, we will use (x, y) ➜ (x, −y). This means the sign (+ or -) of the x-coordinate will stay the same, but the y-coordinate will change.

(x, y) ➜ (x, −y)

(-4, 6) ➜ (-4, -6)

<em>See attached for a graph.</em>

5 0
1 year ago
Read 2 more answers
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