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Mariana [72]
3 years ago
11

HELP IM IN A QUIZZ... In a certain game, players earn 10 points for each question answered correctly and -5 points for questions

answered incorrectly. Angel answered 8 questions correctly and 18 questions incorrectly. How many points did he have at the end of the game? Express you answer as an integer.
Mathematics
2 answers:
Vesnalui [34]3 years ago
4 0

Answer:

-10 Points

Step-by-step explanation:

Assuming we are finding the total points, lets use X for correct answers, and Y for incorrect.

We can make an equation that will look something like this:

10x - 5y = t (total)

Now we can plug in our values and find the total!

10(8) - 5(18)

80 - 90

-10 = t

The player has a total of -10 points at the end of the game

spayn [35]3 years ago
3 0

Answer:

-10

Step-by-step explanation:

Just set up a simple equation.

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Simplify <br> ( 5w + 13 ) + ( 2w + 1)
Vadim26 [7]

Answer:

10w^2 + 24w + 13

Step-by-step explanation:

use Foil method

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3 years ago
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What is the domain of the rational function, f of x equals quantity x minus 5 over quantity 2 times x minus 3
liq [111]

Answer:

<u>Domain = R - {3/2}</u>

Step-by-step explanation:

The domain of a rational function consists of all the real numbers x except those for which the denominator is 0

The given function is :

f(x) = \frac{x-5}{2x-3}

We need to find the zeros of the denominator

∴ 2x - 3 = 0    ⇒ add 3 to both sides

∴ 2x = 3          ⇒ divide both side by 2

∴ x = 3/2        

The domain will be all real number except the zeros of the denominator.

So, Domain = R - {3/2}

Also, see the attached figure that represents the given function.

7 0
3 years ago
In Wellington, a city of 360,000 citizens, there has been an outbreak of vampires and werewolves There are 3,000 people infected
Alex17521 [72]

Answer:

0.0286 or 2.86%

Step-by-step explanation:

The total number of people that have werewolfism is 21,000.

Of those 21,000, 600 also have vampirism, while the remaining 20,400 do not. Therefore, the probability that someone has vampirism, given that they have werewolfism is:

P(V|W)=\frac{N_{V\cap W}}{N_W}\\P(V|W)=\frac{600}{21,000} \\P(V|W)=0.0286=2.86\%

The probability is 0.0286 or 2.86%.

3 0
3 years ago
A child’s wading pool has a diameter of 5 feet and a height of 2 feet. How much water would it take to fill the pool?
Svetradugi [14.3K]

Answer:

12.5π or ≈39.27

Step-by-step explanation:

The formula for finding the volume is V=πr^2*d (where h is the height and r is  the radius).

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3 years ago
A mail order company charges 4.5% for shipping and handling. If the total order is 54.34 how much was the order total before shi
Andrews [41]

Answer:

$52

Step-by-step explanation:

Given that :

Amount charged for shipping and handling = 4.5%

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Order total before shipping = 52

6 0
3 years ago
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