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Radda [10]
3 years ago
14

Marna is playing a game where you score -5 points each time you guess the correct answer. The goal is to get the lowest score. T

o win the game, Marna must have a score less than -80 points. How many correct answers does Marna need to win the game?
Mathematics
2 answers:
grigory [225]3 years ago
4 0

Answer:

<h2>She needs 17 correct answers.</h2>

Step-by-step explanation:

Givens

  • You score -5 points each time you guess the correct answer.
  • Marna must have a score less than -80 points to win.

Now, let's be x the total number of correct answers. If you score -5 points per correct answer, that means -5x.

So, we know that Marna must score LESS THAN -80 points, that can be expressed as

-5x=-80\\x=16

Therefore, Marna need 17 correct answer to win the game. Remember that she needs less than -80 points, so with 16 answer she's gonna get barely -80, which is not enough to win the game.

Assoli18 [71]3 years ago
3 0

Answer:

Marna needs to answer correctly 17 times.

Step-by-step explanation:

-5 * 17 = -85, anything lower won't work.

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3 years ago
Use the Internet to identify a major league ballpark in which the distance from home plate to the center field fence and the hei
Hunter-Best [27]

Answer:

x = 28.60 feet

Step-by-step explanation:

We are given a height of 2 feet above the ground and the angle of elevation of 86 degrees. 

Now, let's assume that the form of our problem is in the form of a right triangle, we can solve for the remaining angle as follows;

180 - (90+86) = 4 degrees

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8 0
3 years ago
In the figure, GK bisects FGH
bija089 [108]

Answer:

w = 7

Step-by-step explanation:

Given:

m<FGK = (7w + 3)°

m<FGH = 104°

angle bisector of <FGH = GK

Required:

Value of w

SOLUTION:

Since GK bisects angle FGH, it divides the angle into two equal parts. Therefore, the following equation can be generated to find the value of w:

m<FGH = 2*m<FGK

104 = 2*(7w + 3) (substitution)

Divide both sides by 2

\frac{104}{2} = \frac{2*(7w + 3)}{2}

52 = 7w + 3

Subtract 3 from each side

52 - 3 = 7w + 3 - 3

49 = 7w

Divide both sides by 7

\frac{49}{7} = \frac{7w}{7}

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w = 7

8 0
3 years ago
The mean of a set of credit scores is Mu = 690 and Sigma = 14. Which statement must be true about z694? z694 is within 1 standar
Kitty [74]

Answer:

I believe it's B

Step-by-step explanation:

hope this helps!

5 0
3 years ago
Read 2 more answers
1-2m-5m=15 multistep homework
Montano1993 [528]

1-2m-5m=15

combine like terms

1 -7m = 15

subtract 1 from each side

1-1-7m = 15-1

simplify

-7m = 14

divide by -7

-7m/-7 = 14/-7

simplify

m = -2


6 0
3 years ago
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