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Softa [21]
3 years ago
15

A die will be rolled some number of times and the object is to guess the total number of spots. There is a one-dollar penalty fo

r each spot that the guess is off. For instance, if you guess 200 and the total is 215, you lose $15. Which do you prefer: 50 rolls or 100 rolls? Explain.
Mathematics
1 answer:
barxatty [35]3 years ago
5 0

Answer:

200=215-15+50+100

Step-by-step explanation:

add

multignnbvn

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Pani-rosa [81]
What is this exactly?
5 0
3 years ago
The arch of a bridge can be modeled by <img src="https://tex.z-dn.net/?f=y%3D-%5Cfrac%7B1%7D%7B170%7D%28x-225%29%28x%2B225%29" i
Usimov [2.4K]

Answer:

450 feet at ground level

Step-by-step explanation:

The width of the bridge at ground level will be where the function intercepts the x-axis also known as the roots or zeros of the function. They are found using the zero product property to set each factor equal to 0.

This means (x-225) = 0 and (x + 225) = 0. So x = -225, 225.

This means the width is the absolute value of |-225| + 225 since distance cannot be negative. This makes it 450 feet.

8 0
3 years ago
Read 2 more answers
Plz help, will give brainliest.
motikmotik

Answer:

1) X = 10 Therefore, 10 + 2 + 10 = 22.

2) B = 2 Therefore, 15 = 8(2) - 5 + 2(2)

3) B = -0.9 Therefore, -10 + 4(3(-0.9) + 10) = 19.

7 0
3 years ago
-c: infinitely many solutions, Help solve plss
trapecia [35]
I think it’s b cos u minus 43 and your left with 48x and 47x so divide by 47 and you get 1 point something x = to x so yeah probably none because no number will make that work so it’s b
7 0
3 years ago
What is the value of f(-3)
Readme [11.4K]

f(x)=\left\{\begin{array}{ccc}-2&if&x < -3\\4x&if&-3\leq x\leq-1\\x^2&if&x > -1\end{array}\right\\\\-3\leq-3\leq-1\to f(x)=4x\\\\f(-3)=4(-3)=-12

8 0
3 years ago
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