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ser-zykov [4K]
3 years ago
13

The questions on a multiple-choice quiz each have 5 answer choices. Which model can be used to simulate randomly picking the cor

rect answer to a 8-question multiple-choice quiz?
Mathematics
1 answer:
sp2606 [1]3 years ago
6 0
0.025 or \frac{1}{40}
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100 points PLEASE ANSWER<br> ASAP thank you so much
igomit [66]

We use quadratic formula then

For a expression

  • ax²+bx+c=0

The quadratic formula is

\\ \rm\Rrightarrow x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

If underroot values becomes negative we use iota(i)

which has value=√-1

4 0
2 years ago
The graphs of the quadratic function y= 2x^2and the exponential function y= 2^x are shown below.
11111nata11111 [884]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
5 1/4 divided by 1/8
svetlana [45]

Answer:

42

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Which of the following trigonometric expressions is equivalent to csc(-112°)? csc(68°)
Romashka-Z-Leto [24]

Answer:

csc(-112°)=-csc(68°)

Step-by-step explanation:

Since cosec(x) and sin(x) are reciprocals of each other,

cosec(-112°)=\frac{1}{sin(-112^{\circ})}

                  =\frac{1}{-sin(112^{\circ})}

                 =\frac{1}{-sin(180^{\circ}-68^{\circ})}     (since 112=180-68)

                 =\frac{1}{-sin(68^{\circ})}              (since sin(180-x)=sinx)

                 =\frac{-1}{sin(68^{\circ})}               (since \frac{a}{-b}= \frac{-a}{b})

                 =-cosec(68°)

4 0
3 years ago
Read 2 more answers
your banking cupcakes for the school dance and your recipe makes 24 cupcakes and needs 2 cups of milk . you need to make 288 cup
zhannawk [14.2K]
6 quarts of milk will be needed
8 0
3 years ago
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