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Margarita [4]
3 years ago
12

Suppose you take an 80 question mc test with 5 choices if 60% is passing, what are your chances of passing

Mathematics
1 answer:
Goshia [24]3 years ago
3 0
What is the subject?
;)
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A spinner is divided into eight equal-sized sections, numbered 1 to 8, inclusive. What is true about spinning the spinner one at
zvonat [6]

Answer with explanation:

The number of section into which Spinner is divided =Number from 1 to 8={1,2,3,4,5,6,7,8}

Now, Spinner is Spun once .

The Correct statement among the given statements are:

→1.   S={1,2,3,4,5,6,7,8}

→2. If A is a subset of S, A could be {1,2,3} , because , {1,2,3}⊂{1,2,3,4,5,6,7,8}.

→5.If a subset A represents the complement of spinning an odd number, it’s sample space is A={2,,4,6,8}

A=odd number={1,3,5,7}

A's Complement=Even Number={2,4,6,8}

Why, not 3 and 4, because, The number of elements in the set is from 1 to 8, but the subset has three elements, 7,8, and 9.Element, 7 ∈ S, 8∈S, but , 9∈S.

Also, number less than 4, is equal to ={1,2,3}, but in the statement, it is given that,number less than 4, it’s sample space is A={1,2,3,4},which is Incorrect.

7 0
3 years ago
Read 2 more answers
I need help with #13 and #14 please
goldenfox [79]
U have to multiply and then divide it and find that scale
5 0
3 years ago
SOLVE<br><br> 6/y+4 - 2/y-3 = 3<br><br> A. -5/3, -2<br> B. 5/3, -2<br> C. 5/3, 2<br> D. -5/3, 2
lbvjy [14]
Your answer D because that is how it turned out
3 0
3 years ago
Need with number 7!
topjm [15]

Answer: 6

SOLUTION

∵segment\frac{}{AB}is tangent to the circle at point C.

∴∠MCA=∠MCB=90°

Suppose \frac{}{MC} =x

From the Pythagorean theorem

MA²=9²+x²

MB²=4²+x²

∴MA²+MB²=AB²

i.e. x^{2} +9^{2} +4^{2} +x^{2} =(9+4)^{2} \\2x^{2} +97=169\\2x^{2} =72\\x^{2} =36\\x=6

We conclude that x=6=\frac{}{MC}

7 0
3 years ago
Jackie Robinson was MOST notable for
WITCHER [35]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
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