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serious [3.7K]
3 years ago
14

Which equation applies the associative property of multiplication?

Mathematics
1 answer:
beks73 [17]3 years ago
6 0
<span>associative property of multiplication?
answer
</span><span>B.​ (−94 ⋅ 32) ⋅ (63 ⋅ 57) = −94 ⋅ (32 ⋅ 63) ⋅ 57 ​</span>
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REY [17]
You are subtracting -16-4
So I would assume your answer would be C
I hope this answer helps!
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What is 0.01 rounded to the nearest hundredth
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Answer:

It is already rounded to the nearest tenth! Hope this helps!

Step-by-step explanation:

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What are the solutions to the quadratic equation 98-x2=0
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98-x^2=0\qquad\text{add}\ x^2\ \text{to both sides}\\\\98=x^2\to x^2=98\\\\x=\pm\sqrt{98}\\\\x=\pm\sqrt{49\cdot2}\\\\x=\pm\sqrt{49}\cdot\sqrt2\\\\\boxed{x=-7\sqrt2\ \vee\ x=7\sqrt2}

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3 years ago
A math instructor assigns a group project in each of the scenarios below, the instructor selects 5 consecutive students from thi
SVETLANKA909090 [29]

Complete question:

Consider a class of 20 students consisting of 5 sophomores, 8 juniors, and 7 seniors. A math instructor assigns a group project in each of the scenarios below, the instructor selects 5 consecutive students from this class, keeping track (in order) of the level of the student that he gets.

1a. How many possible outcomes are in the sample space S? (An outcome is a 5- tuple of students.)

Let A2 denote the event that exactly 2 of the selected students are sophomore, A5 denote the event that exactly 5 of the selected students are the juniors, and A4 denote the event that exactly 4 of the selected students are seniors.

1b. Find the probabilities of each of these three events. A2, A5, A4

1c. Do the events A2, A5, A4 constitute a partition of the sample space?

Answer:

Given:

n = 20

a) The possible outcome in the sample space,S, =

ⁿCₓ = ²⁰C₅

= \frac{20!}{(20-5)! 5!)}

= \frac{20*19*18*17*16}{5*4*3*2*1}

= 15504

b) probabilities of A2, A5, A4

P(A2) = ⁵C₂ / ²⁰C₂

= \frac{20}{320} = \frac{1}{19}

P(A5) = ⁸C₅ / ²⁰C₅

= \frac{56}{15540} = \frac{7}{1938}

P(A4) = ⁷C₄ / ²⁰C₄

= \frac{35}{4845} = \frac{7}{969}

c) No,the events A2, A5, A4, do not comstitute a partition of the sample space. i.e P(A2)+P(A5)+P(A4) ≠ 1

5 0
3 years ago
SOMEONE PLEASE HELP ASAP
Fittoniya [83]
Yes it proportional because they all function of y=3x
0x3=0
2x3=6
4x3=12
6x3=18
6 0
3 years ago
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