3 years ago

In the expression 3x² + y − 5, which of the following choices is the exponent in the term 3x²?

Mathematics

2 answers:

quester [9]3 years ago

7 0

Answer: the exponent would be the 2

Step-by-step explanation:

sergejj [24]3 years ago

5 0

Answer:

2 is the answer you're looking for

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In a production process, the probability of manufacturing a defective rear view mirror for a car is 0.075. Assume that the quali

Leviafan [203]

Answer:

The probability that the 3rd defective mirror is the 10th mirror examined = 0.0088

Step-by-step explanation:

Given that:

Probability of manufacturing a defective mirror = 0.075

To find the probability that the 3rd defective mirror is the 10th mirror examined:

Let X be the random variable that follows a negative Binomial expression.

Then;

$X \sim -ve \ Bin (k = 3 , p = 0.075)\\ \\ P(X=x)= \bigg (^{x-1}_{k-1}\bigg)\times P^k\times (1-P)^{x-k}$

$= \bigg (^{10-1}_{3-1}\bigg)\times 0.075^3\times (1-0.075)^{10-3}$

$= \bigg (^9_2\bigg)\times 0.075^3\times (1-0.075)^{7}$

$= \dfrac{9!}{2!(9-2)!}\times 0.075^3\times (0.925)^{7}$

$= \dfrac{9*8*7!}{2!(7)!}\times 0.075^3\times (0.925)^{7}$

= 0.0087999

≅ 0.0088

5 0

2 years ago

If the length of a side of an<br> equilateral triangle is x, what is half of the perimeter?

nataly862011 [7]

Answer:

3/2 x

Step-by-step explanation:

length of a side of an equilateral triangle is x

The perimeter is

P = 3s where s is the side length

P = 3x

1/2 of the perimeter

1/2 (3x)

3/2 x

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3 years ago

Simplify 15r10-5r8+40r2/5r4

Inessa05 [86]

R6 (15r4-5r2+8)

I maybe wrong.. but i maybe right..

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3 years ago

In each of the following, determine a possible pattern and draw the next figure according to that pattern if the sequence contin

Yakvenalex [24]

Answer

1. B

2. A

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3 years ago

What is the value of x

viktelen [127]

Answer:

X=14

Step-by-step explanation:

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3 years ago