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Arlecino [84]
3 years ago
5

What's the name of the property given below? If a×b=0 then a=0 b=0 or both a=0 and b=0

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

This is the zero product rule.

Step-by-step explanation:

a: b = 0, then a = 0, b = 0, or both a = 0 and b = 0.

This is the zero product rule.

It shows that for the product to be zero,  at least  one factor must be zero

If a*b= 0: It shows that one of the factor is zero or may be both the factors are zero that is why their resultant product is 0.

So therefore, the product to be zero at least one of the factors must be zero.

If a x b = 0  then a = 0 and/or b = 0

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Shelly spent 10 mintues jogging and 20 mintues cycling and burned 300 calories. The next day, shelly swapped times and did 20 mi
ratelena [41]
She burned 30 calories for each minute of jogging and 15 calories for each minute of cycling because 300 divided by 10 is 30 and 300 divided by 20 is 15
6 0
3 years ago
A student takes a multiple choice test with 40 questions. The probability that a student answers a given question correctly is 0
LenKa [72]

Answer:

Step-by-step explanation:

X no of questions student answers is binomial with n =40 and p =0.5

If approximated to normal, X is Normal with

mean = np = 20 and variance = npq = 10

P(X>N) >0.10

We use std normal distribution table to get z value first then convert to x value

z>-1.28

So x>20-1.28(10) = 20-12.8 = 7.2

This is with continuity correction.

Hence without continuity correction this equals 7.2-0.5 = 6.7

x>6.7

n = 7

6 0
3 years ago
How do i solve 6m_2=m+13
I am Lyosha [343]
If it's addition you do the opposite which is subtraction and that's the answer that you get so 6m_2=m+13 so add 6-2=4 and then 13-4=9
7 0
3 years ago
Find all solutions to 2sin(θ)=√3 on the interval 0≤θ<2π
makkiz [27]

Answer:

2sin(3θ) - √3 = 0

Step-by-step explanation:

 sin(3θ) = √3/2

 

3θ = π/3 + 2kπ or 2π/3 + 2kπ, k = 0, ±1, ±2, ±3,...

 

θ = π/9 + 2kπ/3, 2π/9 + 2kπ/3

 

If k = 0, we get θ = π/9, 2π/9

If k = 1, we get θ = 7π/9, 8π/9

If k = 2, we get θ = 13π/9, 14π/9

 

Other values of k give values of θ lying outside of the interval [0, 2π).

7 0
3 years ago
BRUUUHHH PLZ
diamong [38]

Answer:

In your full life time, your heart may beat about 2 billion thru 3billion times.

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Step-by-step explanation:

im pretty sure this answers your question.

I solved this problem because I learned about it in health class.

6 0
3 years ago
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