1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vova2212 [387]
3 years ago
6

If xy=0, what must be true about either x or y

Mathematics
2 answers:
allochka39001 [22]3 years ago
5 0

Answer:

X and y is 0 or either X or y is 0

Step-by-step explanation:

zero multiplied by anything equals to zero

evablogger [386]3 years ago
4 0

Answer:

either x or y must equal 0​

Step-by-step explanation:

ts given that xy = 0

Remember that product of two numbers can be zero only if:

Both of them are zero or Either of them is zero as zero multiplied to any non-zero number will always be equal to zero. This is known as Zero Product Property.

So, if the product of x and y is equal to 0 there are two possibilities:

Both x and y are equal to 0

Either x or y must be equal to 0

Note that the condition both x and y are equal to zero is not a must condition, because even if one of them is equal to zero, the entire expression will be equal to zero.

Hence, the condition which has to be true in all cases for xy = 0 is:

either x or y must equal 0​

You might be interested in
How can you use a ratio table to identify patterns and find equivalent Ratios?
tamaranim1 [39]
By analyzing the data
8 0
3 years ago
Read 2 more answers
A rectangle has a length of 12 meters and a width of 400 centimeters. What is the perimeter, in cm, of the rectangle?
melisa1 [442]
824 cm perimeter. 100% sure now
3 0
3 years ago
Read 2 more answers
-6x + 18 = 7- (4x + 9) help will give brainlyist
andreyandreev [35.5K]

Answer:

X = -5

Step-by-step explanation:

-6x + 18 = 7 - (4x + 9)

first we simplify the parentheses.

distribute the invisible number one created by the negative sign in front of the parentheses to get -6x + 18 = 7 - 4x - 9

then simplify further by subtracting 9 from the right side, leaving you with

-6x + 18 = -2 - 4x

next, add 2 to both sides to isolate the variable.

-6x + 20 = -4x

then, to isolate the variable further add 6x to both sides.

20 = -4x

divide both sides by -4 to isolate the variable

-5 = x

so, x = -5

6 0
3 years ago
Read 2 more answers
A population of rabbits in a lab, p(x), can be modeled by the function p(x) = 20(1.014)x , where x represents the number of days
Nitella [24]

Answer:

20 = initial population of the rabbits

1.014 = growth rate of the rabbits

the average rate of change from day 50 to day 100 is 0.8

Step-by-step explanation:

A population of rabbits in a lab, p(x), can be modeled by the function

p(x) = 20(1.014)^x

This model is exponential. Where 20 = initial population of the rabbits

1.014 = growth rate of the rabbits with 1.4% increase rate of the rabbits

To find the average rate of change from day 50 to day 100,

find the population p(50) and p(100). Subtract them and divide by 100 - 50 = 50. 

p(50) = 20(1.014)50 = 40.08... 

p(100) = 20(1.014)100 = 80.32... 

(80.32 - 40.08) / (100 - 50) = 40.24/50 = 0.8048. which is approximately 0.8 to the nearest tenth. 

The rate of change is 0.8. 

7 0
3 years ago
Simply<br> 7p2 x 3p<br> 14p4
vivado [14]

Answer:

{ \tt{ =  \frac{7 {p}^{2}  \times 3p}{14 {p}^{4} } }} \\  = { \tt{ \frac{21 {p}^{3} }{14 {p}^{4} } }} \\  = { \tt{1.5 {p}^{ - 1} }}

6 0
3 years ago
Other questions:
  • Which statements are true about triangle ABC and its translated image, A'B'C'? Check all that apply.
    7·2 answers
  • What is the amount of sales tax owed on a $39 jacket if the tax rate is 5%?
    5·1 answer
  • Original amount:30 End amount: 45
    8·1 answer
  • What is the volume of the rectangular prism? please show ALL work I need to have the FULL thing so i dont fail in math
    12·1 answer
  • Jessica wants to buy a new team jacket that’s cost 35$
    6·1 answer
  • I need some help please Help me please
    10·1 answer
  • 1½–¾ what is the answer to this fraction ​
    7·2 answers
  • Z/9+= 2<br> Z= <br> solve what is z
    11·1 answer
  • If x and x/4 are a pair of supplementary angles find angles​
    12·1 answer
  • Yea A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 38 ​centimeters, and t
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!