If x and y are both negative when is x-y positive

Answers

Answer 1

When multiplying two negative numbers the answer is positive

Answer 2

hmm

let's try some numbers

we have 3 scenarios
x>y
x=y
x<y

x>y
x=-1 and y=-2
x-y=-1-(-2)=-1+2=1
it's positive when x>y

x=y
x=-1, y=-1
-1-(-1)=-1+1=0
nope

x<y
x=-2 and y=-1
-2-(-1)=-2+1=-1
nope

x-y is positive when 0>x>y

Related Questions

Chase answers 3/4 of his math questions correctly. There were 40 questions on the test.

a. How many did he get right?

b. How many did he miss?

Answers

multiply 40 by 3/4

40 x 3/4 = 40*3 = 120, 120/4 = 30

he answered 30 correctly

40-30 = 10, he missed 10

ROUND 977.259856871 TO 3 DECIMAL PLACES HELP!

Answers

3 decimal places would be where the 9 is, since the next number is 8 , the 9 would become a 0 and the number before it (5) would become a 6

so it would be 977.260

Rounded to 3 decimal places is 977.260. You get this by going to the third place out and looking to the right of it. if it's 5 or more round up. If your number is a nine then it becomes a 10 and youd carry it over

Find the value of x for which M//N

A.
38
B.
62
C.
102
D.
150

Answers

I think the answer is B= 62

You deposit $1400 into a savings account that earns simple annual interest. After 12 years, the balance in the account is $2408. What is the annual interest rate?

Answers

The formula is
A=p (1+rt)
A future value 2408
P present value 1400
R interest rate?
T time 12 years
Solve the formula for r
R= ((A/p)-1)÷t
R=((2,408÷1,400)−1)÷12
R=0.06×100
R=6%

In a genetics experiment on? peas, one sample of offspring contained 402402 green peas and 3838 yellow peas. based on those? results, estimate the probability of getting an offspring pea that is green. is the result reasonably close to the value of 3 divided by 43/4 that was? expected?

Answers

Final answer:

The empirical probability of getting a green pea is approximately 91.37%, which is not reasonably close to the expected value of 75% based on Mendel's laws.

Explanation:

In this observed pea experiment, there were 402 green peas and 38 yellow peas. To calculate the probability of getting a green pea, we divide the number of green peas by the total number of peas. Therefore, the probability is 402/(402+38) ≈ 0.9137 or 91.37%, which is the empirical probability of getting a green pea.

The expected ratio, which is based on Mendel's genetic laws, is 3/4 for the dominant trait (green peas in this case) but after doing the math, it represents 0.75 or 75%, which is lower than our empirical probability. Therefore, the result is not reasonably close to the value expected (3/4).

It's worth mentioning that this discrepancy can occur due to many reasons including statistical variation, "especially when sample size is not large enough".

Learn more about Probability in genetics here:

https://brainly.com/question/19956593

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Find the least common multiple of these two expressions. 14x^2y^4 and 21x^3u^7y^8

Answers

LCM of 14 and 21:-

14 = 2 * 7
21 = 3*7

LCM = 2*3*7 = 42

answer is 42x^3u^7y^8

Which of the following points is a solution to the system of linear inequalities?

{y ≤ 2x+1 y>1/2x-4

Answer choices:

A.(2, 6)
B.(2, –3)
C.(2, 3)
D.(2, –6)

Answers

(2,3) is the only point that is a solution

(03.06 MC) Choose the equation below that represents the line passing through the point (−3, −1) with a slope of 4.

Answers

This is obviously a multiple choice question fro a test but you did not supply any of the choices to pick from. However, remember to use the point slope formula of y-y1=m(x-x1) where the point they gave you is (x1,y1) and the slope is m. So now you can just plug the -3, -1, and 4 into your formula and you have the equation:)

Answer:

The equation of the line is

Y= 4X + 11

Step-by-step explanation:

The equation of the line is equall to

(Y- Y1)/(X-X1) = slope

X1 = -3

Y1= -1

Equation is

(Y-(-1))/(X-(-3))=4

(Y+1)/(X+3) = 4

Y+ 1 = 4X + 12

Y= 4X + 11

Which of the following is an identity?

A. csc^2 x + cot^2 x = 1
B. (cscx + cotx)^2 = 1
C. sec^2 x sec^2 x + 1 = tan^2 x csc^2 x
D. sin^2 x - cos^2 x = 1

Answers

I am not sure at all but I think the answer is C.

there is an identity csc^2 x = 1 + cot^2x so it cant be A

Nor D because sin^2 x + cos^2 x = 1

I think Its C

converting to sin's and cos's

1 / cos^4 x + 1 = sin^2 x / cos^2x * 1 / sin^2 x = 1 / cos^2 x

I dont think any are identities
You sure you have the question correct?

A veterinarian surveys her clients and finds that 32 percent of the households have dogs, 25 percent have cats, and 11 percent have both dogs and cats. Let event C be choosing a client who has cats and let event D be choosing a client who has dogs. Which statements are true? Check all that apply.
1.P(C | D) = 0.78
2.P(D | C) = 0.44
3.P(C ∩ D) = 0.11
4.P(C ∩ D) = P(D ∩ C)
5.P(C | D) = P(D | C)

Answers

check the venn diagram of the problem.

let the total number of the clients be 100.

since there are 11 clients with both cats and dogs,

there are 32-11=21 clients with dogs but not cats

and 25-11=14 clients with cat but not dogs.

The number of clients with neither dogs nor cats is given by:

100-(21+11+14)=100-46=54

so we have the following:

P(C)=25/100=0.25
P(D)=32/100=0.32
P(C∩D)=P(D∩C)=11/100=0.11

we also have the formula P(A|B)=P(A∩B)/P(B), the formula of conditional probability

now we check each choice:

1. P(C|D)=P(C∩D)/P(D)=0.11/0.32=0.34
2. P(D|C)=P(D∩C)/P(C)=0.11/0.25=0.44
3 and 4 are already checked, and they are true
5. by 1 and 2, not true

Answer: 2, 3, 4 are True

The statements which are true based on the given sets of data are:

2.P(D | C) = 0.443.P(C ∩ D) = 0.114.P(C ∩ D) = P(D ∩ C)

What is a Set?

This refers to the grouping of data between different types of data within a range.

Based on the given information, we can see that

32% have dogs

25% have cats

11% has both cats and dogs

We can see that using a Venn diagram, we can make the graphical representation where there would be the intersection and Union of the data.

With this, we can see that options B, C and D are true because they satisfy the choosing events about the given set of data.

Read more about Venn diagram here:
https://brainly.com/question/2099071

A basketball court is in the shape of a rectangle. It has a length of (x − 7) meters and a width of (x + 3) meters. The expression below represents the area of the court in square meters:

(x − 7)(x + 3)

Which of the following simplified expressions represents the area of the basketball court in square meters?

− 6x + 3
x2 − 21
x2 − 4x − 21
x2 − 7x + 3

Answers

(x - 7)(x + 3) = x^2 + 3x - 7x - 21 = x^2 - 4x - 21 <=

The answer is x² - 4x - 21 or C

The area (A) of the rectangle is:

A = l * w (l - length, w - width)

We have:

l = x - 7

w = x + 3

Therefore:

A = (x - 7)(x + 3)

Now, multiply each factor with another:

A = (x - 7)(x + 3) = x * x + x * 3 - 7 * x - 7 * 3 = x² + 3x - 7x - 21 = x² - 4x - 21

When a meteorologist says that there is a 30% chance of showers, what type of probability is the person using?

Answers

Empirical and Subjective probability

15,000 loses value by 20% each year. What is the value after 3 years

Answers

So you have 15,000, which decreases in value by 20% each year. The question asks, what is the value after 3 years. So you would have 15,000(1-0.2)^3 and that is your equation. The reason for this is because you have your initial value 15,000, and when it is a percent decrease, you use the formula i(1-d)^x, where i represents the initial value, d represents the percent decrease, and x represents the number of years. We can convert 20% into a decimal as 0.2. So our initial value is 15000, our percent decrease is 0.2, and number of years we can see is 3. That is why the equation is 15,000(1-0.2)^3. I would solve this using PEMDAS, meaning that Parenthesis comes first, Exponents come second, and then Multiplication comes after both of those. I stopped here because these are the only three things we need to do to solve. When I solve this, I do (1-0.2) = 0.8, and (0.8)^3 = 0.512. Then I multiply 15,000 with 0.512, which gives me 7680. Therefore the value of 15000 after 3 years is $7680. Hope this helps. Feel free to ask me questions about my explanation, and feel free to post more questions.

Answer:

Step-by-step explanation: 7680

After losing 20% we have 80% remaining

∴ value after three years = 15,000 × [tex]\frac{80}{100}[/tex] × [tex]\frac{80}{100}[/tex] ×[tex]\frac{80}{100}[/tex]

= 15,000 × [tex]\frac{4}{5}[/tex] ×[tex]\frac{4}{5}[/tex] ×[tex]\frac{4}{5}[/tex]

= 7680

Find the slope of the line on the graph. Write the answer as a fraction or a whole number, not a mixed number or decimal.

Answers

(-3,0) and (0, 3)
slope = 3/3 = 1

answer
slope = 1

simplify
27 2/3
----------
27 4/3

Answers

Hey!

We can write it like this,
[tex]\frac{27\frac{2}{3}}{27\frac{4}{3}}[/tex]
Let's convert them to improper fractions,
[tex]=\frac{\frac{83}{3}}{\frac{85}{3}}[/tex]
Let's divide them, but to do that we have to take the reciprocal of the second fraction,
[tex]=\frac{83\cdot \:3}{3\cdot \:85}[/tex]
Since our common factor is 3, we can cancel them out.
[tex]=\frac{83}{85}[/tex]
That would be our final answer.

Thanks
-TetraFish

Answer:

It would be 9

Step-by-step explanation:

for edgen 2020

Kate, who is 16, is four times as old as her brother. how old will kate be when she is half as old as her brother?

Answers

Kate and her brother are 12 years apart. When Kate is 24, her brother will be half her age, 12.

I'm in desperate need of help please !!

Answers

8a)

[tex]\bf \textit{Amount of Population Growth}\\\\ A=Ie^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\\ I=\textit{initial amount}\\ r=rate\to r\%\to \frac{r}{100}\\ t=\textit{elapsed time}\\ \end{cases}\qquad \begin{cases} year\ 0\\ -----\\ t=0\\ A=42679 \end{cases} \\\\\\ 42679=Ie^{k0}\implies 42679=I\cdot 1\implies 42679=I\qquad thus \\\\\\ \boxed{A=42679e^{rt}}[/tex]

now, let's fast-forward 8 years later, t = 8, the population has dropped to 33247, so A = 33247, what's "r", or in your paper, it uses "k", anyhow, is just the rate.

[tex]\bf A=42679e^{rt}\qquad \begin{cases} t=8\\ A=33247 \end{cases}\implies 33247=42679e^{r8} \\\\\\ \cfrac{33247}{42679}=e^{8r}\impliedby \textit{let's now take \underline{ln} to both sides} \\\\\\ ln\left( \frac{33247}{42679} \right)=ln(e^{8r})\implies ln\left( \frac{33247}{42679} \right)=8r\implies \cfrac{ln\left( \frac{33247}{42679} \right)}{8}=r \\\\\\ -0.0312178\approx r\qquad now\ 100\cdot r\approx -3.1\%[/tex]

is a negative rate, because, the population is decreasing.

-------------------------------------------------------------------

8)

how many days does it take for 60% of the population to know about the crime? well, what's 60% of 1,150,000? well (60/100) * 1,150,000, or 69000.

[tex]\bf P(t)=1150000e^{-0.03t}\implies 690000=1150000e^{-0.03t} \\\\\\ \cfrac{690000}{1150000}=e^{-0.03t}\implies \cfrac{3}{5}=e^{-0.03t} \\\\\\ \textit{again, we take \underline{ln} to both sides} \\\\\\ ln\left( \frac{3}{5} \right)=ln(e^{-0.03t})\implies ln\left( \frac{3}{5} \right)=-0.03t \\\\\\ \cfrac{ln\left( \frac{3}{5} \right)}{-0.03}=t\implies 17.0275\approx t[/tex]

so.. roughly about 17 days.

You flip a coin eight times. find the number of possible outcomes in the sample space.

Answers

2( coin faces) 8( number of times)

What is the answer Barbara also works part-time at themepark the radio of the number of hours Barbara works at the park to the money she earns in dollars is 1:9 create a table to show the money earned by Barbara for 5,6,8 hours of work at a theme park

Answers

1:9.....this is basically saying that for every 1 hr she works, she makes $ 9

5 hrs ..(5 * 9) = 45..... 5:45 or 5 to 45 or 5/45
6 hrs...(6 * 9) = 54......6:54 or 6 to 54 or 6/54
8 hrs...(8 * 9) = 72......8:72 or 8 to 72 or 8/72

A customer calls and says that they are upset because they just received their bill and it is for two months service plus a $20 late fee. They have never had a late payment before. They explain that they moved last month and never received their bill. What would you tell them?

Answers

I would tell them that I apologize for the misunderstanding for the bill not being delivered to the proper person but it was out of my hands

Answer with explanation:

The Customer , is irked due to the reason that,he or She hasn't got the last month bill and now they have to pay the bill for two months service plus $ 20 late fee.

Also, the customer is Saying that they moved from that place last month where they were Residing.

I will start Querying with the customer in the following way

Sir, or Madam

1. Have you checked , or asked your Neighbor or Landlord, after leaving that place ,whether they have got this kind of bill ?

2. Secondly , we have your email-ID as well as Mobile number.We message every month about your bill,through email as well as Messaging tool of your mobile.Haven't you Checked your Mail as well as Messaging.

it Shows that Customer is Lying.

So, Sir or Madam

Please , pay the Bill along with late fee.

In triangle PQR, C is the centroid.

Answers

The centroid of a triangle divides the median PY, XR and QZ into the ratio 2:1

Question (a):

PC:CY = 2:1
If CY=10, then PC=20 and PY=20+10=30

Question (b):

QC:CZ= 2:1
If QC=10, then CZ=5 and ZQ=10+5=15

Question (c):

PX : XQ = 1 : 1
if PX = 20, then PQ = 40

The area of a square garden is 200 m². How long is the diagonal?

100 m

10 sqrt of 2

200 m

20 m

Answers

Answer: 20 m
Since we know that a square has four equal sides, we can find out the sides by taking the square root of the given area, which is 200 m^2.
Now we know that the sides of the square are 10 radical 2. However, the question is asking for the length of the diagonal. We can find out the diagonal of the square by slicing up the square into two triangles by drawing a diagonal from one corner to the other. We know that a square has 4 right angles. And we also know that the triangles are going to be a 45-45-90 degree triangle. Since we already know the side which is 10 radical 2, all we have to do is multiply radical 2 to it which is equal to 10 x 2= 20m

Final answer:

To find the length of the diagonal of a square garden, you can use the Pythagorean theorem. In this case, the length of the diagonal is approximately 14.14 meters.

Explanation:

To find the length of the diagonal of a square garden, we can use the Pythagorean theorem. The Pythagorean theorem states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

In this case, the two shorter sides of the right triangle are the sides of the square garden. Let's call each side x. The hypotenuse (the diagonal) will be the side we are trying to find.

Using the Pythagorean theorem, we have: x^2 + x^2 = diagonal^2. Since the area of the square garden is 200 m², we can set up the equation: x^2 + x^2 = 200. Combining like terms, we get: 2x^2 = 200. Dividing both sides by 2, we have x^2 = 100. Taking the square root of both sides, we find that x = 10.

Therefore, each side of the square garden is 10 meters. And using the Pythagorean theorem one more time, we can find the length of the diagonal: diagonal^2 = 10^2 + 10^2. Simplifying, we get diagonal^2 = 200. Taking the square root of both sides, we find that the length of the diagonal is approximately 14.14 meters.

the lines shown below are parallel. if the green line has a slope of -1/11, what is the slope of the red line?
a)-1/11
b)1/11
c)-11
d)11

Answers

Parallel lines must have the same slope and a different y-intercept. So if one line has a slope of -1/11, any possible parallel line will also have a slope of -1/11.

Answer:

-1/11

Step-by-step explanation:

I just did it

Two minor league baseball players got a total of 292 292 hits. washington had 18 18 more hits than sanchez. find the number of hits for each player

Answers

Let number of hits by Sanchez be x.

Number of hits by Washington = 18 + x

Total number of hits = 292

x + 18 + x = 292

2x + 18 = 292

2x = 274

x = 137

Hence, Sanchez has 137 hits and Washington has 155 hits.

Jackie walks into a convenience store and recognizes the number of lottery tickets she can purchase varies inversely with the price of each ticket. If Jackie buys $5 tickets, she can purchase exactly 6 tickets. If she buys $3 tickets, what is the maximum number of tickets she can purchase?

Answers

Let the price of the tickets be 'x' and the number of tickets bought is 'y'

When the y inversely proportioned to x, the equation is

y = k/x where k is a constant

We work out the value of k by using the information y = 6 and x = 5

6 = k/5
k = 30

Hence, the maximum number of tickets when the price is $3 is

y = 30/3
y = 10 tickets

Answer:

Step-by-step explanation:

Jill has been watching the squirrels that live in her neighborhood. The number of squirrels changes each week.

n         f(n)

1          8
2             12
3            18
4            27

Which function best shows the relationship between n and f(n)?

A f(n) = 12(1.5)n
B f(n) = 12(1.5)n−1
C f(n) = 8(1.5)n
D f(n) = 8(1.5)n−1

Answers

It is option D f(n) = 8(1.5)n-1

Hope This Helps You ^-^

The graph of a line goes down and to the right when

Answers

It is a negative slope!

it goes down and to the right when the graph is negative.

(04.01 LC)

Which of the tables represents a function?
Table A

Input

Output

3 1
3 4
2 3

Table B

Input

Output

2 7
5 6
2 9

Table C

Input

Output

1 5
7 2
7 3

Table D

Input

Output

3 4
1 5
8 5

Table A
Table B
Table C
Table D

Answers

Only table D is a function. All of the others fail the "vertical line test." The definition of a function is for each input there is only one unique output. So for example, any given input value of x, there can only be one unique output value for y.

Answer:

I believe the answer is table D.

Step-by-step explanation:

Each input can only have one output. The other tables have multiple outputs for each input. Therefore they get "cut off," and table D is the answer.

Helper's Message:

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-ChocoChocoCho

PLEASE PLEASE IM RUNNING OUT OF TIME AND NEED YOUR HELP!!!!!
hope i wrote these correctly!
Simplify: ^3√108c^17

My Choics are...
:
a. 6c^8√3c

b. 3^3√4c^17

c. 3c^5 ^3√4c^2

d. 18c^8√3c

Answers

∛ 108c^17 = 3c^5 ∛4c^2

answer

c. 3c^5 ∛4c^2

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ?x - 49

Answers

We are asked to find unknown or the missing number to complete the polynomial given in the problem which is x² + ?x -49. First, let us equate the number to be equal to zero such as it would become x² + ?x - 49 = 0. Next, we need to find the factors such that it would produce a difference of squares and these two factors are a = +7 and b = -7. Hence, the complete solution is shown below:
(x + 7) (x-7) = 0
perform distribution and multiplication of terms such as shown below:
x² + 7x - 7x - 49 = 0
Combine the same term such as we can either add or subtract +7x to -7x and the result will be equal to 0x.
x² + 0x - 49 = 0

Therefore, the missing number is 0. The answer is 0 which will result to x² +0x - 49.

Answer:

Step-by-step explanation:

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