Can you write a linear inequality whose solution contains only points with positive x-values and y-values? why or why not?

Answers

Answer 1

No, you can not. So a linear inequality would be an infinitely long straight line on a math graph. Having a solution contains only positive x, y value would mean that your line cannot exceed the first quadrant of the graph. Try to draw an infinite long straight line, only within the first quadrant, clearly, you can not.

Answer 2

Final answer:

Yes, a linear inequality can be written whose solution contains only points with positive x-values and y-values.

Explanation:

A linear inequality is a mathematical statement that expresses a relationship between two linear expressions using inequality symbols (>, <, ≥, or ≤). It describes a region of values that satisfy the inequality, often represented on a coordinate plane as a shaded area.

Yes, a linear inequality can be written whose solution contains only points with positive x-values and y-values. One example of such an inequality is y > 0. This inequality represents all the points above the x-axis in the coordinate plane, where both x-values and y-values are positive.

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Related Questions

0.66 repeating as a fraction

Answers

2
_
3
(two - thirds) is the answer

if u have repeating decimals...

0.6 (with the 6 repeating)......if there is 1 number repeating, u put that number over 9.....6/9

0.67.(with the 67 repeating)...if there is 2 numbers repeating, u put those 2 numbers over 99.....67/99

0.678 (with the 678 repeating)...if there is 3 numbers repeating, u put those 3 numbers over 999....678/999

Which choice represents the simplified form of the expression below and the values of x for which it is defined?
√3x^3 ÷ √x
A x √3 when x > 1
B x√ 3 when x < 0
C x √2x when x >0
D x√3 when x>0

Answers

D. You can root 1, but not 0. You also cannot root negatives and get a real number so it isnt B, and C is just incorrect

Subtract 8 1/5-4 2/5. Simplify the answer and write as a mixed number.

Answers

8 1/5 - 4 2/5

first make it into a improper fraction

41/5 - 22/5

then subtract

19/15

your answer is 19/15 in improper fraction:

19/15 = 1 4/15 in improper fraction

hope this helps

Answer: 4 1/5

Step-by-step explanation:

Subtract 8 1/5 - 4 2/5

Simplify answer

Write as mixed number

8-4 = 4

1/5 - 2/5 = 4 1/5

Factor the expression x^2-16x+63

Answers

The factors should add to the b value and multiply to the c value.

Final answer: (x-9)(x-7)

Check:
-9*-7=63
-9-7=-16

What is 3,920,000,000,000 in scientific notation? A. B. C. D.

Answers

Well its not negative so that's good.

39.2×10^10

If its negative you will have to go left if positive you need to go right.

When doing Scientific Notation you need to found how many zeros there are. Then put them in to to this formula.

----- × 10 ^ (exponent of whatever exponent)

Ex: 3200 in scientific notation

3.2×10^2

Your answer is 39.2×10^10 or second line.

Hey its just
3.9 x 10^12

Have a nice day, please mark brainliest!
Also- Scientific notation is actually really easy! just move the zero and count them as you go!

Simplify: (27)^1/3•(27)^2/3

Answers

Since the cube root of 27 is 3, we have 3*27^(2/3). Next, something to the power of 2/3 means you square the cube root of it. Since the cube root is 3, we square that to get 9. After that, we get 3*9=27

Answer:

Step-by-step explanation:

Because i said so

14 x 2/7= please show work!!!

Answers

14 is equal to 14/1
So you'd multiply 14/1 x 2/7.
14x 2= 28
7x1= 7
So it would be 28/7
Which simplifies to 4

These fractions can be easier when we put a 1 under the 14

Lets set up our fractions like this.

[tex] \frac{14}{1} * \frac{2}{7} [/tex]

Now solve across.

14 x 2 = 28

1 x 7 = 7

Now we have this fraction.

[tex] \frac{28}{7} [/tex]

Now this also means

28 ÷ 7 = 4

So the answer to your fractions is 4.

Good Luck! <3

What is the value of k?

Answers

The answer is approximately -457.9F

hello :
115°+X° = 180°
X° = 180° - 115°
X° = 65°
but : 65° +(4k+5)° +(6k+10)° = 180°.. ( sum angles in the triangle)
10K +80° =180°
10K =100°
k = 10°

If two variables were completely correlated, their correlation coefficient would be:

Answers

Pearson's correlation coefficient 'r' measures the degree to which two variables are correlated. The value is between -1 and 1. Negative values correspond to negative correlation (as one variable increases, the other variable decreases) whereas positive values correspond to positive correlation. The larger the absolute value of r, the closer a correlation graph resembles a set of points on the same line. Therefore, if two variables are completely correlated, the correlation value is 1 or -1, depending on whether the correlation is positive or negative.

58 people answered a survey saying they like cheese. There was a total of 74 people surveyed. What is the percentage of people who liked cheese? Round to the nearest tenth.

Answers

Since we want to know how many 58 goes in 74 to find the percentage, we get 58/74=around 0.78=around 78%

Last year, the average math SAT score for students at one school was 475. The headmaster introduced new teaching methods hoping to improve scores. This year, the mean math SAT score for a sample of students was 481. If the teaching method had no effect, there would be roughly a 3 in 10 chance of seeing such an increase. Does the result have practical significance? Why or why not?

Answers

Answer and step-by-step explanation:

Yes, it does have practical significance.

If the method was ineffective, the chance of an increase this large was 3/10, or 30%. This means with an ineffective teaching method, there was a 100-30 = 70% chance of not seeing a score increase this large.

Since we did see a result this large, and 30% is not a very large chance, we can say that the method was most likely effective.

Final answer:

The difference in SAT scores is statistically significant because there's only a 3/10 chance of observing such an increase by chance. However, it might lack practical significance because a 6-point increase, although positive, is relatively small and may not have a meaningful impact in real-world terms.

Explanation:

The question you're asking relates to the concept of statistical significance and practical significance in Mathematics. Statistical significance means that the difference in results (in this case, the increase in SAT scores from 475 to 481) isn't likely due to chance. You've mentioned that there's a 3 in 10 chance of observing such an increase, so statistically, the new teaching method seems to have a significant effect.

However, practical significance refers to whether the difference is meaningful in real-world terms. This depends on context and judgement. In this case, a 6-point increase in the SAT score is a positive change, but it's relatively small and might not make a substantial difference to university admissions or student's mathematical competence. Therefore, one could argue that while the result is statistically significant, it may lack practical significance.

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Brad had a yard that he wants to fence. The dimensions of the yard are 40 feet by 55 feet. How much fencing would he need to enclose the yard?

Answers

2(40+55)=2(95)=190
190ft of fencing

Find three consecutive odd integers whose sum is between 27 and 51

Answers

Final answer:

To find the three consecutive odd integers whose sum is between 27 and 51, set up an inequality with n representing the smallest integer. Solve the inequality to find the possible values for n, which are then used to derive the consecutive integers.

Explanation:

To find three consecutive odd integers whose sum lies between 27 and 51, we need to establish variables for the integers and then solve for them. Let's call the smallest integer n, the next integer will then be n+2 (since odd numbers are two units apart), and the largest integer will be n+4. The equation will be n + (n+2) + (n+4), which simplifies to 3n + 6.

Since their sum must be between 27 and 51, our inequalities are:
27 < 3n + 6 < 51
Subtract 6 from all parts of the inequality:
21 < 3n < 45
Now, divide everything by 3:
7 < n < 15

Since n must be an odd integer, we have the options 9, 11, or 13 for n. Therefore, our sets of three consecutive odd integers could be:
(9, 11, 13), (11, 13, 15), or (13, 15, 17).

Which ordered pair is on the inverse of f(x)?

Answers

(x)f is the inverse of the original copy

Find the sum of (x+5) and (2x+3)

Answers

x+5+2x+3
=3x+8

hope that was helpful!

(X+5)-(2X-3)=
X-5-2X-3=
3X-8

I would help founding P-15=13-6p

Answers

p - 15 = 13 - 6p
-15 = 13 -7p
-28 = -7p
4 = p

Hope this helps!

The awnswer is 4 = p

In this lesson, what kinds of exponents will be discussed?
zero exponents
fractional exponents
negative exponents
decimal exponents
square root exponents

Answers

zero exponentsfractional. The zero exponent rule says that any number raised to the power zero is one. Since there is the same number of factors in the numerator as in the denominator, they cancel each other out and we obtain .

I am 100% positive this is from a certain place called Odyssey-ware, so the answers r both negative exponents and zero exponents XD

12-5x-4kx=y solve for x

Answers

Hi there!

[tex]12 - 5x - 4kx = y -4kx - 5x = y - 12 Factor out variable x x(-4k-5)=y-12 x = (y+12)/(4k+5)[/tex]

The cost c in dollars of renting a paddle board for h hours is given by c = 25 + 7h. After how many hours is the cost $81?

Answers

After 8 hours, the cost will be $81.

How to write 0.0000000000372 in scientific notation?

Answers

3.72 x 10^-11
----------------------------------

whats 22 less than a number n

Answers

[tex]less \\ than = subtraction (-) \\ Number: n \\ \\ Translated: n - 22 \\ or \\ \\ 22 - n [/tex]

[tex]good \\ luck \\ on \\ your \\ assignment \\ and \\ enjoy \\ your \\ day \\ \\ \\ \\ \\ \\ MeIsKaitlyn:)[/tex]

Can someone help me work out this problem please?

Answers

(d/2) + (f/4) = 6
4*[ (d/2) + (f/4) ] = 4*6 ... see note below
4*(d/2) + 4*(f/4) = 4*6
2d + f = 24
2d + f - 2d = 24 - 2d
f = 24 - 2d

The final answer is f = 24 - 2d

Note: I multiplied both sides by 4 because this is the LCD (lowest common denominator). Multiplying both sides by the LCD will clear out the fractions.

What is 0.26 repeating as a fraction

Answers

Answer:

0.26 repeating as a fraction is [tex]\frac{4}{15}[/tex]

Step-by-step explanation:

Given : Expression 0.26 repeating.

To find : What is expression as a fraction?

Solution :

Let [tex]x=0.26666[/tex] ....(1)

Multiply both side by 10,

[tex]10x=2.666...[/tex] .....(2)

Subtract (1) and (2),

[tex]10x-x=(2.666...)-(0.2666...)[/tex]

[tex]9x=2.4[/tex]

[tex]x=\frac{2.4}{9}[/tex]

[tex]x=\frac{24}{90}[/tex]

[tex]x=\frac{4}{15}[/tex]

Therefore, 0.26 repeating as a fraction is [tex]\frac{4}{15}[/tex]

When using the formula zx = x − μ σ for the z-score for the 11.7 data point:

Answers

1. x= 11.7 μ = 7

2. z11.7= 1.3

3. Is 11.7 within a z-score of 3?

a. Yes because z11.7 < 3.

4. Which statement is true of z11.7?

b. z11.7 is between 1 and 2 standard deviations of the mean.

The value of the z-score is 1.33.

What is a z-score?

The z-score is defined as the mean (average) values, measured in terms of standard deviations from the mean.

The formula is used to calculate z-score is;

Z-score = X-μ / σ

= 11.7-7 / 3.52

= 4.7/3.52

= 1.33

Hence, the value of the z-score is 1.33.

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Angles a and b are complementary angles. if the measure of angle a is 30 more than the angle of measure b find the measures of the two ang;es

Answers

complimentary angles, when added, will equal 90 degrees

a + b = 90
a = b + 30
now we sub
b + 30 + b = 90
2b + 30 = 90
2b = 90 - 30
2b = 60
b = 60/2
b = 30 <=== angle b is 30

a = b + 30
a = 30 + 30
a = 60 <=== angle a is 60

Westley is 9 yars old. He is 3 years younger than his brother, Milo. Write and solve a subtraction equstion toshow how old Milo is.

Answers

x represents Milos age.

x - 3 = 9
add 3 to both sides to isolate x

x = 12

Milo is 12 years old.

Final answer:

To find Milo's age given Westley's age and the fact that Westley is 3 years younger than Milo, we can set up a subtraction equation and solve for Milo's age.

Explanation:

To find out how old Milo is, we can use the given information that Westley is 9 years old and 3 years younger than Milo. We can set up a subtraction equation by subtracting 3 from Westley's age.

Let's represent Milo's age as 'x'. The equation would be:

Westley's age - 3 = Milo's age

Substituting Westley's age of 9 into the equation:

9 - 3 = x

Simplifying the equation:

x = 6

Therefore, Milo is 6 years old.

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In the right triangle ABC, CH (H is plotted on AB) is the altitude to the hypotenuse. Find the ratio of AH:HB, if the measure of BAC=30 degrees

Pls include full proof tysm!! <3

Answers

Answer: The value of the ratio is 3

This can be expressed as 3:1
-------------------------------------
-------------------------------------

Explanation:

Draw out the right triangle ABC where the right angle is at angle C. Draw a perpendicular line segment from point C to the hypotenuse AB. Mark the angle BAC to be 30 degrees. Let the opposite side of the 30 degree angle be x units long. Let AH = y and HB = z. The goal is to find y/z which is the ratio AH:HB.
See Figure 1 (attached) for what the drawing should look like.

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

Now add in the other angles such as ABC = 60 degrees. If you focus on triangle AHC, we have a right angle at angle H. At angle A we have the initial 30 degree angle. At angle C we have 60 degrees. See Figure 2.

Similarly, we have another 30-60-90 triangle for triangle CHB as shown in Figure 2.

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

We'll use the special 30-60-90 triangle template as shown in Figure 3. Compare Figure 2 and Figure 3. Do this for triangle ABC. We see that AH+HB = y+z matches up with AB = 2x. This must mean that 2x = y+z

Furthermore, we have two additional 30-60-90 triangles which are smaller. For triangle AHC we have what you see in Figure 4. It looks a bit ugly but basically AH is equal to (x*sqrt(3))/2 since we divide the original x*sqrt(3) over 2. This is due to the fact that the hypotenuse is twice as large as the short leg. Now multiply the length of CH by value sqrt(3) to get what you see shown as the work on Figure 4. We end up wih y = (3x)/2. We'll use this later.

So write y = (3x)/2 down and put a box around it to remember to use it later.

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

Now turn to Figure 5. This figure is a lot nicer than figure 4. Start with focusing on triangle CHB. The hypotenuse is BC = x. Half of this is x/2 which is the length of the short leg HB.

So z = x/2

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

We found earlier that
y = (3x)/2
z = x/2

Divide the values to get

y/z = [ (3x)/2 ] divided by (x/2)
y/z = [ (3x)/2 ] * (2/x)
y/z = (3x*2)/(2*x)
y/z = (6x)/(2x)
y/z = 3

So after all that complicated messy work, we end up with the simple final answer of 3.

This can be expressed as 3:1

This means that AH is three times longer compared to HB (eg: AH could be 12 units long while HB is 4 units long)

find the slope of the line that contain the following points A(5,6),B(10,8)

Answers

find the gradient
y2-y1/x2-x1
= 8-6/10-5
=2/5

The ______________ between any two points on a number line is the absolute value of the difference of the coordinates.

Answers

The distance between any two points on a number line is the absolute value of the coordinates.

The distance between any two points on a number line is the absolute value of the difference of the coordinates.

What is number line?

Number lines are the horizontal straight lines in which the integers are placed in equal intervals. All the numbers in a sequence can be represented in a number line. This line extends indefinitely at both ends.

Since,the difference of the coordinates between any two points on a number line is the distance between the coordinates,

Let two points a and b on the number line, we define the distance between these two points as

|a−b|

where |…| is the absolute value function. As we can see, the distance between two points is always non-negative.

So, the absolute value of the difference of the coordinates between any two points on a number line is always positive.

Hence,The distance between any two points on a number line is the absolute value of the difference of the coordinates.

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What is the coefficient in the expression 3x/13+4?

Answers

The coefficient is the multiplication constant with a variable thus in the expression 3x/13 + 4 the number 3/13 will be the coefficient.

What is an expression?

A mixture of variables, numbers, addition, subtraction, multiplication, and division are called expressions.

An expression is a mathematical proof of the equality of two mathematical expressions.

It is known that the coefficient is the constant which is in multiplication with a variable.

In general, variables are represented by x,y, and z.

The given expression is 3x/13 + 4.

Here,x is a variable therefore the term 3/13 will be a coefficient.

Hence "The coefficient is the multiplication constant with a variable thus in the expression 3x/13 + 4 the number 3/13 will be the coefficient".

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