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3 years ago

Which number line shows the inequality n < -1

Mathematics

1 answer:

zlopas [31]3 years ago

5 0

Answer:number 4

Step-by-step explanation:

It shows the number which are smaller and compared them!

I hope this helps a lot and make sure to mark me as the brainliest

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What is the solution of the proportions 22/11 = r/13?

vagabundo [1.1K]

R=26, you can use cross multiplication to figure this proportion out. 22 times 13 is 286 and 11 times r is 11r , leaving you with 286=11r. you would then divide each side by 11 to isolating the variable giving you r=26.

4 0

3 years ago

Find the volume with radius 4 m and height 4 m .Use pencil and paper. How does the volume change when the height is tripled? Whe

VikaD [51]

Answer:

Step-by-step explanation:

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3 years ago

Is the set of real numbers closed under addition? Explain why or why not. If it is not closed, give an example

kicyunya [14]

Answer: Yes, the set of real numbers is closed under addition.

Explanation:

Let x and y be two real numbers. Their sum x+y is some other real number. This is what it means when we say the set of real numbers is closed under addition. Taking any two numbers and adding them will get us some other real number.

There is no way to have x+y be nonreal while x,y are both real.

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3 years ago

Mrs. Rouse has three times as many gladiolus as Mrs. Leal together they have 128 gladiolus write the system of equations for thi

natka813 [3]

R = # of Gladiolus Mrs. Rouse has
L = # of gladiolus Mrs. Leal has

R = 3L
R+L = 128

Solution for number of Gladiolus each has

3L + L = 128

4L = 128

L = 32

R = 3(32) = 96

3 0

3 years ago

The graph of y^2=x^2 is symmetric with respect to which axis? a. x-axis c. both b. y-axis d. neither

PtichkaEL [24]

Answer:

c. both

Step-by-step explanation:

Given equation is $y^2=x^2$

Now we need to check if the graph of $y^2=x^2$ is symmetric with respect to which axis?

a. x-axis c. both b. y-axis d. neither

We know that if f(-x) reflect the graph about y-axis

so let's change x by -x into given function to see if that equation remains unchanged or not

$y^2=(-x)^2$

$y^2=x^2$

That is same as previous equation.

<u>Hence given graph is symmetric about y-axis.</u>

We know that if -f(x) reflect the graph about x-axis

so let's change y by -y into given function to see if that equation remains unchanged or not

$(-y)^2=x^2$

$y^2=x^2$

That is same as previous equation.

<u>Hence given graph is symmetric about x-axis.</u>

So the correct choice is c. both

3 0

3 years ago

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