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3 years ago

Solve the inequality -7x >21. What is the graph of the solution

Mathematics

2 answers:

Anni [7]3 years ago

5 0

Answer:

-3 > x

Explanation:

-7x > 21

___ ___

-7 -7

x < -3

Now, whenever we divide or multiply by a negative, we reverse the inequality symbol.

In order to graph this, you do what I call the zero-interval test, which in this case, we plug in 0 for x, and determining whether the statement is false or true, determines which side we shade:

0 < -3 [Since this is a false statement, instead of shading to the right, we shade to the left.]

I am joyous to assist you anytime.

umka21 [38]3 years ago

3 0

Answer:

After solving the inequality -7x >21 the answer is x < -3

Step-by-step explanation:

Solve the inequality -7x >21. What is the graph of the solution

Solving:

-7x > 21

Multiply both sides by -1

The inequality sign is reversed

7x < - 21

Now divide both sides by 7

7x / 7 < -21/7

x < -3

The graph is attached in the figure below.

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0.72 is ten times as much as ________. *

RideAnS [48]

Answer:

0.072 or .072

Step-by-step explanation:

0.72 is ten times as much as 0.072.

0.072 times 10 is .72.

0.72 / 10 = 0.072 .

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3 years ago

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The mass of a vase is 0.3kilgram. A flower has a mass that is 0.03 times the mass of the vase. What is the mass of the flower?

deff fn [24]

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3 years ago

Is the following statement a good definition? Why? An integer is divisible by 100 if and only if its last two digits are zeros.

kifflom [539]

The given statement is:
An integer is divisible by 100 if and only if its last two digits are zeros

The two conditional statements that can be made are:

1) If an integer is divisible by 100 its last two digits are zeros.

This is a true statement. If a number is divisible by 100, it means 100 must be a factor of that number. When 100 will be multiplied by the remaining factors, the number will have last two digits zeros.

2) If the last two digits of an integer are zeros, it is divisible by 100.

This is also true. If last two digits are zeros, this means 100 is a factor of the integer. So the number will be divisible by 100.

Therefore, the two conditional statements that are formed are both true.

So, the option A is the correct answer.
Yes, it is. When the definition is separated into two conditional statements, both of the statements are true

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3 years ago

Which are solutions of 1 < 3x – 2 < 13?

AURORKA [14]

Answer:

0.076 or 4.409 try both its one of those two

Step-by-step explanation:

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B9%20%7Bx%7D%5E%7B2%7D%20%7D%20" id="TexFormula1" title=" \sqrt{9 {x}^{2} } " alt=

Firlakuza [10]

The answer would be 3x i believe
hope this helps! if it doesn't, let me know in the comments! have a great day!

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3 years ago