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Kamila [148]
3 years ago
5

The product of x and 7 is at least 21

Mathematics
2 answers:
Natali [406]3 years ago
8 0
It’ll be 3

7 x 3 = 21
avanturin [10]3 years ago
4 0
3 or greater. You could replace x with any number greater than 3, and your product would be at least 21. I hope this helps :)
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Please help! I’ll also give brainliest! Thank you!
navik [9.2K]

Answer: Union of two sets.

Explanation: "An element is in the union of two sets if it is in the first set, the second set, or both. The symbol we use for the union is  ∪ . The word that you will often see that indicates a union is "or".

Your Welcome :-)

4 0
2 years ago
Jada rewrites 5•3^x as 15x. Do you agree with Jada that these are equivalent expressions? Explain your reasoning. Help me please
Veseljchak [2.6K]

Answer:yes

Step-by-step explanation:

5*3=15

5*3x=15x

7 0
3 years ago
Look at the two equations:
Dvinal [7]

Answer:

- 3x + 6 = 21

- 3x = 21 - 6

- 3x = 18

- 3x \div  - 3 = 18 \div  - 3

x =  - 6

- 3x + 6 < 21

- 3x  < 21 + 6

- 3x < 27

- 3x \div  - 3 < 27 \div  - 3

x >  - 9

8 0
3 years ago
HELP MEH PLEASEEE
algol13

Answer: -6(n - 3) = 18, n = 0

Step-by-step explanation:

The equation "The difference between a number and three is multiplied by negative six. The result is eighteen." can be expressed as -6(n - 3) = 18. To find n, you solve algebraically to get n = 0.

I hope this helps!

6 0
2 years ago
Which are true if figure DEFG is reflected across the x-axis? Check all that apply.
meriva

Answer: The correct options are 1,2 and 3.

Explanation:

If a figure reflected across the x-axis then the x-coordinate remains same but the sign of y-coordinate changes.

According to the reflection rule across the x-axis,

(x,y)\rightarrow(x,-y)

From the given figure it is noticed that the coordinate of point D(0,4) and E(-2,0).

After reflection,

D(0,4)\rightarrow D'(0,-4)

E(-2,0)\rightarrow E'(-2,0)

Therefore the option 1 and 2 are correct.

From the given figure it is noticed the distance of point G from the x-axis is 2, therefore the distance from the G' to x-axis is also 2, because the distance of preimage and image are equal from the line of reflection.

Therefore, the option 3 is correct.

From the given figure it is noticed the distance of point D from the x-axis is 4, therefore the distance from the D' to x-axis is also 4.

Therefore, the option 4 is incorrect.

From the below figure it is clearly noticed that the orientation will not be preserved. Because the sides are not equal, so the reflection will change the orientation.

7 0
3 years ago
Read 2 more answers
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