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wariber [46]
2 years ago
5

Three times the difference of a number and nine.​

Mathematics
1 answer:
Nikitich [7]2 years ago
6 0

Answer:

3*x-9

Difference means subtraction and times means multiplication!

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A parallelogram has side length of 9x+12 and 3x-4.what is the perimeter ?
Karo-lina-s [1.5K]
2(9x+12) + 2(3x-4)
because there are four sides, and it is a parallelogram, the opposite sides are equal. the answer is 24x+16
7 0
2 years ago
In a class room 3/10 of the students are wearing blue shirts and 3/5 are wearing white shirts there are 20 students In The class
shtirl [24]

Total number of students in the class = 36

Number of students wearing blue shirts = (1/6) * 36

                                                                = 36/6

                                                                = 6

Number of students wearing white shirts = (2/3) * 36

                                                                 = 2 * 12

                                                                 = 24

Then

Number of students not wearing blue or white shirts in the class = 36 - (6 + 24)

                                                                                                       = 36 - 30

                                                                                                       = 6

So 6 students in the class are wearing a shirt other than a blue or a white shirt. I hope the procedure is clear enough for you to understand.

5 0
2 years ago
Which statement is true based on the diagram?
Margarita [4]

Answer:

option B

Step-by-step explanation:

Triangle RST~ TRIANGLE RQP

6 0
2 years ago
Read 2 more answers
X^2+ 3 has a value of 28. What term in the sequence has a value of 28?
VikaD [51]

Answer:

5th term

Step-by-step explanation:

x^2 +3 = 28

Subtract 3 from each side

x^2+3-3 =28-3

x^2 = 25

Take the square root of each side

sqrt(x^2) = sqrt(25)

x = 5

(x could be -5, but there are not usually negative terms in a sequence)

5 0
2 years ago
Read 2 more answers
How dou you solve for 6x+4y=24?
lilavasa [31]
You could first solve for y, assuming x is 0, and y = 6. Then solve for x, and that means y = 4.
3 0
3 years ago
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