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zhannawk [14.2K]
3 years ago
12

Which algebraic expression means “four less than three times a number”?

Mathematics
1 answer:
Monica [59]3 years ago
5 0

It’s 3n-4

I might be right or wrong

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Jenny and her children went to the SeaWorld.She purchased adult ticket for herself and children tickets for her 2 boys. Tickets
dangina [55]

Given:

She purchased adult ticket for herself and children tickets for her 2 boys.

Cost of one adult ticket = $39.99

Cost of one child ticket = $19.99

To find:

The expression to represent the total cost of the tickets Jenny purchased.

Solution:

Let x represent the number of adult ticket purchase

and y represent the number of child tickets purchase.

Cost of one adult ticket = $39.99

Cost of one child ticket = $19.99

Total cost = 39.99x + 19.99y

Therefore, the expression for total cost is 39.99x + 19.99y.

She purchased one adult ticket and 2 child tickets.

Substitute x=1 and y=2 in the above expression.

Total cost = 39.99(1) + 19.99(2)

               = 39.99 + 39.98

               = 79.97

Therefore, the required expression to represent the total cost of the tickets Jenny purchased is 39.99(1) + 19.99(2) and total cost is $79.97.

3 0
3 years ago
Please help me out.................
user100 [1]

Answer:

y = 15

Step-by-step explanation:

In a parallelogram, opposite lengths are equal.

So it means that the length (5y - 20) is equal to (2y + 25).

Now that there is only one variable in the equation, we can solve for the variable.

5y - 20 = 2y + 25

5y - 2y = 25 + 20

3y = 35

y = 15

5 0
3 years ago
8 x plus 2y equal 7?​
juin [17]

Answer:

8x+2y=68

If this doesn't answer your question, please comment so that I can help you.

4 0
3 years ago
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Convert the rectangular equation to polar form. assume a is less than 0.<br> x=10
Ilia_Sergeevich [38]
R cos(t) =10 r = 10/cos(t)
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Two Points P and Q, 25 meters apart, are on the same Straight line, the same side and the same ground Level as the foot of the t
Lelechka [254]

Answer:

b

Step-by-step explanation:

7 0
2 years ago
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