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jenyasd209 [6]
3 years ago
9

List all of the terms in equation (x - 5)(2x + 3)

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0
(X-5)(2x+3)=x(2x+3)-5(2x+3)
=x*2x+3*x-5*2x-5*3
= 2x^2+3x-10x-15
=2x^2-7x-15

Terms are: 2x^2. ; -7x. ; -15
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The school that Mary goes to is selling tickets to a spring musical. On the first day of ticket sales
andrezito [222]

Answer:

The cost of one adult ticket is $13, and the price of one student ticket is $4.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the cost of an adult ticket

y is the cost of a student ticket.

6 adult tickets and 1 student ticket for a total of $82

This means that

6x + y = 82

y = 82 - 6x

The school took in $51 on the second day by selling 3 adult tickets and 3 student tickets.

This means that

3x + 3y = 51

Simplifying by 3

x + y = 17

Since y = 82 - 6x

x + 82 - 6x = 17

-5x = -65

5x = 65

x = \frac{65}{5} = 13

y = 82 - 6x = 82 - 6*13 = 82-78 = 4

The cost of one adult ticket is $13, and the price of one student ticket is $4.

4 0
3 years ago
Select the following lines that would be perpendicular to y = 3x + 1. (Select ALL correct)
max2010maxim [7]

Answer:

The line passing through points (1,4) and (4,3).

The line passing through points (1,-4) and (4,-5).

Step-by-step explanation:

Since the equation is y=3x+1

If it was perpendicular, it means the slope would be the negative reciprocal.

So the slope would be -1/3

9-8/6-3=1/3 (not negative) <u>No</u>

3-4/4-1=-1/3 <u>Yes</u>

-5+4/4-1=-1/3 <u>Yes</u>

6-3/5-4= 3/1 <u>No</u>

6 0
3 years ago
75% of 260 = _________​
Mazyrski [523]

Answer:

195

Step-by-step explanation:

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It is twice as long as the wire
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Sloan [31]
7 times 6 equals 42.
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$54 is the answer
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3 years ago
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