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bixtya [17]
2 years ago
10

Subtract 3x²-5x+7from5x²-7x+9​

Mathematics
1 answer:
alexgriva [62]2 years ago
5 0

Answer:

2x^2-2x+9

Step-by-step explanation:

5x^2-7x+9-3x^2+5x\\=5x^2-3x^2-7x+5x+9\\= 2x^2-2x+9

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The equation 1.5r+15=2.25r1.5r+15=2.25r represents the number rr of movies you must rent to spend the same amount at each movie
Lelu [443]
1.5r+15=2.25r
Combine like terms: 1.5r+15-1.5r=2.25r-1.5r
15=0.75r
Get the unknown alone: 15/.75=.75/.75r
20=r or r=20 :)

7 0
3 years ago
Allen needs to prepare a compound for the patient to pick up tomorrow. He needs to mix of drug A, with of drug B and of drug C.
Phoenix [80]

Answer:

76/15

Step-by-step explanation:

Add the drug combinations together

Drug A + B + C=2/5 + 5/3 + 9/3

The L.C.M of the denominators is 15

=6+25+45/15

=76/15

Or

=5 1/15

Allen needs to prepare 76/15 compound for the patient

5 0
2 years ago
Where does f(x) = g(x)
olya-2409 [2.1K]

f(x) = g(x) at x = 2.

In order to find this, you look for where the two graphs intersect. In this case, they intersect at the point (2, 5). At this point, both f(x) and g(x) both equal 5. So to identify the point, we need to look at the x value of the ordered pair, which is x = 2.

3 0
3 years ago
Which of the following are solutions to the equation sinx cos(pi/7)-sin(pi/7)cosx=sqrt(2)/2
Arturiano [62]

The solution would be like this for this specific problem:

sin ( x - ( pi / 7 ) ) = - sqrt ( 2 ) / 2
x - ( pi / 7 ) = - pi / 4 + 2n*pi or x - ( pi / 7 ) = (5pi / 4 ) + 2n*pi
x = ( pi / 7 ) - ( pi / 4 ) + 2n*pi or x = ( 5pi / 4 ) + ( pi / 7 ) + 2n*pi
x = ( - 3pi / 28 ) + 2n*pi 

<span>I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span>

6 0
3 years ago
Read 2 more answers
Write a fraction less than 1 with a denominator of 6 that is greater than 3/4
serg [7]
The answer you are looking for is 5/6
7 0
3 years ago
Read 2 more answers
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