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ss7ja [257]
3 years ago
15

Solve y= 2x^2 + 4x + 1 by quadratic factoring

Mathematics
1 answer:
ollegr [7]3 years ago
5 0

Solve the rational equation by combining expressions and isolating the variable y (solve for y). So, nothing further can be done with this topic:

Answer: y=2x^2+4x+1

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Determine both the x and y intercepts. Please help! Will mark brainliest!
Mademuasel [1]

Answer:

y-intercept: (0, 2.5)

x-intercept: (1.67, 0)

Step-by-step explanation:

Right now, you have 3x + 2y = 5. You want to change it into slope-intercept form to make the problem easier to solve.

2y = -3x + 5

y = -3/2x + 5/2

From here, you can see that the y-intercept is (0, 5/2). You can also say that the y-intercept is (0, 2.5).

To get the x-intercept, substitute 0 for y.

0 = -3/2x + 5/2

3/2x = 5/2

3x = 5

x = 5/3

So, the x-intercept is (5/3, 0). You can also say that the x-intercept is (1.67, 0).

Hope this helps!

3 0
4 years ago
Read 2 more answers
Neeeeeeeeeeeeeeeed Helppppppppppppp
allsm [11]
Because a ║b you can say: 
-60 -2x = -70 -4x ⇒ -2x + 4x = -70 + 60 ⇒ 2x = -10 ⇒ x = -5 :)))
i hope this is helpful
have a nice day 
6 0
3 years ago
Helppppppppp
Anettt [7]

Answer:

The total number of U.S. high school students that played on a sports team that year can be estimated to be 7,950,000.

Step-by-step explanation:

From the random sample, we can expect that \frac{250000}{500000}=\frac{1}{2} of all students played on a sports team that year. So in the bigger sample of 15900000 high school students, we can expect 15900000 \cdot \frac{1}{2} = 7950000 students to have played on a sports team that year.

7 0
3 years ago
A rectangle is 36 inches x 48 inches.<br><br> what is the perimeter.?<br><br> what is its area.?
olga nikolaevna [1]
For area, just multiply the length x width
So therefore, multiply 36 inches x 48 inches and there you have it.

Now for the perimeter, it is a little different
You'd have to add the sides up together to get your answer for the perimeter.
So, 36 in + 36 in + 48 in + 48 in = answer
3 0
3 years ago
Read 2 more answers
miss Avery is going to bring the select one student from your class to read a poem out loud. There are 15 boys and 13 girls in t
tester [92]
There are 15 boys what are you asking the sentence is not complete
4 0
3 years ago
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