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garri49 [273]
3 years ago
6

What it the x and y intercept of y=2x^2+3x+1

Mathematics
1 answer:
diamong [38]3 years ago
8 0
The x-intercepts are (-1/2, 0) and (-1,0).

The y-intercept is (0,1).
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Solve for x. Solve for x.
Nitella [24]

Answer:

4√3

Step-by-step explanation:

This is a right triangle. When two sides are given in a right triangle, we need to use the Pythagorean Theorem to solve for the third side.

Pythagorean Theorem: a² + b² = c²

The a here is 11, while the b is x. The c is always the hypotenuse (the longest side), which is 13.

Now we substitute:

11² + x² = 13²

121 + x² = 169

-121           -121

x² = 48

√x² = √48

x = √48 <-- We can simplify that.

√48 = 12 * 4 = 3 * 4 * 4 = 4√3

4 0
2 years ago
Read 2 more answers
How do I do this number 5 and 6
grin007 [14]

Answer:

5. 40

Step-by-step explanation:

(14) +(4x+6) = 8x

14 + 4x+ 6 = 8x

20 = 8x - 4x

4x = 20

x = 5

RT = 8x

= 8 * 5....since x = 5

= 40

4 0
2 years ago
A bookshelf is 72 inches wide. If I plan to place books on the shelf that average ¾ inches in width, about how many books will f
IceJOKER [234]

Number of books that can fit on the shelf = Width of bookshelf/ width of average book = 72 x \frac{4}{3} = 96 books

I hope this answer helps! If you have any questions, feel free to ask.

3 0
3 years ago
Rewrite without rational exponents, and simplify, if possible   (x²y²)1/7    
SIZIF [17.4K]
(x^2y^2)^\frac{1}{7}=\sqrt[7]{x^2y^2}
6 0
2 years ago
Please help, I have two questions that I need answers to for 25 points!
arsen [322]

Answer:

1) 6+7=42feet^{2}

2) Beginning (0,0,-25) end (0,-20,-25)  

Step-by-step explanation:

1) Plot these point on graph. By this you can determine the fourth coordinate(-3,4) as it is a rectangle.

So, length =7

     breadth =6

area =7*6 =42feet^{2}

2) Here height of rack is 25 feet thus it's Z coordinate is -25.

  It moved 20 feet south along Y axis thus Y coordinate = -20

  No movement in X thus x coordinate =0

Thus , beginning (0,0,-25) end (0,-20,-25)  

7 0
3 years ago
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