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Andrew [12]
2 years ago
14

(-q^2 + 3q + 4) - (7q^2 + 7q)

Mathematics
1 answer:
vfiekz [6]2 years ago
4 0

Answer:−

2

−

7

2

−

4

+

4

Step-by-step explanation:

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A human body that is performing light work generates about 400 btus of the body heat per hour while active. if an office that is
Neporo4naja [7]
I got none of the above my answer is 1.6 BTUs/ft3. I did 400 x 8 x 3 for total BTUs = 9600 btus and the volume of the room was 20 x 30 x10 ft = 6000 cu ft so 9600/6000= 1.6 BTUs/ft3
6 0
3 years ago
The vertices of triangle LMN are L(3,0), M(7,0) and N(3,8). What is the area of Triangle LMN?
Serggg [28]

Answer:

(x, y) → (x – 8, y + 11)

Step-by-step explanation:

We are given the vertices of the triangle with their respective coordinates. For the vertex L, the translated coordinates is also given. So, from the original coordinates of L and the new coordinates, we can get the rule used during translation:(7, -3) -> (7 + a, -3 + b) = (-1, 8)7 + a = -1a = -8

-3 + b = 8b = 11

5 0
3 years ago
Find the perimeter and the area of the figure
valina [46]

Answer:

area=112

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3 0
2 years ago
Substitute the values for a, b, and c into b2 – 4ac to determine the discriminant. Which quadratic equations will have two real
adoni [48]

Step-by-step explanation

<h3>Prerequisites:</h3>

<u>You need to know: </u>

b^2 - 4ac = 0 \Rightarrow 1 solution

b^2 - 4ac > 0 \Rightarrow 2 solutions

b^2 - 4ac < 0 \Rightarrow No\ real\ solutions

----------------------------------------------------------------

2x^2-7x-9 = 0

b^2 - 4ac

-7^2 - 4(2)(-9) = 121

2 Solutions

---------------------------------------------------------------

x^2-4x+4 = 0

b^2 - 4ac

-4^2 - 4(1)(4) = 0

1 Solution

---------------------------------------------------------------

4x^2-3x-1 = 0

b^2 - 4ac

-3^2 - 4(4)(-1) = 25

2 Solutions

---------------------------------------------------------------

x^2-2x-8 = 0

b^2 - 4ac

-2^2 - 4(1)(-8) = 36

2 Solutions

---------------------------------------------------------------

3x^2+5x+3 = 0

b^2 - 4ac

5^2 - 4(3)(3) = -11

No Solutions

---------------------------------------------------------------


3 0
3 years ago
Read 2 more answers
What is the product of -4 × -(-5)
Butoxors [25]

Answer:

<em>-4</em><em>×</em><em>(</em><em>-5</em><em>)</em><em>=</em><em>20</em>

<em>have a nice day</em><em> </em><em><</em><em>3</em>

7 0
3 years ago
Read 2 more answers
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