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marysya [2.9K]
3 years ago
15

Define conjecture in maths​

Mathematics
1 answer:
Svetach [21]3 years ago
7 0
A conjecture is a conclusion or a proposition which is suspected to be true due to preliminary supporting evidence, but for which no proof or disproof has yet been found.
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Why can 2 obtuse angles make a right triangle please help
djverab [1.8K]
They can NOT.  A right angle is 90°.  An obtuse angle is greater than 90°.  All the angles in a triangle must add up to exactly 180°.  If two angles are greater than 90° then they will add up to greater than 180, beacuse 90 plus 90 equals 180.  You cannot have a triangle with two obtuse angles because they will add up to greater than 180°.
8 0
4 years ago
25x^2+40x+16=28<br><br><br><br><br>Ansa ASAP
Paha777 [63]
Solution:
1. Move all terms to one side
<span>25{x}^{2}+40x+16-28=0</span>  2. Simplify <span>25{x}^{2}+40x+16-28 to <span>25<span>x<span><span>​2</span><span>​​</span></span></span>+40x</span></span><span><span>−12</span></span>
<span>25{x}^{2}+40x-12=0</span>  3. Apply the Quadratic Formula<span>x=\frac{-40+20\sqrt{7}}{50},\frac{-40-20\sqrt{7}}{50}

</span> 4. Simplify solutions
<span>x=-\frac{2(2-\sqrt{7})}{5},-\frac{2(2+\sqrt{7})}{5}</span> Done!
8 0
4 years ago
What is the area of the triangle
Anna11 [10]

Answer:

10

Step-by-step explanation:

1. The area of triangle is = (A*h)/2, where h is the height grounded on side A.

2. Given the height 5 and the side 4 we get S(area)=(5*4)/2=10.

4 0
3 years ago
I need help with algebra, Can someone help me pls?<br> Y=2x-4<br> X+2y=10
denis23 [38]
Y=2x-4
X=2
X+2y=10
X+2x0=10
X+0=10 therefore, x=10
4 0
3 years ago
Read 2 more answers
Graph the line that passes through the points (0,-5) and (-5,_6)
joja [24]

Answer:

Step-by-step explanation:

First find the slope(m) between (0,-5) and (-5,-6)

m = \frac{y_2-y_1}{x_2-x_1} = \frac{-6-(-5)}{-5-0} = \frac{-1}{-5} =    \frac{1}{5}

y = \frac{1}{5}x -5

I attached the graph. I used desmos.

Hope that helps!

5 0
2 years ago
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