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NemiM [27]
3 years ago
11

X squared minus x minus 6 =0

Mathematics
1 answer:
max2010maxim [7]3 years ago
7 0
Xsquared-x-6=0
(x-3)(x+2)=0
x=-2,3
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“twice the sum of a number and 6 is more than 84”
stealth61 [152]

Answer:

81

Step-by-step explanation:

2x+6=84

2x=78

81

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2 years ago
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steposvetlana [31]

Answer:

Step-by-step explanation:

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5 0
2 years ago
Please help with 3 questions and show all work!!!
sergeinik [125]
Question 1:
Since the triangles are congruent, we know that QS = TV
This means that 
3v + 2 = 7v - 6
Subtract both sides by 2
3v = 7v - 8
Subtract 7v from both sides
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Divide both sides by -4
v = 2
Plug this value back into 3v + 2 and you get 8.
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Since the triangles are congruent
QS = 8    AND    TV = 8

Question 2:
So we know that AC = AC because that's a shared side.
It's also given that BC = CD.
In order for two triangles to be congruent by SAS, the angle between the two sides must be congruent.
That means angle C must be congruent to angle C from the other triangle.

Question 3:
We know that AC = AC because it's a shared side.
We also know that angle A from one triangle is equal to angle C from the other.
However, for a triangle to be congruent by SAS, the congruent angle must be between two congruent sides. 
In order for us to prove congruence by SAS, AD must be congruent to BC.

Have an awesome day! :)
3 0
2 years ago
The first number in a pattern is 8. Each following number is found by subtracting 9 from the previous
ser-zykov [4K]

Answer:

8,-1,-9,-18,-27,-36

and so on i would think it would be -27

Step-by-step explanation:

3 0
3 years ago
Help how do i find the missing height of a parallelogram
WINSTONCH [101]

Answer:

To find the missing base, you simply divided the area by the given height. This will work the same way if you are looking for the height. To find the missing height, divide the area by the given base.

Step-by-step explanation:

base = 35cm, height = ? cm, and a = 700 cm^2 a = bh

700 = 35 x h

700/35 = 35 x h/35

20 = h

Therefore, the answer would be 20cm. Hope this helps! :)

7 0
2 years ago
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