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vazorg [7]
2 years ago
7

Solve 2x squared + 13x equals to 15​

Mathematics
2 answers:
sergejj [24]2 years ago
5 0

Answer:

x=1, x=-15/2

Step-by-step explanation:

xxMikexx [17]2 years ago
4 0
Hi there hope you can see the pic please let me know if the answer is wrong and I will try to redo it for you

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Write an inequality that represents the verbal expression. All real numbers greater than or equal to 38.
Natasha_Volkova [10]
That  inequality  would be  n ≥ 38
7 0
3 years ago
Convert 3.4 meters to centimeters. cm<br> can someone pls help thx! :&gt;
valentina_108 [34]

Answer: 340 centimeters

Step-by-step explanation: Just times 3.4 by 10 to get 340 centimeters.

Hope this helped!

Please mark brainliest if you feel like it!

8 0
3 years ago
2 x - 17 = 11.<br> Help please
Svet_ta [14]

Step-by-step explanation:

Perhaps you want to solve the equation for the value of x. If so then let us work it out:

2x - 17 = 11 \\ 2x = 11 + 17 \\ 2x = 28 \\ x =  \frac{28}{2}  \\  \huge \red { \boxed{x = 14}}

8 0
3 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
-4v = -8
Divide both sides by -4
v = 2
Plug this value back into 3v + 2 and you get 8.
QS = 8
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
Which set of numbers could be the lengths of the sides of a triangle A. 2,5,6
Alexxandr [17]
The answer is b 3,5,9
6 0
3 years ago
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