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shepuryov [24]
3 years ago
11

What is the sum of the polynomials?

Mathematics
1 answer:
lesya [120]3 years ago
5 0

Add the like terms:

8x2+x2=9x2

-9y2-3y2=-12y2

-4x-7x=-11x

Combine each term:

9x2-12y2-11x

Hope this helps!!

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If 3x - 8= -2, find the value of x - 6.
siniylev [52]

Answer:

x-6 = -4

Step-by-step explanation:

3x - 8= -2

Add 8 to each side

3x - 8+8= -2+8

3x = 6

Divide by 3

3x/3 = 6/2

x =2

We want to find x-6

2-6 = -4

4 0
3 years ago
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State if the two triangles are congruent. If they are, state how you know.
Gwar [14]

Answer:

The triangles can be congruent.

Step-by-step explanation:

They are congruent if proven by SSS: 2 sides are clearly stated that they are congruent due to the marks they have.

The last side can be congruent if the diagonals are congruent in length by proving.

They can also be congeuent due to SAS because there is gonna be alternate interior angles due to the transversal.

4 0
3 years ago
the sum of two numbers is 61. five times the smaller number is 23 more than the larger. find the numbers
Stella [2.4K]
Smaller Number = X
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X + (5x - 23) = 61
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X = 14
6 0
3 years ago
The distance between City A and City B is 200 miles. A length of 2.1 feet represents this distance on a certain wall map. City C
ratelena [41]

Answer:

300 miles

Step-by-step explanation:

200/2.1= 95.238...

95.238...*3.15=300

Hope this helps :)

3 0
3 years ago
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Is XYZ = ABC? If so, name which similarity postulate or theorem applies.
vazorg [7]

C. Similar - AA

There is no information given that shows differences between the two triangles so you can assume that they're similar.  The two angles are next to each other with no side interrupting them, and no side length is given, therefore the answer is Similar - AA (angle - angle)

3 0
3 years ago
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