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bixtya [17]
3 years ago
13

Combine like terms. 12x²+9x³-5x³-5²-3x²-8x⁴

Mathematics
2 answers:
Marysya12 [62]3 years ago
5 0
Like terms are similar in exponents.
12x^2 can be combined with -3x^2
9x^3 with -5x^3
-8x^4 is on its own
Final=
-8x^4 + 4x^3 + 4x^2
atroni [7]3 years ago
5 0
The like terms have the same degree. 
Answer 
-8x⁴ + 4x³ + 4x²
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WHAT IS THE MLA SURE OF ANGLE D PLZ HELP
Oliga [24]
AEB = CED = 180 - 45 - 14 = 121 deg
EDC = 180 - 121 - 27 = 32 deg

So angle D is 32 degrees
6 0
3 years ago
Match these similar triangles proof<br>​
AlekseyPX

Answer:

B

C

F

D

H

A

G

E

Step-by-step explanation:

Ok. They are trying to reconstruct the smaller looking triangle in the bigger triangle using angle A as the common angle.

The first statement is always the given.

Second they constructed line segment XY into the bigger triangle so that XY is parallel to BC.

Third, from the construction of the parallel lines we can now find corresponding angles that are congruent. This would be the use of F.

Since we have all three angles in triangle AXY and triangle ABC, then the construction of the smaller triangle we made inside the bigger triangle is similar to the bigger triangle. So we have the triangles are similar. You could say E or D here in my opinion. This is choice D.

Fifth the creation of those fractions of sides being equal comes from us knowing the corresponding sides of similar triangles are proportional. This is choice H.

Things looked cut off for the sixth thing so I can't fully read it, but it is possible a substitution has occured.

The seventh thing is a congruence statement which can be proven by a congruence postulate. The only one listed is SAS. So that is G.

The last thing, since the triangle construction is congruent to the smaller triangle then we know the smaller triangle is also similar to the bigger triangle since the bigger one is also similar to the construction we made. I really think E and D is interchangeable. Choice E goes here.

7 0
3 years ago
What can I multiply 12 by to get 1000
Andreas93 [3]

Answer:

83.33333333333333

Step-by-step explanation:

I think this is answer.

7 0
3 years ago
How many 3 3/4 foot pieces ribbon can be cut from a pieces of ribbon that is 36 feet long.
lara [203]

Answer:

9\frac{3}{5}

Step-by-step explanation:

3 3/4 = 15/4

\frac{36}{1} ÷ \frac{15}{4}=

\frac{36}{1} *\frac{4}{15}=

\frac{12}{1} *\frac{4}{5}=

=\frac{48}{5}

=9\frac{3}{5}

Hope this helps

5 0
3 years ago
EASY MATH QUESTIONS<br><br> NEED HELP
Nikitich [7]

Answer:

f(6) = -14

Step-by-step explanation:

x = -6

f(x) = x^2/3 - 2

f(-6) = (-6)^2/3 -2         Replace x with the given number

      = -36/3 - 2            Simplify -6 to the power of 2

      = - 12 - 2                Divide -36 by 3

f(6) = - 14                      Subtract -2 from -12

8 0
3 years ago
Read 2 more answers
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