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valkas [14]
3 years ago
14

8. Subtract the polynomials: (3x2 + 5x – 8) – (2x2 - 4x + 3) please give steps!!

Mathematics
2 answers:
Yuliya22 [10]3 years ago
6 0

Answer:

(3×2+5x-8)-(2×2-4x-3) = (6+5x-8)-(4-4x-3)

= 6+5x-8-4+4x+3

= -3+9x

Solnce55 [7]3 years ago
3 0

\\ \sf\longmapsto 3x^2+5x-8-(2x^2-4x+3)

\\ \sf\longmapsto 3x^2+5x-8-2x^2+4x-3

\\ \sf\longmapsto 3x^2-2x^2+5x+4x-8-3

\\ \sf\longmapsto x^2+9x-11

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In a group of students, 30 played chess, 19 played volleyball, 25 played
saul85 [17]

Answer:

Explained below.

Step-by-step explanation:

Denote the events as follows:

<em>C</em> = chess

<em>V</em> = volleyball

<em>B</em> = basketball

The data provided is as follows:

n (C) = 30

n (V) = 19

n (B) = 25

n (C ∩ V) = 14

n (B ∩ V) = 8

n (B ∩ C) = 15

n (C ∩ V ∩ B) = 5

Consider the Venn diagram below.

The number of students who played only chess is marked in pink:

n (Only C) = 6

The number of students who played only volleyball is marked in blue:

n (Only V) = 2

The number of students who played only basketball is marked in orange:

n (Only B) = 7

The number of students who played all three is marked in grey:

n (C ∩ V ∩ B) = 5

5 0
4 years ago
Need asap doing a quiz
Jet001 [13]
That’s 2 the answer is 2
7 0
3 years ago
5 times p squared times q+ 10q
Basile [38]

Answer:

5*p^2*q+10q = 5p^2*q + 10q

Step-by-step explanation:

5 * p  squared * q + 10q = 5p^2*q+10q

5 0
3 years ago
Question 8: The equation of motion of a particle is
lawyer [7]

Answer:

D) 22\:\text{m/s}^2

Step-by-step explanation:

Acceleration is the derivative of velocity, which is the derivative of position, so we must differentiate the function twice:

Position of Particle: s(t)=t^3-4t^2+2t+8

Velocity of Particle: v(t)=3t^2-8t+2

Acceleration of Particle: a(t)=6t-8

After t=5 seconds, the acceleration of the particle is a(5)=6(5)-8=30-8=22\:\text{m/s}^2

4 0
3 years ago
Marcus and Jeremy both evaluated the expression −52 + 3. Marcus said the answer was −22. Jeremy said the answer was 28. Who is c
Artyom0805 [142]

Answer:

Alright, the answer to the equation -52+3= -49

Step-by-step explanation:

I don't know how the heck Marcus and Jeremy got -22 and 28 but both are wrong. If there were a picture so I could see their work, I would be able to figure it out.

Anyways, The math is:

-52 + 3 which is pretty much 52-3 and then the answer has a negative sign.

-52 goes up 3 because technically the negative sign is down. Counting up 3 from 52 equals -49.

6 0
3 years ago
Read 2 more answers
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