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iogann1982 [59]
3 years ago
9

PLS HELP ASAP

Mathematics
1 answer:
slega [8]3 years ago
6 0

Answer:

rn or later?

Step-by-step explanation:

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Hi please help i’ll give brainliest
muminat

Answer:

A

Step-by-step explanation:

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3 years ago
How do you solve 3x-6y=21 and -5x-y=42
klasskru [66]

Answer:

1.) -7/2

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8 0
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So confused! I have the answer, but can't understand the explanation. Please help...
andrey2020 [161]
(mx^3+3)*(2x^2+5x+2)-(8x^5+20x^4)=8x^3+6x^2+15x+6 \\ (mx^3*2x^2)+(mx^3*5x)+(mx^3*2)+(3*2x^2)+(3*5x)+(3*2) \\ -8x^5-20x^4=8x^3+6x^2+15x+6\\ \\ 2mx^5+5mx^4+2mx^3+6x^2+15x+6-8x^5-20x^4 \\ =8x^3+6x^2+15x+6 \\ \\ (2m-8) x^{5} +(5m-20) x^{4} +2mx^3+6x^2+15x+6 \\ =8x^3+6x^2+15x+6 \\ \\ (2m-8) x^{5} +(5m-20) x^{4} +(2m-8)x^3=0 \\ (m-4) 2x^{5} +(m-4) 5x^{4} +(m-4)2 x^3=0 \\ (m-4)( 2x^{5} + 5x^{4} +2 x^3)=0 \\ m=4

6 0
3 years ago
Read 2 more answers
What is the sum? complete the equation 3 1/7 + (-5 4/7)
kirill [66]

Answer:

The answer is

- 2 \frac{3}{7}

6 0
2 years ago
If i have 20 apples and jimmy has 20 apple then how much do they have together
Free_Kalibri [48]

Answer:

40

Step-by-step explanation:

add 20+20 and that equals 40

7 0
3 years ago
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