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MAXImum [283]
3 years ago
5

Help me solve this plz 7(3x+6)=11-(x+2)

Mathematics
2 answers:
choli [55]3 years ago
3 0

Answer:

i think - 3/2

Step-by-step explanation:

Lorico [155]3 years ago
3 0
Oh okie so sorry I forgot to
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Time=distance/speed
621÷51.75
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a rectangle has a length of 9.3 time 10 to the 2nd power and width 8.4 times 10 to the 2nd power. what is the area of the rectan
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3 years ago
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
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dimaraw [331]

( {x}^{2}  -2x + 3)(x + 1) \\  {x}^{3}  - 2 {x}^{2}  + 3x +  {x}^{2}  - 2x + 3 \\  {x}^{3}  -  {x}^{2}  + x + 3

Therefore, the answer is the first choice.

3 0
3 years ago
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Probability ~
tatuchka [14]

A.

A - selecting a milk chocolate

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B.

The number of the chocolates must be a multiple of 15, so there can be 15,30,45,... etc. chocolates in the box.

4 0
4 years ago
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