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dusya [7]
3 years ago
9

Someone help me solve this please and with the steps :)?​

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
3 0

Answer:

7.20

Step-by-step explanation:

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Plssss help quick i need it for sum important
Vanyuwa [196]

(a) The product of (2x-4)\ and\ (3x^2-x+4)  is calculated to be =6x^3-14x^2+12x-16

(b)The product of (2x-4) \ and\ (3x^2-x+4)\ is not equal to the product of  (4x-2)\ and\ (3x^2-x+4)

<u>Step-by-step explanation:</u>

<u>(a)</u>

(2x-4)(3x^2-x+4)\\\\=(2x.3x^2)+(2x.-x)+(2x.4)+(-4.3x^2)+(-4.-x)+(-4.4)\\\\=6x^3-2x^2+8x-12x^2+4x-16\\\\=6x^3-14x^2+12x-16

b)

(4x-2)(3x^2-x+4)\\\\=(4x.3x^2)+(4x.-x)+(4x.4)+(-2.3x^2)+(-2.-x)+(-2.4)\\\\=12x^3-4x^2+16x-6x^2+2x-8\\\\=12x^3-10x^2+18x-8

The product of (2x-4) \ and\ (3x^2-x+4)\ is not equal to the product of  (4x-2)\ and\ (3x^2-x+4)

7 0
3 years ago
PLEASE HELP WITH THIS QUESTION​
Karolina [17]

Answer:

a) 0.8( 8/10 gives 0.8)

b)0.7( if it was 7/100 it would have been

0.07)

c)3.5( by converting mixed fractions to improper fractions, that is, 3×2+1 and having the same denominator 2… we get 7/2… for the purpose of converting it to decimal, 7×5/2*5= 35/10… by moving one decimal place to the left, we get 3.5)

D) 2.5 ( the same way as c) 5*5/2*5: 25/10 or you can make it to be 5*50/2*50: 250/100 which still gives 2.5)

7 0
3 years ago
Read 2 more answers
An equation of a number and 25 equals to the sum of 141 and 159 divided by 2​
Mamont248 [21]

Answer:

25 = 141 + 159/2

Step-by-step explanation:

5 0
3 years ago
A circle in the xyxyx, y‑plane has the equation (x+92)^2+(y+54)^2=73(x+92) ​2 ​​ +(y+54) ​2 ​​ =73left parenthesis
dedylja [7]

34(3-2)9x-2 = 14 would be the correct way to solve the problem!

3 0
4 years ago
Question 1 (1 point)
Karo-lina-s [1.5K]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
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