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german
3 years ago
5

Adding and subtracting polynomials(6x² - 3x - 1) - (x + 8)​

Mathematics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

Simplify equation :  

6x^2 - 4x - 9

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Please help!<br><br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B4.2%7D%7B7%5Cfrac%7B5%7D%7B7%7D%20%7D%20%3D%20%20%5Cfrac%7B3%5C
emmasim [6.3K]

Answer:

d = 40/7

Step-by-step explanation:

Solve for d:

0.544444 = 28/(9 d)

0.544444 = 49/90:

49/90 = 28/(9 d)

49/90 = 28/(9 d) is equivalent to 28/(9 d) = 49/90:

28/(9 d) = 49/90

Take the reciprocal of both sides:

(9 d)/28 = 90/49

Multiply both sides by 28/9:

Answer:  d = 40/7

5 0
3 years ago
Kevin uses each of the digits 6, 4, 3 and 8, once and once only, to make four-digit numbers.
Lena [83]

Answer:

4683

Step-by-step explanation:

7 0
2 years ago
Abena has 1.3kg of apples and plenty of the other ingredients.
Sphinxa [80]

Answer:

No, she can't make for 15 people.

Step-by-step explanation:

For 15 people the mass of apple required is 1.375 kg.

She can only make 14 apple crumbles.

Please mark as brainliest

7 0
3 years ago
WILL MARK BRAINLIEST PLEASE HELP
Softa [21]

Answer:

3 \: years \\ 30000 \times 0.97 \times 0.97 \times 0.97 = 27380.19 \\ 2 \:  year \\ 30000 \times 0.97 \times 0.97 = 28227 \\ 1\:  year \\ 30000 \times 0.97 = 29100

5 0
3 years ago
if point P with coordinates (a,b) is reflected in the line y=x, what are the coordinates of this image of P?
Karo-lina-s [1.5K]

Answer:

(b,a)

Step-by-step explanation:

hard to explain, just memorize that

5 0
2 years ago
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