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Nostrana [21]
3 years ago
5

Which is a factor of each term of the polynomial? (3d2 – 10d)

Mathematics
2 answers:
Natalka [10]3 years ago
8 0

The factor can be divided by 9 so the answer is 9.


kupik [55]3 years ago
4 0
(3d^2 - 10d) = d(3d - 10).

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If f(x) = 9x – 8, which of the following is the inverse of f(x)?
zheka24 [161]

Answer: f^{-1} (x) = \frac{x+8}{9}

Step-by-step explanation:

f(x) = 9x - 8 , to find the inverse of f(x) , replace f(x) with y , then the equation becomes

y = 9x - 8 , then make x , the subject of the formula ,

9x = y + 8

x = \frac{y+8}{9}

Finally , replace x , with f^{-1} (x) and y with x  , so we have

f^{-1} (x) = \frac{x+8}{9}

8 0
3 years ago
A number is between -2 and -10. What is the least possible integer value of this number
astraxan [27]
-9, it is between -2 and -10 and it is the least possible integer
6 0
3 years ago
Factorise 10x²+19x+6<br><br> Show working out please.
stepladder [879]

Answer:

(2x+3)(5x+2)

Step-by-step explanation:

10x²+19x+6

multiply to get 60

add to get 19

10x²+19x+6

(10x²+15x)(+4x+6)

factorise:

10x²+15x

5x(2x+3)

4x+6

2(2x+3)

(2x+3)(5x+2)

8 0
3 years ago
A portion of a map with cities a and b is shown.The map uses a scale of 1 inch to 30 miles. A new map has a scale of 2 inches=15
Alina [70]

Answer:

22.5miles

Step-by-step explanation:

For Map 1;

1 inches = 30miles

For Map 2:

2 inches = 15miles

1 inches = x

2x = 1 *15

x = 15/2

x = 7.5miles

This means that 1 inch represents 7.5miles on Map 2'

The distance between the two cities in miles = 30miles - 7.5miles

The distance between the two cities (in miles) = 22.5miles

3 0
2 years ago
What is 12% of 75? =)))
ankoles [38]

Answer:

Hope this helps!

Step-by-step explanation:

12% of 75 would be 9

5 0
2 years ago
Read 2 more answers
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