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wolverine [178]
3 years ago
8

Help anyone I don’t understand this ????

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0
The answer would be 0
You combine the first 2 “K” and that would make it k squared meaning it equals to 1 so now it’s 3k minus 3k so 0
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Dion puts seven tenths of his allowance into savings each month what fraction of his saving doesnt go in
S_A_V [24]

Answer:

\frac{3}{10} of his allowance doesn’t go into Dion’s savings.

Step-by-step explanation:

We know that \frac{7}{10} of Dion’s savings is going into his savings.

Since the denominator is “10” we know that \frac{10}{10} is the fraction that represents all of his allowance money.

So, we would subtract \frac{7}{10} from \frac{10}{10}.

\frac{10}{10} - \frac{7}{10} = \frac{3}{10}

5 0
3 years ago
If -2 and 3 are zeroes of quadratic polynomial xsquare + (a+1)x+b then find the value of and b
ohaa [14]

Answer:

a = - 2, b = - 6

Step-by-step explanation:

Substitute the values of the zeros into the polynomial and equate to zero.

x² +(a + 1)x + b

x = - 2 → (- 2)² - 2(a + 1) + b = 0 , that is

4 - 2a - 2 + b = 0

2 - 2a + b = 0 ( subtract 2 from both sides )

- 2a + b = - 2 → (1)

x = 3 → 3² + 3(a + 1) + b = 0, that is

9 + 3a + 3 + b = 0

12 + 3a + b = 0 ( subtract 12 from both sides )

3a + b = - 12 → (2)

Subtract (1) from (2) term by term to eliminate b

5a = - 10 ( divide both sides by 5 )

a = - 2

Substitute a = - 2 into either of the 2 equations and evaluate for b

Substituting into (2)

3(- 2) + b = - 12

- 6 + b = - 12 ( add 6 to both sides )

b = - 6

Thus a = - 2 and b = - 6

4 0
4 years ago
Need help with this problem
Romashka-Z-Leto [24]

3x = 4x + 2

-4x  -4x

-1x = 2

----  -----

-1      -1

x = -2

Check:

3(-2) = 4(-2) + 2

-6 = -8 + 2

-6 = -6

4 0
3 years ago
A taxi company charges passengers $2.00 for a ride, and an additional $0.50 for each mile traveled. The function rule = 0.50 + 2
stellarik [79]

Answer:

The graph of the function rule will be a line segment connecting (0,2) and (40,22) as shown in the graph below.

Step-by-step explanation:

The graph of the function rule will be a line segment connecting (0,2) and (40,22) as shown in the graph below.

5 0
3 years ago
I got ace in a week i felt so happy i wanna give someone branliest <br><br> 2+2
aleksandr82 [10.1K]

Answer:

4

Step-by-step explanation:

2 plus 2 equals 4 lmk if you need more help

7 0
3 years ago
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