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wolverine [178]
3 years ago
11

2k-1-5k+6=0. Find the value of k

Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Answer:

k = 5/3

Step-by-step explanation:

Solve for k:

5 - 3 k = 0

Subtract 5 from both sides:

(5 - 5) - 3 k = -5

5 - 5 = 0:

-3 k = -5

Divide both sides of -3 k = -5 by -3:

(-3 k)/(-3) = (-5)/(-3)

(-3)/(-3) = 1:

k = (-5)/(-3)

Multiply numerator and denominator of (-5)/(-3) by -1:

Answer: k = 5/3

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5. In a dilation what mathematical operation is used with th scale factor?
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Step-by-step explanation:

multiplication is the mathematical operation used with scale factor

6 0
3 years ago
F(-2)=15, F(1)=9 can someone help me please
pogonyaev

Answer:

y= -2x +11

Step-by-step explanation:

the 2 points: (-2,15) and (1,9)

find the slope: 6/ -3 = -2

find y-intercept: 9 = -2 + b       b=11

4 0
3 years ago
What percentage of a dollar is the value of each coin combination?
Brut [27]

Answer:

Step-by-step explanatinon:

percent is per hundred

4 dimes is  40 cents or $0.40 or 40/100 of a dollar which is40%

1 nickel and 3 pennies or 8 cents or $0.08 Or 8/100 or 8%

5 quarters and one dime is 135/100 or  $1.35 or 135/100 which is 135%

5 0
3 years ago
1. The exponential function modeled below represents the number of square
Umnica [9.8K]

Answer:

600,000 km²

Step-by-step explanation:

Using the exponential regression calculator : the regression fit obtained for the data is :

36510 * (1.08^x)

After 40 years ;

x = 40

Hence,

y = 36510 * 1.08^40

y = 36510 * 21.72452

y = 793,162.27 km

Hence, y is closest to 800,000 km

7 0
3 years ago
Solve:<br> 12 + 5 + 3’2 x 10 - 5 = <br> (12 + 5) + 3'2 x (10 – 5) =
kondaur [170]

Answer:

1) 102

2) 62

Step-by-step explanation:

12 + 5 + 3²  × 10 - 5

12 + 5 + 9 × 10 - 5

12 + 5 + 90 - 5

17 + 90 - 5

107 - 5

102

(12+5) + 3² × (10 - 5)

(17) + 9 × (5)

17 + 45

62

4 0
3 years ago
Read 2 more answers
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