–(k + 9) – 8 = –4k – 9

Answers

Answer 1

Answer: $\sf-(k+9)-8=-4k-9$

Distribute -1 into the parenthesis:

$\sf-k-9-8=-4k-9$

Combine like terms:

$\sf-k-17=-4k-9$

Add 17 to both sides:

$\sf-k=-4k+8$

Add 4k to both sides:

$\sf3k=8$

Divide 3 to both sides:

$\sf~k=(8)/(3)~or~2(2)/(3)$

Answer 2

Answer: $-(k + 9) - 8 = -4k - 9\n-k-9-8=-4k-9\n3k=8\nk=(8)/(3)$

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What is 3×24= as a mixed number?

Answers

Set up the division problem in long division format Move the decimal the same amount of places in both numbers until the divisor is a whole number. Divide 24 by 3 to get 8. Place this next digit in the quotient on top of the division symbol. Multiply the newest quotient digit (8)by the divisor 3. Subtract 24 from 24 to get 0. The result of division of 23 over 4 so the answer is 8.

Divide the numerator by the denominator. Write the mixed number in this way: The quotient (answer) is the whole-number part (3). The remainder of the improper fraction is the numerator (4).

Which of these strategies would eliminate a variable in the system of equations?\begin{cases} -7x + 2y = 5 \\\\ 3x - 5y = -5 \end{cases}
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−7x+2y=5
3x−5y=−5

Answers

The solution for given equations $-7x+2y=5$ and $3x-5y=-5$ are x = -0.517 and y = 0.6896.

Step-by-step explanation:

The given is,

$-7x+2y=5$ ..........................(1)

$3x-5y=-5$ ........................(2)

Step:1

Equation (1) is multiplied by 5 ( Eqn(1) × 5)

$-35x+10y=25$ .........................(3)

Equation (2) is multiplied by -2 ( Eqn (2) × -2 )

$-6x+10y=10$ .........................(4)

Step:2

Subtract the equation (3) and (4),

$-35x+10y=25$

$-6x+10y=10$

( - )

$(-35x+6x)+(10y-10y)=(25-10)$

$-29x=15$

$x = - (15)/(29)$

x = -0.517

From the x value equation (2) becomes,

$3(-0.517)-5y=-5$

$-1.551-5y=-5$

$-5y = (-5+1.551)$

$-5y= -3.449$

$y =(3.449)/(5)$

y = 0.6898

Step:3

Check for solution,

$-7x+2y=5$ ..........................(1)

$(-7)(-0.517)+(2)(0.6898)=5$

$3.619+1.3796=5$

5 = 5

Result:

The solution for given equations $-7x+2y=5$ and $3x-5y=-5$ are x= -0.517 and y = 0.6896.

Please answer correctly !!!! Will mark brainliest !!!!!!

Answers

Answer:

-12

Step-by-step explanation:

-6 f(-3) - 5 g(-7)

f(-3) is the value of the function at -3

f(-3) = -3

g(-7) is the value of the function at -7

g(-7) = 6

-6 (-3) - 5 *6

18 - 30

-12

If 12% is 36 then what is 100%

Answers

100 % would be the greatest number your using, from 1 to 100 100% would be 100

Avery's income tax rate is 12%. If she made $85,000 this year, how much income tax will she pay?

Answers

Answer:

10200

Step-by-step explanation:

0.12 * 85000 is 10200.

Jose is trying to decide how many friends he can invite to his roller skating party. Skate rentals cost $2.50 per person, including Jose, and he knows that 3 adult chaperones plan to skate.How many friends can Jose invite if he wants to spend only $50.00 total on skate rentals?

Jose can invite___friends.

Answers

Answer:

Jose can invite 16 friends.

Step-by-step explanation:

For roller skating, the skate rentals charge $2.50 per person.

Jose has to invite friends and wants to spend a total of $50.

$50 / $2.50 = 20

So, for $50.00, 20 people can enjoy roller skating.

Out of these 20 people, one will he Jose himself and 3 will be the adult chaperones.

20 - 4 = 16

Therefore, Jose can invite 16 friends for roller skating.

Jose can invite 46 of his friends, given that there isn't tax. Because with a ticket costing $2.50 a person, and he at least knows that 50 people can go, and that 4 people are planning to, and are going to skate already.

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