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andrezito [222]
3 years ago
6

Solve the equation. –2x – 18 = 6 A. -12 B. -3 C. -2 D. 6

Mathematics
2 answers:
Nadya [2.5K]3 years ago
7 0

Answer:

-12

Step-by-step explanation:

Step 1: Add 18 to both sides.

−2x−18+18=6+18

−2x=24

Step 2: Divide both sides by -2.

−2x

−2

=

24

−2

x=-12

sladkih [1.3K]3 years ago
5 0

Answer:

-2x -18=6

+18. +18

-2x=24

÷-2. ÷-2

×= -12

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kramer

Answer:

JL

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4 0
3 years ago
Luke's turkey chili recipe calls for 2.5 pounds of ground turkey for every 5 servings. How many servings can he make if he has 6
alexira [117]

Answer:

12 servings

Step-by-step explanation:

Luke's turkey chili recipe calls for 2.5 pounds of ground turkey for every 5 servings. How many servings can he make if he has 6 pounds of ground turkey?

From above question:

2.5 pounds of ground turkey = 5 servings

6 pounds of ground turkey = x

Cross Multiply

2.5 × x = 6 × 5

x = 6 × 5/2.5

x = 12 servings

Hence, 6 pounds of ground turkey can make 12 servings.

Completing the explanation.

The equation is

5x = 2.5y

where:

x = represent how many pounds of ground turkey he has = 6 pounds

y = to represent how many servings he can make

Hence,

5 × 6 = 2.5y

y = 5 × 6/2.5

y = 12 servings

6 0
3 years ago
F(x) = 2x2 − 30, find f(4).
Leviafan [203]

Answer:

F(4)= 2

Step-by-step explanation:

F(x) = 2x^2 − 30, find f(4).

F(4)= (2)(4)^2 - 30

F(4)= (2)(16) - 30

F(4)= 32 - 30

F(4)= 2

6 0
3 years ago
What number (n) must be inserted into the number 3n,85n for it to be divisible by 6?
Dima020 [189]
<span>N = number that must be inserted in the given numbers to be divisible by 6
=> 3n
=> 85n
Now, let’s find a best number that will multiplied with both given number and is divisible with 6.
=> 85n / 6
=> 85(6) / 6
=> 510 / 6
=>n =  6
now, let’s try to 3
=> 3(6) / 6
=> 18 / 6
=> 3
Thus, the value of N is 6 because it is divisible by 6 when multiplied to the given number.

</span>



5 0
4 years ago
If alpha and beta are two roots of the equation 2x^2 +kx+1=0,<br> find the values of k.
Zielflug [23.3K]

Answer:

αβ=c/a

α+β=-b/a

α+β=-k/2

-(α+β)²=k

-α²-2αβ-β²=k

-α²-2(1/2)-β²=k

-α²-1-β²=k

Step-by-step explanation:

4 0
3 years ago
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