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Effectus [21]
3 years ago
10

Helppppppppppppppppp

Mathematics
1 answer:
valina [46]3 years ago
5 0
This is a simple "solve for x" equation.
5k-2k=12
3k=12
k=4
You should try doing some more on your own, as this will be coming up a lot in the future.
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Solve the inequality 2x^2-6<-4x
docker41 [41]

X = 3

2X = 6

6^2-6<-4X

6^2 = 12

12-6<-4X

12-6=6

6<-4X

-4X = -12

6<-12

7 0
4 years ago
Help pls 2x - 2 = -18
nexus9112 [7]

Answer:

x=-8

Step-by-step explanation:

We are solving for the variable, x, so let us <u>isolate</u> all terms of x. Let us start by moving the numerical value 2 to the right side, thereby <u>isolating</u> the term 2x on the left:

2x= -18+2

2x=-16

So close! Let us divide both sides by 2 now:

x= -8

<em>I hope this helps! Please let me know if you have any further questions :)</em>

8 0
3 years ago
Read 2 more answers
Mary and Gary had some stickers in the ratio 5:3. After Mary had given 1/3 of her stickers to Gary, the new ratio of the number
polet [3.4K]

The total number of stickers the 2 children had was 192 stickers.

Let x represent Mary initial stickers, y represent Gary initial stickers and z represent the total stickers.

x + y = z

  • x + y - z = 0     (1)

They shared in the ratio of 5:3, hence:

x = (5/8)z

  • 8x - 5z = 0      (2)

Mary gives 1/3 of her stickers to Gary to have 32 more stickers than her.

(1/3)x = (1/3)(5/8)z = (5/24)z

y + (1/3)x = (2/3)x + 32

  • y - (1/3)x = 32    (3)

Solving equation 1, 2 and 3 gives:

x = 120, y = 72, z = 192

The total number of stickers the 2 children had was 192 stickers.

Find out more on equation at: brainly.com/question/13763238

6 0
2 years ago
Find the range of the quadratic function.
Alexandra [31]
I hope it helps you get it right

4 0
3 years ago
A survey question that requires a yes or no answer is called aA) qualifierB) multiple-choice questionC) 50-50 questionD) dichoto
scZoUnD [109]

Answer:

Dichotomous question

Step-by-step explanation:

Dichotomous question is a type of question that required answer in yes or no, sometimes in true or false and may be right or wrong.

They generally used for clear clarification of the questions asked. they have been asked to get the clear percentage of the qualities.

let take an example of Dichotomous question.

1) have you ever been into particular restaurant.

2)  height of this boy is more than 5 feet or not

4 0
3 years ago
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