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igor_vitrenko [27]
2 years ago
9

Help me ???? plzzzzzzzzzzz

Mathematics
1 answer:
Yuri [45]2 years ago
3 0
Your answer will be this 2)4.10
5)30.00
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What is the solution for x in the equation?<br><br><br> 9 - 10x2x+1-8x<br><br> x = ?
LUCKY_DIMON [66]

Answer:

-3x

Step-by-step explanation:

this is the answer I think

4 0
2 years ago
Help me with the right answer
Nadya [2.5K]

Answer:

x = 3

y = 1

Step-by-step explanation:

9x - y = 26  ---------------(I)

9x + y = 28 ---------------(II)

9x - y = 26

9x = 26 + y

Substitute 9x = 26 + y in equation (II)

26 + y + y = 28               {add like terms}

26 + 2y = 28             {subtract 26 from both sides}

         2y = 28 - 26

        2y = 2    {divide both sides by 2}

           y = 2/2

y = 1

Substitute y =1 in equation (I)

9x - 1 = 26

9x = 26 + 1

9x = 27

x = 27/9

x = 3

x = 3

y = 1

6 0
3 years ago
Read 2 more answers
A video game requires at least 4 points to advance. Each solved puzzle is worth two points. Each solved riddle is worth 1 point.
Gwar [14]

Answer:

The graph in the attached figure

Step-by-step explanation:

Let

x -----> the number of solved puzzles

y -----> the number of solved riddles

we know that

2x+y \geq 4

The solution of the inequality is the shaded area above the solid line 2x+y=4

The slope of the solid line is negative m=-2

The y-intercept of the solid line is the point (0,4)

The x-intercept of the solid line is the point (2,0)

therefore

The graph in the attached figure

3 0
3 years ago
Read 2 more answers
For a family with 3 children, what is the probability that they have exactly 2 boys and 1 girl?
Triss [41]

Answer:

\frac{3}{8}

Step-by-step explanation:

Possibilities (G for girls and B for boys):

GGG

GGB

GBG

<u>GBB </u>

BGG

<u>BGB </u>

<u>BBG </u>

BBB

4 0
3 years ago
Read 2 more answers
Tyler wears a jacket to school every 3rd day and a scarf to school every 8th day. What will be the first day Tyler will wear his
disa [49]

Answer:

24th day will  be the first day on which Tyler will wear his jackets and scarf to school

Step-by-step explanation:

We can find the first day on which the Tyler will wear his jackets and scarf to school by taking the LCM of(3,8)

<u>Finding the LCM of(3,8)</u>

List all prime factors for each number.

Prime Factorisation of 3 shows:

3 is prime  =>  3^1

Prime Factorisation of 8 is:

2 x 2 x 2  =>  2^3

For each prime factor, find where it occurs most often as a factor and write it that many times in a new list.

The new super-set list is

2, 2, 2, 3

Multiply these factors together to find the LCM.

LCM = 2 x 2 x 2 x 3 = 24

6 0
2 years ago
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