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GREYUIT [131]
4 years ago
9

-2 (3 x - 9 ) + 5x = 10

Mathematics
2 answers:
aleksandr82 [10.1K]4 years ago
7 0

Answer: × = 8

Step-by-step explanation:

-2 (3 x - 9 ) + 5x = 10

Step 1: Open the bracket

-6× + 18 + 5x = 10

Step 2: Combine like terms

-6× + 5× = 10 -18

-1× = -8

×= -8/-1

×=8

Schach [20]4 years ago
3 0

Answer:

x=8

Step-by-step explanation:

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PLEASE ANSWER !!
ANEK [815]

Answer:

Check the explanation.

Step-by-step explanation:

As the graph of a linear function f passes through the point (-2,-10) and has a slope of 5/2.

As the slop-intercept form is given by:

y = mx+b

where m is the slope and b is the y-intercept.

substituting the values (-2, -10) and m = 5/2 in the slop-intercept form to determine y-intercept.

y = mx+b

-10=\frac{5}{2}\left(-2\right)+b

-\frac{5}{2}\cdot \:2+b=-10

-5+b=-10

-5+b+5=-10+5

b=-5

And the equation of the line in the slope-intercept form will be:

y = mx+b

putting b = -5 and slope = m = 5/2

y = mx+b

y=\frac{5}{2}x+\left(-5\right)

y=\frac{5}{2}x-5

Determining the zero of function.

As we know that the real zero of a function is the x‐intercept(s) of the graph of the function.

so let us determine the value of x (zero of function) by setting y = 0.

0=\frac{5}{2}x-5

\frac{5}{2}x-5=0

\frac{5}{2}x=5

5x=10

x=2

Therefore, the zeros of the function will be:

  • x = 2
3 0
3 years ago
57 117find x triangle ​
alexandr402 [8]

Answer:

60

Step-by-step explanation:

x = 180 - [ 57 + ( 180 - 117 ) ]

= 180 - [ 57 + 63 ]

= 180 - 120

x = 60

6 0
3 years ago
A fair coin is flipped two times. Which diagram shows all of the possible outcomes?
kirza4 [7]

Answer:

A

Step-by-step explanation:

It is the only one that has both heads and tails equally on all options, instead of heads heads or tails tails. There aren't any fair coins that are like that

hope this helps :)

6 0
2 years ago
There is a bag filled with 3 blue and 5 red marbles.
Angelina_Jolie [31]

Answer:

There is a 38% chance at least 1 was blue

Step-by-step explanation:

there are 8 marbles total 3 being blue. 3/8= .375 = 38%

3 0
2 years ago
Sketch the graph of each linear inequality
Gennadij [26K]

Answer:

hope you can see these, the red graph is problem 3 and the blue graph is problem 5 :)

4 0
2 years ago
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