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Tasya [4]
3 years ago
11

Simplify the following expression

Mathematics
2 answers:
Fiesta28 [93]3 years ago
4 0

Answer:

the answer would be 81

Step-by-step explanation:

sergij07 [2.7K]3 years ago
3 0

    It is simplified to -1/15

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Can someone please help mee.
Ahat [919]

Answer:

\displaystyle y

Step-by-step explanation:

<u>Graph of an inequality</u>

The graph represented in the image is a line and we have two clear points through which the line passes.

Those points are (0,1) and (5,0).

The equation of a line can have the slope-intercept form:

y=mx+b

Substituting the point (0,1):

1=0+b

b=1

Substituting the point (5,0):

0=m(5)+1

Solving for m:

\displaystyle m=-\frac{1}{5}

The equation of the line is:

\displaystyle y=-\frac{1}{5}x+1

The origin belongs to the solution if we substitute (0,0) the inequality should stand:

0<1

Or:

0≤1

Since the line is dashed, the boundary line is not part of the solution

Thus the inequality is:

\boxed{\displaystyle y

Option D.

4 0
3 years ago
Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.
allsm [11]
C(3)=Ishann's age
Ishann is 14 years older than Christopher
7*3=21-7=14 
So Christopher is 7 years old

4 0
3 years ago
A line passes through the points (-1, -1)
Allisa [31]

Given:

A line passes through the points (-1, -1) and (5,8).

To find:

Which points lie on the same line?

Solution:

If a line passes through two points, then the equation of the line is:

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

A line passes through the points (-1, -1) and (5,8). So, the equation of the line is:

y-(-1)=\dfrac{8-(-1)}{5-(-1)}(x-(-1))

y+1=\dfrac{8+1}{5+1}(x+1)

y+1=\dfrac{9}{6}(x+1)

y+1=\dfrac{3}{2}(x+1)

Multiply both sides by 2.

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

2y+2=3x+3

2y=3x+3-2

y=\dfrac{3}{2}x+\dfrac{1}{2}

So, the equation of the line is y=\dfrac{3}{2}x+\dfrac{1}{2}.

Now, check each point for this equation.

Putting x=-3, we get

y=\dfrac{3}{2}(-3)+\dfrac{1}{2}

y=\dfrac{-9+1}{2}

y=\dfrac{-8}{2}

y=-4

Similarly,

For x=9,y=15.

For x=1,y=2.

For x=4,y=6.5.

For x=3,y=5.

For x=-2,y=-2.5.

Therefore, the points (-3,-4), (9,14), (1,2) and (3,5) lie on the same line but the points (4,7) and (-2,-2) are not on that line.

6 0
3 years ago
Find the value of YVU
tigry1 [53]
XV = 180
180 - 85 = 95
3 0
3 years ago
Can anyone please please help me with this
svlad2 [7]

Answer:

it should be 14.25

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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