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garri49 [273]
3 years ago
11

Find the value of x −9(10+x)=−243

Mathematics
1 answer:
Ilya [14]3 years ago
3 0

Answer:

x = 17

I think this is the value for x

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Saira is using the formula for the area of a circle to determine the value of LaTeX: \piπ. She is using the expression LaTeX: Ar
lord [1]

Given:

Area of a circle, A=50.265 sq. units.

Radius of circle, r = 4 units.

To find:

The value of π to the nearest thousandth.

Solution:

Formula for area of a circle is

A=\pi r^2

\dfrac{A}{r^2}=\pi

Ar^{-2}=\pi

Now, using Ar^{-2} expression, we can find the value of π.

\pi=50.265904(4)^{-2}

\pi=\dfrac{50.265904}{4^2}

\pi=\dfrac{50.265904}{16}

\pi=3.141619

Approximate the value to the nearest thousandth (three digits after decimal).

\pi\approx 3.142

Therefore, the approximated value of π is 3.142.

8 0
3 years ago
Find the probability that a randomly selected student drives to school.
Slav-nsk [51]

Answer:

the answer is 40 percent

4 0
3 years ago
What is the effect on the graph of the function f(x) = |x| when f(x) is changed to f(x + 9)?
babymother [125]
The answer is A) shifts right by 9 units


3 0
3 years ago
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Graph the system of equations.<br><br> {2x - y =4<br> {x - y = -2
Mnenie [13.5K]

Answer:

See attachment

Step-by-step explanation:

The given system is

2x-y=4

x-y=-2

We write the system in slope-intercept form:

y=2x-4

y=x+2

The first equation has slope of 2 and y-intercept at (0,-4)

When y=0, x=2.

We plot (0,-4) and (2,0) to graph this first equation.

The second equation has a slope of 1 and a y-intercept at (0,2)

Also when y=0, x=-2.

We plot (0,2) and (-2,0) and draw a straight line through them.

The graph of the system is shown in the attachment.

7 0
3 years ago
Find the value of X, I need help solving this.
laiz [17]

Answer:

The answer is 21

Step-by-step explanation:

21x4+2=86

8 0
3 years ago
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