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nydimaria [60]
3 years ago
13

Simplify 5k+7+3k. Please Help me

Mathematics
1 answer:
notka56 [123]3 years ago
6 0
Like Terms: 5k and 3k

(5 + 3)k
8k

8k + 7
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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 length of arc ac in terms of pi
aniked [119]
=theta/360°×2pi ×r
theta=180-60=120°
r=24÷2=12

120/360 × 2 × 22/7 × 12=
1/3 × 2 × 22/7 × 12=
176/7=
25.14


3 0
3 years ago
Will I lose points when use brainly plus to ask questions?​
dlinn [17]

Answer:

yes

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6 0
3 years ago
An airplane on autopilot took 8 hours to travel 5,744 kilometers. What is the unit rate for kilometers per​ hour?
guajiro [1.7K]

Answer:718 kilometers per hour


Step-by-step explanation:


6 0
3 years ago
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Simplify the expression (4x^3y^-5)^4
Elanso [62]

Answer:

64x^12 / y^20

Step-by-step explanation:

(4x^3y^-5)^4

<em>Distribute the exponential value of 4 to all terms in the parentheses.</em>

4^4 * x^(3*4) * y^(-5*4)

<em>Multiply each exponent.</em>

64x^12 * y^-20

<em>Make the negative exponent positive by making it a fraction.</em>

64x^12 / y^20

5 0
3 years ago
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