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Soloha48 [4]
3 years ago
10

Is 5.3 repeating rational

Mathematics
1 answer:
Goshia [24]3 years ago
4 0

Repeating decimals are considered rational numbers because they can be represented as a ratio of two integers. If a number is terminating or repeating, it must be rational if a decimal is both non terminating and non repeating, the number is irrational.

So yes.

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Find the area bounded by the curve y = x1/2 + 2 the x - axis, and the lines x = 1 and x = 4?
Serggg [28]
The area is given by

\displaystyle\int_1^4(x^{1/2}+2)\,\mathrm dx=\left(\frac23x^{3/2}+2x\right)\bigg|_{x=1}^{x=4}=\dfrac{40}3-\dfrac83=\dfrac{32}3=10+\dfrac23

so the answer is B
8 0
3 years ago
Please help asap 30 pts
Dmitry [639]
C: 12/35a^3

2 multiplied by 6 is 12.
5 multiplied by 7 is 35.
a^1+a^2=a^3.
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3 years ago
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20 points!! Pls help
Studentka2010 [4]

Answer:

<h3>(-4, 1)</h3>

Step-by-step explanation:

-x-3=y, therefore x = -y-3

-3x - 8y = 4

Find the value of y

Substitute the x in -3x - 8y = 4 with -y-3

We get

-3·(-y-3) - 8y = 4

3y + 9 - 8y = 4

-5y = 4-9

-5y = -5

<h3>y = 1</h3>

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Find the value of x

x = -y-3

x = -1-3

<h3>x = -4</h3>

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Answer (x, y) =

<h3>(-4, 1)</h3>

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5 0
3 years ago
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What is the answer to 2x - 6 = 8 - x
fenix001 [56]
Move the x's to the same side

2x + x = 8 +6

then simplify

3x = 14

make x stand on its own

(3x)/3 = 14/3

the 3's on the x side cancel

x = 14/3

8 0
3 years ago
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A circle inside of a square. The circle touches all sides of the square. The base is 5 centimeters.
lina2011 [118]

Answer:

19.6 cm²

Step-by-step explanation:

If a circle fits perfectly inside of a square, then its diameter is equal to the length of sides of the square.

The area of a circle is given by:

A= \pi \frac{d^2}{4}

In this problem, d = 5 cm, the area of the circle is:

A= 3.14 *\frac{5^2}{4} \\A=19.6\ cm^2

The approximate area of the circle is 19.6 cm².

8 0
3 years ago
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