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lys-0071 [83]
3 years ago
15

Evaluate the expression x³ when x=0.2

Mathematics
2 answers:
MrMuchimi3 years ago
7 0

Answer:

Step-by-step explanation:

(0.2)³ = 0.2 · 0.2 · 0.2

0.04 · 0.2

0.008

Talja [164]3 years ago
5 0

I believe the answer is 0.008

because

0.2 × 0.2 × 0.2 is equivalent to 0.008

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What is the surface area of the right prism given below?
posledela

Answer: Option D.

Step-by-step explanation:

You can calculate the surface area of this right prism by adding the area of its faces.

You can observe that the faces of the right prism are:  Three different rectangles and two equal triangles.

The formula for calculate the  area of a rectangle is:

A=lw

 Where "l" is the lenght and "w" is the width.

The formula for calculate the  area of a triangle is:

A=\frac{bh}{2}

Where "b" is the base and "h" is the height.

You can observe that the hypotenuse of the each triangle is the width of one of the larger rectangle, then , you can find its value with the Pythagorean Theorem:

a=\sqrt{b^2+c^2}

Where "a" is the hypotenuse and "b" and "c" are the legs of the triangle.

Then, this is:

a=\sqrt{(8units)^2+(15units)^2}=17units

Therefore, you can add the areas of the faces to find the surface area of the right prism (Since the triangles are equal, you can multiply the area of one of them by 2). This is:

SA=(10units)(8units)+(15units)(10units)+(17units)(10units)+2(\frac{(15units)(8units)}{2})\\\\SA=520units^2

5 0
3 years ago
Read 2 more answers
Billy rented a canoe at $14 for 2 hours. If he rents the same canoe for 5 hours, he has to pay a total rent of $29.
Colt1911 [192]
Y=5x+4 is the equation
standard form is 5x-y=-4
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3 years ago
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(6b+9)–(6b+5)<br><br> .<br><br> .<br><br> .<br><br> .<br><br> .<br><br> .<br><br> .<br><br> .
fiasKO [112]

Answer:

<u>4</u>

Step-by-step explanation:

8 0
3 years ago
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Construct a quadratic equation whose roots are -2\3 and 5
Vladimir79 [104]
_Brainliest if helped!

Roots -2/3 and 5 Means X=-2/3 or X=5
Hence the equation would be
(X+2/3)(X-5)=0
(3X+2)(X-5)=0
3X^{2}  +2X -15X -10 = 0 &#10;
Answer : 3X^{2} -13X-10=0
4 0
3 years ago
Determine if the sequence below is arithmetic or geometric and determine the
Illusion [34]
A1=5
a2=15
a3=45
a2/a1=15/5=3
a3/a4=45/15=3
Sequence is geometric-the ration of each term and previous term is CONSTANT. Ratio is: 3
There is no common difference (d), as sequins not arithmetic.

d=a(n) - a(n-1)
a(n) is last term
a(n-1) is the previous term
d=45-15
d=30
d=15-5=10
The difference between each number in sequence is not the same therefore, there is not common difference.

Good luck.
6 0
3 years ago
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