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Wittaler [7]
2 years ago
8

Pls help me I don't understand​

Mathematics
2 answers:
frutty [35]2 years ago
8 0

Answer:

d. \:  \:  \: 25 {x}^{6}

Step-by-step explanation:

Given,

Side of the square

= 5 {x}^{3}

Therefore, area of the square = side × side

=  {5x}^{3}  \times 5 {x}^{3}

= 5 \times 5 \times  {x}^{3 + 3}

= 25 {x}^{6}

Serga [27]2 years ago
7 0
The formula for calculating the area of a square is A=a^2. (a=side)
There are multiple ways to solve this but I’m gonna use the simple way to explain.
All we have to do here is take the side times the side:
5x^3•5x^3
5•5=25
**Careful** exponents are added, not multiplied.
25x^6 is the answer
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If 2a+b=6 and a−6=b, what is the value of a?
earnstyle [38]

Step-by-step explanation:

Given

2a + b = 6......equation 1

a - 6 = b

a = b + 6........equation 2

Putting equation 2 in equation 1

2 ( b + 6 ) + b = 6

2b + 12 + b = 6

3b = 6 - 12

3b = - 6

b = - 6 / 3

Therefore b = - 2

Now

a = - 2 + 6 = 4

hope it will help :)

3 0
3 years ago
Read 2 more answers
Find the quotient simplify your answers a+3 over a divided by 8 over a
mihalych1998 [28]
ANSWER

\frac{a + 3}{8}



EXPLANATION

We want to simplify

\frac{a + 3}{a}  \div  \frac{8}{a}


We multiply the first fraction by the reciprocal of the second fraction to obtain,



\frac{a + 3}{a}   \times  \frac{a}{8}


We cancel the common factors to get,


\frac{a + 3}{1}   \times  \frac{1}{8}

This gives us,

\frac{a + 3}{8}
4 0
2 years ago
A poster is to have a total area of 125 cm2. There is a margin round the edges of 6 cm at the top and 4 cm at the sides and bott
jeka57 [31]

Answer:

The correct answer is 15 cm.

Step-by-step explanation:

Let the width of the required poster be a cm.

We need to have a 6 cm margin at the top and a 4 cm margin at the bottom. Thus total margin combining top and bottom is 10 cm.

Similarly total margin combining both the sides is (4+4=) 8 cm.

So the required printing area of the poster is given by {( a-10 ) × ( a - 8) } cm^{2}

This area is equal to 125 cm^{2} as per as the given problem.

∴ (a - 10) × (a - 8) = 125

⇒ a^{2} - 18 a +80 -125 =0

⇒ a^{2} - 18 a -45 = 0

⇒ (a-15) (a-3) = 0

By law of trichotomy the possible values of a are 15 and 3.

But a=3 is absurd as a > 4.

Thus the required answer is 15 cm.

7 0
2 years ago
Read 2 more answers
Find the smallest possible solution to 2/3x^2=24
Bezzdna [24]
\dfrac{2}{3} x^2 = 24

---------------------------------------------------------------------
Divide by 2/3 on both sides :
---------------------------------------------------------------------
x^2 = 24 \div  \dfrac{2}{3}

---------------------------------------------------------------------
Change the divide fraction to multiplication fraction :
---------------------------------------------------------------------
x^2 = 24 \times  \dfrac{3}{2}

---------------------------------------------------------------------
Simplify :
---------------------------------------------------------------------
x^2 = 36

---------------------------------------------------------------------
Square root both sides :
---------------------------------------------------------------------
x = \pm \sqrt{36}

---------------------------------------------------------------------
Answer :
---------------------------------------------------------------------
x = \pm6

---------------------------------------------------------------------
Answer: The smallest possible value of x is -6
---------------------------------------------------------------------
4 0
3 years ago
The number of students on the football team is 1 3/4 times the number on the basketball team. there are 16 students on the baske
Orlov [11]
Number of students on the football team: 1 3/4x16= 12
There are fewer than 16 on the football team.
There are 12 students in the football team.
8 0
3 years ago
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