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skelet666 [1.2K]
3 years ago
7

Apply distributive property. 2x(2x+1) - 7(2x+1)

Mathematics
1 answer:
Schach [20]3 years ago
7 0
2x^2+2x-14x-7

Answer: 2x^2-12x-7
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What is 3/8 x 3/8 x 3/8 written as a power
julia-pushkina [17]

Answer:

3/8^3

Step-by-step explanation:

its like 1/2 x 1/2 x1/2 its 1/2^3

or  7x7x7x7x7=7^5 its the same concept....

7 0
1 year ago
File Is Attached To The Question
Paul [167]

Answer:

<h2>3.05x(output for x)</h2><h2>39.65</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • function
  • PEMDAS
<h3>let's solve:</h3>

according to the question

the function is

f(x)=3.05x(first answer)

let's justify

f(1)=3.05×1

=3.05

LIKEWISE

f(3)=3.05×3

=9.15

therefore

it is the function

answer for the second question

f(13)=3.05×13

=39.65

6 0
3 years ago
The perimeter of a regular octagon is equal to 50 cm. Find the length of its side.
agasfer [191]
An octagon has 8 sides.
Divide 50 cm / 8 sides.
Each side is 6.25 cm.
8 0
3 years ago
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Find the surface area of a open box of cardboard whose dimensions are 24cm, 18cm and 14cm
RideAnS [48]

Answer:

hope this helps

Step-by-step explanation:

l = 24 cm

b = 18 cm

h = 14 cm

S.A of cuboid = 2 (l+b) × h

= 2 (42) × 14

= 84 × 14

= 1,176 cm²

4 0
3 years ago
3y+2x=<br><br> If y= 1half and x= 3forths
lara [203]

Answer:

\frac{9}{4}  + 1

7 0
3 years ago
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