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andrew-mc [135]
3 years ago
10

9!\25=? Please answer...

Mathematics
2 answers:
makkiz [27]3 years ago
7 0
9/25=0.36 if u ment 91/25 that equals 3.64
Anastaziya [24]3 years ago
3 0
14515.2

Hope that this helped you!
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1. Use precise mathematical language to justify and explain each mathematical process.
iris [78.8K]

Mathematical processes are the steps used to determine the result of operations

  • The perimeter of the rectangle is 10x^2 - 14x + 28
  • The area of the rectangle is 5x^3 +17x^2  -31x + 45

The dimension of the rectangle is given as:

Length = 5x^2 - 8x + 9

Width = x + 5

<u>(1) The perimeter of the triangle</u>

This is the sum of the side lengths of the rectangle.

So, we have:

Perimeter = 2 \times (Length + Width)

This gives

Perimeter = 2 \times (5x^2 - 8x + 9 + x + 5)

Collect like terms

Perimeter = 2 \times (5x^2 - 7x + 14)

Open brackets

Perimeter = 10x^2 - 14x + 28

Hence, the perimeter of the rectangle is 10x^2 - 14x + 28

<u>(2) The area of the triangle</u>

This is the product of the dimensions of the rectangle.

So, we have:

Area = Length \times  Width

This gives

Area = (5x^2 - 8x + 9) \times  (x + 5)

Open brackets

Area = 5x^3 - 8x^2 + 9x +25x^2 - 40x + 45

Collect like terms

Area = 5x^3 - 8x^2 +25x^2+ 9x  - 40x + 45

Area = 5x^3 +17x^2  -31x + 45

Hence, the area of the rectangle is 5x^3 +17x^2  -31x + 45

Read more about areas and perimeters at:

brainly.com/question/15656646

6 0
2 years ago
What is the best way to simplify 7x + 3(x - 2) - 4x + 8
Romashka-Z-Leto [24]
7x+3(x-2)4x+8=
<span>
Distributive property  
7x + 3x - 6 -4x + 8
Combining like terms 
10x - 6 -4x + 8
6x - 6 + 8
Combine numbers 
6x + 2 </span>

Hope i helped:D 




5 0
3 years ago
Read 2 more answers
Write the equation of a line that is perpendicular to y=−1 and that passes through the point (8,-4)
Vera_Pavlovna [14]

Answer:

perp. slope: 1

y + 4 = x - 8

y = x - 12

5 0
3 years ago
Write and evaluate the expression.
nadezda [96]
seven less than the quotient of nineteen and a number.
6 0
3 years ago
Read 2 more answers
Find the standard form of the equation of the parabola with a focus at (-2, 0) and a directrix at x = 2.
Leokris [45]
Standard form is, hold a sec

x=2 is directix
that means it opens left or right
so we must use
(y-k)²=4p(x-h)
where vertex is (h,k) and p is distance from focus to vertex
also shortest distance from vertex to directix
the shortest distance from focus to directix is 2p
if p>0 then the parabola opens right
if p<0 then pareabola opens left

so
(-2,0) and x=2
the distance is 4
4/2=2
p=2
wait, positive or negative
focus is to the left of the directix so p is negative
p=-2

vertex is 2 to the right of the focus and 2 to the left of directix
vertex is (0,0)

so
(y-0)²=4(-2)(x-0) or
y²=-8x is da equation
not sure what form is standard tho
4 0
3 years ago
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