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kolbaska11 [484]
3 years ago
8

What property’s allow 5=b to be written as b=5

Mathematics
1 answer:
sineoko [7]3 years ago
8 0
Commutative Property allows 5=b to be written as b=5!

I hope this helped! Mark me Brainliest! :) -Raven❤️
You might be interested in
What is this, (2r-1)(r-1)? I'm so confused.
11Alexandr11 [23.1K]

Answer:

It looks like the factored form of a polynomial

Step-by-step explanation:

In unfactored form, it would be this:

2r^2 + -2r + 1

4 0
2 years ago
Read 2 more answers
WILL MARK BRAINLEST
MAXImum [283]

Answer:

What is factoring?

Factoring is finding what to multiply to find an expression. It is like splitting expression into a multiplication of simplified expression.

Why is it useful to try to factor out the GCF first when factoring?

Greatest common factor or GCF of two numbers is the largest number that divides evenly in both numbers, GCF works the same in polynomials, which divide the expression evenly .

Explain the relationship between factoring and multiplying polynomials. Give an example to help explain

Factoring take away the multiplication, to factorize a polynomial it means take apart what  is multiplied. the best example is a²+b²+2ab ( multiplied)

factorize :(a+b)(a+b)   take apart what is multiplied

Factor x^2-25, 3x^2-12x-15, and x^3+2x^2+3x+6

x²-25  =(x+5)(x-5)

3x²-12x-15 = 3(x²-4x-5)  GCF=3

3(x-5)(x+1)

x³+2x²+3x+6  (x+2) common factor

(x+2)(x²+3)

What are the key features needed to graph a polynomial function?

the key features are the vertex, axis of symmetry, x and y intercept

Explain how to find these key features to sketch a rough graph of a polynomial function

parabola : y=ax²+bx+c

ex: 3x²-12x-15

find vertex (h,k)

h=-b/2a =-(-12)/2(3)=2

k=f(h)=f(2)=3(2)²-12(2)-15

k=12-24-15=-27

vertex=(2,-27)

x intercept is when the graph =0 (y=0)

y intercept when x=0 then y= the constant c and where the graph cross the y axis

axis of symmetry is the x of the vertex: is a line about which a parabola is symmetrical and vertical when the axis of symmetric is vertical.

Why would someone want to factor a polynomial? Provide real world examples of different questions we can answer or facts we can determine from factoring a polynomial.

factor a polynomial helps us understand more about equations,factoring helps us rewrite the polynomial into simpler expression.

example from real life:

A homeowner has a back yard and wants to turn it to garden beds so he can plant his vegetables, he wants to fill it with dirt he needs 240 cubic feet to fill it  the length is 4 feet than the width , and the height is 4

solve:

length=W+4

height=1/3 w

V=length* width* height

240=(w+4)(w)(4)

351= 4w²+16w

4w²+16w-240=0

take 4 as common factor

4(w²+4w-60)

now factorize:

4(w-6)(w+10)=0

Step-by-step explanation:

PLEASE BRAINLIEST

4 0
2 years ago
On a scale drawing, the scale is 1/2 inch = 1 foot. What are the dimentions on the scale drawing of a room that is 22 feet by 17
Finger [1]
It would be 44 inch by 34 inch

4 0
3 years ago
Which pair of triangles can be proven congruent by SAS?
LuckyWell [14K]

Answer:2nd one starting from top left

Step-by-step explanation:

there r two sides congruent and an angle in between

8 0
3 years ago
9. Find the length of x in the right triangle. Give your answer to two decimal places.
NeX [460]

Answer:

Step-by-step explanation:

Use Pythagorean theorem,

base²+altitude² = hypotenuse²

x² + 14² = 40²

x² + 196 = 1600

     x² = 1600 - 196

    x² = 1404

    x = √1404

x = 37.47 ft

4 0
2 years ago
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