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ra1l [238]
3 years ago
6

PLZZZ HELP Expand. Your answer should be a polynomial in standard form. (2m-8)^2=

Mathematics
2 answers:
lapo4ka [179]3 years ago
7 0

Answer:

4m^2 -3 2m + 64

Step-by-step explanation:

Yuri [45]3 years ago
7 0
4m^2- 3 2m + 64 , tell me if it’s right, good luck!
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Use the set of ordered pairs to determine whether the relation is a one-to-one function. {(−6,21),(−23,21),(−12,9),(−24,−10),(−2
GenaCL600 [577]

Answer:

the relation is not one-to-one.

Step-by-step explanation:

it can't because every number is in the 4th quadrant.  

5 0
3 years ago
Given points A (-5, 6) and B (7, -1), find: Distance, Midpoint, and Slope
a_sh-v [17]
We have that
<span>points A (-5, 6) and B (7, -1)

Part A)
find the distance
d=</span>√[(y2-y1)²+(x2-x1)²]-------> d=√[(-1-6)²+(7+5)²]----> d=√(49+144)
d=√193  units

Part B)
find the midpoint
ABx=(x1+x2)/2-----> (-5+7)/2-----> ABx=1
ABy=(y1+y2)/2-----> (-1+6)/2-----> ABy=2.5

the midpoint is (1,2.5)

Part C)
find the slope
m=(y2-y1)/(x2-x1)-----> m=(-1-6)/(7+5)--------> m=-7/12

the slope m=-7/12
4 0
4 years ago
55% of 420 is what number and how do you find your answer :)
Scilla [17]
Percent literally means per one hundred so you can say:

420(55/100)

23100/100

231

You could also think of it like setting up equal ratios...

55/100=n/420

n=23100/100

n=231
8 0
3 years ago
Read 2 more answers
The number of painters, p, employed to paint a building is inversely proportional to the time taken to paint the building, b. Wh
Savatey [412]

Answer:

Option B. p=k/b

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form y*x=k or y=k/x

Let

p-----> the number of painters

b----> the time taken to paint the building

we know that

p*b=k

so

p=k/b

6 0
3 years ago
Read 2 more answers
What is the radius of a sphere that has a surface area of 2903.33 in²?
alexdok [17]

Answer:

15.2 in

Step-by-step explanation:

The surface area of a sphere is given by the formula below:

Surface area of sphere= 4πr², where r is the radius

Given that the surface area is 2903.33 in²,

2903.33= 4πr²

Divide both sides by 4π:

{r}^{2}  =  \frac{2903.33}{4\pi}

Square root both sides:

r =  \sqrt{ \frac{2903.33}{4\pi} }

r= 15.2 in (3 s.f.)

For a similar question on surface area of sphere, do check out the following!

  • brainly.com/question/16882587
8 0
2 years ago
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