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allochka39001 [22]
3 years ago
15

Phillips help me solve this problem I don’t understand first to answer will be marked brainlyest

Mathematics
2 answers:
Reil [10]3 years ago
5 0

The answer is A.......


zalisa [80]3 years ago
4 0

Check out the possible answer choices, one by one.  Starting with the first one, f(x) = (x+2)^2, subst. x and y from each given point.

Example:  (0,4):  when x = 0, y = 4.  Is f(x) = (x+2)^2 true when we let x = 0 and y = 4?  Is f(0) = 4 = (0+2)^2 true?  Is 4 = 2^2 true?  YES.  

Thus, the correct answer choice is f(x) = (x+2)^2.  No need to go through the other three possible answer choices, assuming that only one of these choices can be the correct one.

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Arrange the steps to solve the equation \sqrt(x+3)-\sqrt(2x-1)=-2 solve for x
kirill115 [55]
I hope this helps you



x+3/2x-1=-2



x+3= -2 (2x-1)



x+3= -2.2x-2. (-1)



x+3= -4x+2



x+4x=2-3



5x= -1


x= -1/5
3 0
2 years ago
Algebraic expression and identity 1)simplify the following (3a+b)3 +(3a-b)3
mylen [45]

Answer:

(3a+b)^3+(3a-b)^3=54a^3+18ab^2

Step-by-step explanation:

Given: (3a+b)^3+(3a-b)^3

Formula: x^3+y^3=(x+y)(x^2-xy+y^2)

(x+y)^2=x^2+2xy+y^2

(x-y)^2=x^2-2xy+y^2

x\rightarrow 3a+b

y\rightarrow 3a-b

\Rightarrow (3a+b+3a-b)((3a+b)^2-(3a+b)(3a-b)+(3a-b)^2)

\Rightarrow (6a)(9a^2+b^2+6ab-9a^2+b^2+9a^2+b^2-6ab)

\Rightarrow (6a)(9a^2+3b^2)

\Rightarrow 54a^3+18ab^2

5 0
3 years ago
Please help (geometry) number 11
dexar [7]

Answer:

In the image below

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Need help with math test ASAP please
MaRussiya [10]

Answer:

stop cheating on your tests

Step-by-step explanation:

Brainly is not meant for cheating

6 0
2 years ago
Check my answer please
Aleksandr [31]
So it is an isosceles triangle that means that the bottom two angles are equal...
so 
40 = 5x 
divide both sides by 5 and you get 8

now the triangle angles add up to 180
we make an equation out of it...
(2y + 20 ) + ( 5(8)) + 40 = 180
2y + 20 + 40 + 40 = 180
combine like terms
2y + 100 = 180
so subtract 100 from both sides
2y = 80
divide by 2 to isolate the variable
y = 40

You are correct!!! :)
5 0
3 years ago
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