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STatiana [176]
2 years ago
5

I don’t know how to do this lol this is a test

Mathematics
2 answers:
Kisachek [45]2 years ago
4 0

Answer:

x + y = -3

Hence graphed passes through 5, -2 and 3, -6

                                 

Artemon [7]2 years ago
3 0

Answer:

D) x+y=-3

Step-by-step explanation:

Basically, if you plug in the x and y-coordinates into an equation, both sides should work out to be equal to each other:

Since -5+2\neq 3, we can eliminate choice A

Since -5-2\neq -3, we can eliminate choice B

Since -5-2\neq 3, we can eliminate choice C

Therefore, since -5+2=-3, then D is correct. Also, 3+(-6)=-3

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Can someone please explain this?
Nuetrik [128]
The square root of (5^2) is 5. {(5^2)=25} {square root 25 is 5}.

The square root of -5^2 is also 5. {(-5^2)=25} {square root 25 is 5}.

Hope this helps!









3 0
3 years ago
Solve for the zeros of the quadratic function f(x) = 9x² + 6x + 1.
Nezavi [6.7K]

Answer:

\large\boxed{x=-\dfrac{1}{3}}

Step-by-step explanation:

f(x)=9x^2+6x+1\\\\\text{The zeros are for}\ f(x)=0\\\\9x^2+6x+1=0\\\\9x^2+3x+3x+1=0\\\\3x(3x+1)+1(3x+1)=0\\\\(3x+1)(3x+1)=0\\\\(3x+1)^2=0\iff3x+1=0\qquad\text{subtract 1 from both sides}\\\\3x=-1\qquad\text{divide both sides by 3}\\\\x=-\dfrac{1}{3}

8 0
3 years ago
the radius if a sphere r is given by the formula below where s is the surface area if the sphere/ aspherical ballon has a maxium
Daniel [21]
The surface in medium is connected to both y and e
3 0
2 years ago
Indeed help with this plz
gizmo_the_mogwai [7]

Answer:

x=\frac{6-y-z}{3}

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Explanation please I need to know how you got the answer thank you!
Blababa [14]

Answer:

19.6, B

Step-by-step explanation:

To solve, we need to figure out how many gallons of white paint she needs for every gallon of brown paint.

We are given this equation.

5 gallons of brown paint = 7 gallons of white paint

Divide both sides by 5.

1 gallon of brown paint = 7/5 gallons of white paint = 1.4 gallons of white paint

Now, using this, substitute 14 into the left side.

14 gallons of brown paint = 1.4 * 14 gallons of white paint

14 gallons of brown paint = 19.6 gallons of white paint

Thus, the answer is B, 19.6 gallons

8 0
2 years ago
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