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just olya [345]
3 years ago
10

This is my last question

Mathematics
1 answer:
mariarad [96]3 years ago
5 0

Answer: B

Step-by-step explanation:because my teacher said she having trouble

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Evaluate the expression when x = 2, y = 3, and z = -4<br> 3X-2
leva [86]

Answer:4

Step-by-step explanation:

X= 2

3x= 3×2

3×2=6

6-2=4

4 0
3 years ago
A motorcycle breaks down and the rider has to walk the rest of the way to work. The motorcycle was being driven at 45 mph and th
UNO [17]

Answer:26 mile

Step-by-step explanation:

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3 years ago
14 plus 5(x plus 3) minus 7
Damm [24]
14+5(x+3)-7
14+(5x+15)-7
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5x+22
7 0
3 years ago
What is the value of the expression?
KengaRu [80]

Answer:

<h2>B. -3.2</h2>

Step-by-step explanation:

4\!\!\!\!\diagup^1\cdot\dfrac{-6.4}{8\!\!\!\!\diagup_2}=-\dfrac{6.4}{2}=-3.2

8 0
3 years ago
Q6: Which is the graph of the polar equation r=1/1-sin theta.
AveGali [126]

Answer:

The correct answer is C.

Step-by-step explanation:

The given equation is;

r=\frac{1}{1-\sin(\theta)}

This implies that;

r(1-\sin(\theta)=1

r-r\sin(\theta)=1

Let us write in Cartesian coordinates by substituting;

r=\sqrt{x^2+y^2} ,y=r\sin(\theta)

\sqrt{x^2+y^2}-y=1

\sqrt{x^2+y^2}=y+1

Square both sides;

(\sqrt{x^2+y^2})^2=(y+1)^2

This implies that;

x^2+y^2=y^2+2y+1

x^2=2y+1

y=\frac{1}{2}x^2-\frac{1}{2}

This is an equation of a parabola that opens upwards with a  y-intercept of -\frac{1}{2}.

The correct choice is C

4 0
3 years ago
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