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nordsb [41]
3 years ago
6

If y varies directly with x and y= -3 when x= 1, what is y when x=-6

Mathematics
2 answers:
Shkiper50 [21]3 years ago
8 0

Answer:9

Step-by-step explanation:

Helen [10]3 years ago
3 0

Answer:

9

Step-by-step explanation:

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7-4[3-(4y-5)] plz help me
ad-work [718]

Let's simplify step-by-step. <span>7−<span>4<span>(<span>3−<span>(<span><span>4y</span>−5</span>)</span></span>)</span></span></span>

<span><span><span /></span></span>Distribute:<span> =<span><span><span>7+<span><span>(<span>−4</span>)</span><span>(3)</span></span></span>+<span><span>(<span>−4</span>)</span><span>(<span>−<span>4y</span></span>)</span></span></span>+<span><span>(<span>−4</span>)</span><span>(5)</span></span></span></span><span>=<span><span><span><span><span>7+</span>−12</span>+<span>16y</span></span>+</span>−20</span></span>

<span><span /></span>Combine Like Terms: <span>=<span><span><span>7+<span>−12</span></span>+<span>16y</span></span>+<span>−20</span></span></span><span>=<span><span>(<span>16y</span>)</span>+<span>(<span><span>7+<span>−12</span></span>+<span>−20</span></span>)</span></span></span><span>=<span><span>16y</span>+<span>−25</span></span></span>

<span><span><span>
</span></span></span>

<span><span><span /></span></span>Answer: <span>=<span><span>16y</span>−<span>25</span></span></span>

7 0
3 years ago
Read 2 more answers
You bought the new PS5 and 4 games for $660. the PS5 cost $499 and each game cost the same amount. Write an equation that can be
nirvana33 [79]
4x+499=660
X=40.25
X equeals the amount for each game.
4 0
2 years ago
What are the vertex, focus, and directrix of the parabola with the equation x2+8x+4y+4=0
Novay_Z [31]
<span>x2 +8x +4y +4 = 0
</span>4y=<span> -x2 -8x -4</span>y = -.25*x^2 -2x -1
a = -.25b = -2c = -1
x position of vertex:
h = -b / 2a
h = 2 / 2*-.25h = 2 / -.5h = -4
y position of vertex:
k = ah^2 + bh + ck = -.25*-4^2 + -2*-4 + -1k = -4 +8 -1k = 3
VERTEX = (-4, 3)**************************************************************************
x value of focus =x value of vertex = -4
y value of focus =(1 (-b^2 -4ac)) / 4a

a = -.25 b = -2 c =-1
y value = (1 (-4 -4*-.25*-1)) / 4*-.25
y value = (1 (-4 -4*-.25*-1)) / -1
y value = (1 -4 +1) / -1y value = (-2 / -1)y value = 2
focus value = (-4, 2)
Answer is the last one.

7 0
3 years ago
X= ? The trainable a below are similar
ratelena [41]

\frac{x + 7}{3x + 3}  =  \frac{19}{38} \\ \Leftrightarrow  \frac{x + 7}{3x + 3}  =  \frac{1}{2}  \\ \Leftrightarrow 2x + 14 = 3x + 3 \\ \Leftrightarrow x = 11

6 0
2 years ago
Please Help Quick!!! 25 Points<br> What is the radical form of the expression 4 3/2?
bixtya [17]

Answer: C; 3 4/2

Step-by-step explanation:  A fraction exponent can be represented using a radical. The base number is the number in the radical. The numerator of the fraction is the exponent inside the radical. The denominator is the type of radical.

An exponential always crosses at (0,1) This function crosses at (0.6) meaning it has shifted up 5 units or +5. These means only answer options A and D are possible solutions. Also, since the graph starts high and ends low and leveling out, this means the base is less than 1. Only 3/4 is less than 1. Answer A is the solution.

hope this helps, thank you! :)

6 0
3 years ago
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