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iVinArrow [24]
3 years ago
8

-8x+114=11x+10-11x what's the answer

Mathematics
1 answer:
gtnhenbr [62]3 years ago
4 0
The answer is x=13

I hope this helps!
Ask me for the work!
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the porportion of red marbles to blue marbles jar is 2 to 5. If there are 35 blue the jar, how many red mables are there?
vichka [17]
There are 14 red marbles
3 0
4 years ago
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What is the focus of the parabola? y=−1/4x2−x+3
alex41 [277]

Answer:  Focus = (-2, 3)

<u>Step-by-step explanation:</u>

y=-\dfrac{1}{4}x^2-x+3\\\\\rightarrow a=-\dfrac{1}{4},\ b=-1

First let's find the vertex. We do that by finding the Axis-Of-Symmetry:

AOS: x=\dfrac{-b}{2a}\quad =\dfrac{-(-1)}{2(\frac{-1}{4})}=\dfrac{1}{-\frac{1}{2}}=-2

Then finding the maximum by inputting x = -2 into the given equation:

y=-\dfrac{1}{4}(-2)^2-(-2)+3\\\\y=-1+2+3\\\\y=4

The vertex is: (-2, 4)

Now let's find p, which is the distance from the vertex to the focus:

a=\dfrac{1}{4p}\\\\\\-\dfrac{1}{4}=\dfrac{1}{4p}\\\\\\p=-1

The vertex is (-2, 4) and p = -1

The focus is (-2, 4 + p) = (-2, 4 - 1) = (-2, 3)

3 0
3 years ago
In the diagram, triangle GEF and triangle HEF are congruent. What is the value of x?
Harrizon [31]
2(x+2) = 60
x+2 = 30
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The correct answer is C
8 0
3 years ago
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Guys please help me with this question, I’d appreciate it a lot
laiz [17]

Answer:

x = 33°

Step-by-step explanation:

sin x = 6/11

sin x = o.5455

x = 33°

6 0
3 years ago
A car travels 143km in 2hours 45minutes .Find its speed in km / hour​
grin007 [14]

Answer:

52 km/hr

Step-by-step explanation:

Speed equals distance over time.

2 hours 45 minutes = 2.75 hours

S = 143/2.75

S = 52

The car’s speed is 52 kilometers per hour.

7 0
3 years ago
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