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V125BC [204]
3 years ago
6

12x^+2x^2=2y^2+28y-6

Mathematics
1 answer:
Ket [755]3 years ago
5 0

Hello,

There is no X intercept but there is a Y

Y intercept =  (0,-7 + 2 square root of 13),(0,-7,- 2 square root 13)

Center (-7,0)

Vertices: (−7+√x2+52,0),(−7−√x2+52,0)

(-7+x2+52,0),(-7-x2+52,0)

Foci: (−

42−√42(x2+52) 6 ,0),(−

42+√42(x2+52)

6

,0)

(-42-42(x2+52)6,0),(-42+42(x2+52)6,0)

I honestly dont know what your trying to solve so im guessing thats what you wanted...

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What is the value of x ??
sineoko [7]

Answer:

24

Step-by-step explanation:

The cosine of an acute angle in a right triangle  is the ratio of the length of the adjacent side to the length of the hypotenuse.

\tt \cos A=\cfrac{x}{AC} \ \ \Rightarrow \ \ x=AC\cdot\cos A=24\sqrt{2}\cdot\cfrac{\sqrt{2}}{2}=24 \ units

4 0
3 years ago
The average speed of Car 1 = 45 mph.
oee [108]

Answer:

\boxed{\text{0.675 h}}

Step-by-step explanation:

18 min = 0.3 h

Car 1 started 0.3 h before Car 2.

  Let t = time of Car 2. Then

t + 0.3 = time of Car 1

Distance = speed × time, and both cars travel the same distance. Then

\begin{array}{rcl}45(t + 0.3) & = & 65t\\45t + 13.5 & = & 65t\\20t & = & 13.5\\t & = & \textbf{0.675 h}\\\end{array}\\\text{Car will overtake Car 1 in } \boxed{\textbf{0.675 h}}

Check:

\begin{array}{rcl}45(0.675 + 0.3) & = & 65 \times 0.675\\45 \times 0.975 & = & 43.875\\43.875 & = & 43.875\\\end{array}

OK.

7 0
3 years ago
Read 2 more answers
the outdoor temperature was 8 degrees at midnight. The temperature declined 5 degree during each of the next 3 hours What was th
kompoz [17]
I would say it was 3 degrees at 3am
4 0
3 years ago
What the answer is to this question as a fraction in lowest terms
Pachacha [2.7K]

Hello from MrBillDoesMath!

Answer:

9 3/8


Discussion:


2 1/7 = 15/7

4 3/8 = 35/8  

so the product  

(2 1/7) * ( 4 3/8) =  

15/7  * 35/8 =

15/7 * (7 * 5)/8 =            

         since 35 = 7*5. Cancel "7" in numerator\denominator  to get

(15 * 5) / 8 =

75/8 =

9 3/8


Thank you,

MrB

3 0
3 years ago
32 feet per sec squared into inches
Natasha_Volkova [10]

It would be 32 x 12 because there are 12 inches per feet. So the answer would be 384 inches per sec squared. If this is right could you possibly give me brainliest? Hope this helped.

5 0
3 years ago
Read 2 more answers
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