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natka813 [3]
3 years ago
9

What’s the answer please

Mathematics
2 answers:
Lunna [17]3 years ago
6 0
You could set up a ratio: 
\frac{186}{3} = \frac{x}{1}
which then becomes: 

strojnjashka [21]3 years ago
5 0
Hello there, and thank you for posting your question here on brainly.

She drove 186 miles in 3 hours, to find out how much she drove in 1 hour, you can divide 186 by 3.

186 / 3 = 62

She drove 62 mph / miles per hour.

Hope this helped!! ☺♥
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PLS HELP<br> What is the area of the triangle?
Rom4ik [11]

Answer:

B

Step-by-step explanation:

(base x height)/2 = (2.9 x 8.1)/2 = 11.7 cm^2

5 0
3 years ago
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what is the equation of the line that is parallel to the line y= 3x-4 and passes through the point (4, -2)
Nimfa-mama [501]

Answer:

y = 3x - 14

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x - 4 is in this form with slope m = 3

• Parallel lines have equal slopes, hence

y = 3x + c ← is the partial equation of the parallel line

To find c substitute (4, - 2) into the partial equation

- 2 = 12 + c ⇒ c = - 2 - 12 = - 14

y = 3x - 14 ← equation of parallel line

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3 years ago
Philip is going on a 4000-kilometer road trip with three friends. The car consumes 6 liters of gas per 100 kilometers, and gas c
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3 years ago
PLEASE HELP
Naya [18.7K]

Answer:

11. Equation of hyperbola having  vertices at (0, ±6) and foci at (0, ±9).

is given by \frac{y^2}{a^2}- \frac{x^2}{b^2}=1

also b²= c²-a²

 b²=81-36

b²=45

So, Equation becomes , \frac{y^2}{36}- \frac{x^2}{45}=1

Option (D) is correct.

12.Vertices (0,  ± 4), Asymptotes = ±1/4.x

equation of asymptote is given by, x = \pm y \frac{b}{a}

\frac{4}{b}=\frac{1}{4}

So a=4 and b=16,

So , equation becomes \frac{y^2}{16}- \frac{x^2}{256}=1

Option (B) is correct.

13.  x= t-3, and y = t²+ 5

Replace t by x+3, we get

y= (x+3)² +5

y=x²+ 6x +14

Option (A) is correct.

14. Polar coordinates is given by (r,∅)

Polar coordinates of point is (3, 2π/3)

So, r =3, ∅ =2π/3

x= r cos∅ and y = r sin∅

x=3 Cos (2π/3) and y= 3 Sin (2π/3)

x= -3/2 and y=3√3/2

Option (A) is correct.

14. Polar coordinate is given by (r,∅)

Here , r=1, and ∅ = -π/6

x= r Cos ∅ and y =r Sin∅

x= 1 Cos (-π/6) and  y= 1 Sin (-π/6)

x =√3/2 and y =1/2

Option (B) which is B) (1, negative pi divided by 6 + 2nπ) or (-1, negative pi divided by 6 + 2nπ) is correct.

16. Two pairs of polar coordinates for the point (4, 4) with 0° ≤ θ < 360°.

is  option (B) which is B) (4 square root 2 , 45°), (-4 square root 2 , 225°).

17. A circular graph with inner loop on the left of a limacon curve is given by

r = a + b Cos∅.

In this case a> b.

So , Option (D) r = 4 + cos θ as well as (A) r = 3 + 2 cos θ looks correct.

18. Equation of limacon curve is given by r = -2 + 3 cos θ, here , a<b

So it is symmetric about y-axis only.Option (B) is correct.



5 0
3 years ago
Use the following scenario to answer the question below:
-BARSIC- [3]
I'm sorry I would help u but I need a calculator
6 0
3 years ago
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