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3 years ago

Quick does anyone know this please give me the right answer ( this is due in 20 minutes)

Mathematics

2 answers:

VikaD [51]3 years ago

8 0

Answer:

32?

Step-by-step explanation:

Hitman42 [59]3 years ago

5 0

Answer: I believe it is 670 sq. ft.

Step-by-step explanation:

Someone correct me if I'm wrong. I feel as though this is wrong.

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Which equation represents the hyperbola in general form?

valina [46]

ANSWER

$9 {y}^{2} - 4 {x}^{2}- 36y + 16x - 16 = 0$

EXPLANATION

The standard equation of the hyperbola is

$\frac{ {(y - 2)}^{2} }{4} - \frac{ {(x - 2)}^{2} }{9} = 1$

We multiply through by 36 to obtain:

$9 {(y - 2)}^{2} - 4( {x - 2)}^{2} = 36$

We now expand to get,

$9( {y}^{2} - 4y + 4) - 4( {x}^{2} - 4x + 4) = 36$

Expand :

$9 {y}^{2} - 36y + 36 - 4 {x}^{2} + 16x - 16 = 36$

To get the general form, we equate everything to zero to get,

$9 {y}^{2} - 4 {x}^{2}- 36y + 16x - 16 = 0$

The correct choice is D.

7 0

3 years ago

If you answer this ill give u brainliest what is 23*45*98-3

nikdorinn [45]

(23*45*98)-3 = 101,427

the answer is = 101,427

23*45 = 1,035

1,035*98 = 101,430

101,430 - 3 = 101,427

7 0

3 years ago

Write the equation of the line in fully simplified slope intercept form

Naily [24]

Answer: y = (1/4)x - 1

Step-by-step explanation:

Slope intercept form is $y = mx + b$ . The $y$ -intercept is -1 so we have $y = mx - 1$ . To find $m$ , look at the points $(0, -1)$ and $(4, 0)$ . The line goes up 1 and over 4, so the slope, $m$ , equals $1/4$ . Thus the full equation is

$$y = (1/4)x - 1$ .

4 0

2 years ago

It took Ivan 7.5 hours to drive 412.5 miles. How fast was he driving?

Tju [1.3M]

Since the question is asking how fast he is driving, we need to find his speed in miles per hour. To do this, you need to divide the amount of miles he drove by the amount of hours it took. When you do 412.5/7.5, you get the answer of 55 miles per hour.

6 0

3 years ago

Find all the missing sides and angles of this triangle,

iren2701 [21]

Answer:

See solutions below

Step-by-step explanation:

From the given diagram;

AC = opposite

AB = 7 = hypotenuse

Angle of elevation = 70 degrees

Using SOH CAH TOA

Sin theta = opp/hyp

Sin theta = AC/AB

Sin 70 = AC/7

AC = 7sin70

AC = 7(0.9397)

AC = 6.58

Similarly

tan 70 = AC/BC

tan 70 = 6.58/BC

BC = 6.58/tan70

BC = 6.58/2.7475

BC = 2.39

tan m<A = BC/AC

tanm<A = 2.39/6.58

tan m<A = 0.3632

m<A = 19.96degrees

8 0

2 years ago