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2 years ago

Question 1

Mathematics

1 answer:

BartSMP [9]2 years ago

7 0

Answer:

(12, 2) 85° 95° 2.72 units 3.29 units

(11, 1) 81° 99° 2.03 units 3.04 units

(4, 2) 90° 90° 3.62 units 3.62 units

(8, 5) 102° 78° 5.70 units 4.37 units

(9, 7) 109° 71° 6.93 units 4.82 units

Step-by-step explanation:

I was looking for an answer then decided to do it myself and these are the correct answers.

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Dafna11 [192]

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2 years ago

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I need help with problems 14-15.

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For 14, the answer is >. You inversed it. You are right about question 15.

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2 years ago

What is 4x-2+x=-2+2x

Vsevolod [243]

Answer:

x= no solution

Step-by-step explanation:

4x-2+x=-2+2x

We first add 4x+x on the left side.

5x-2=2+2x

We then add 2 to both sides.

5x=2x

The answer is no solution because we got no answer out of the equation.

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2 years ago

Will give brainliest plz help

Dominik [7]

Answer:

$\frac{(x+4)^2}{25}+\frac{(y+3)^2}{9}=1$

Step-by-step explanation:

Given:

Center of the ellipse is, $(h,k)=(-4,-3)$

Minor axis length is, $2b=6$

A vertex of the ellipse is at (1, -3)

Now, distance between the center and the vertex is half of the length of the major axis.

Using distance formula for (-4, -3) and (1, -3), we get:

$a=\sqrt{(1+4)^2+(-3+3)^2}=5$

Therefore, the value of half of major axis is, $a=5$ . Also,

$2b=6\\b=\frac{6}{2}=3$

Now, equation of an ellipse with center $(h,k)$ is given as:

$\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$

Plug in $h=-4,k=-3,a=5,b=3$ and determine the equation.

$\frac{(x-(-4))^2}{5^2}+\frac{(y-(-3))^2}{3^2}=1\\\\\frac{(x+4)^2}{25}+\frac{(y+3)^2}{9}=1$

Therefore, the equation of the ellipse is:

$\frac{(x+4)^2}{25}+\frac{(y+3)^2}{9}=1$

6 0

2 years ago

What is the length of line segment S T if S is at -5,-1 and T is at -1,12? Round to the nearest hundredth.

GuDViN [60]

Distance formula : d = sqrt (x2 - x1)^2 + (y2 - y1)^2
(-5,-1)(-1,12)

d = sqrt (-1-(-5)^2 + (12 - (-1)^2
d = sqrt (-1 + 5)^2 + (12 + 1)^2
d = sqrt (4^2) + (13^2)
d = sqrt (16 + 169)
d = sqrt 185
d = 13.60 <==

4 0

2 years ago