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MissTica
2 years ago
13

Solve the system of linear equations. 3x - 6y = -9 and -5x +10y = 10

Mathematics
1 answer:
Karolina [17]2 years ago
4 0

Answer:

no solution

Step-by-step explanation:

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Using the slope of 7 and y-intercept of (0, 16), write an equation of the line
Katen [24]

Answer:

y = 7x + 16

Step-by-step explanation:

Slope (m) = 7

y - intercept (b) = 16..{from (0, 16)}

Equation of line in slope intercept form is given as:

y = mx + b \\  \therefore \: y = 7 \times x + 16 \\   \huge \red{ \boxed{ \therefore \: y = 7 x + 16 }}

6 0
3 years ago
Answer for 10 points
12345 [234]

Answer:

$4250

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Write an equation of the line passing through the point (-8, -4) that is perpendicular to the line given by y= 1/6 x+3.
user100 [1]

Answer:

y+4=-6(x+8)  point-slope form

y=-6x-52 slope-intercept form

6x+y=-52 standard form

Step-by-step explanation:

Slope-intercept form of a line is y=mx+b where m is the slope and b is the y-intercept.

Lines that are perpendicular have opposite reciprocal slopes.

So the slope of y=(1/6)x+3 is 1/6.

The opposite reciprocal of (1/6) is -6.

So the equation for the line we are looking for is in the form:

y=-6x+b         (Since the slope of our new line is -6)

Now we want our line to go through (-8,-4).

So plug that in:

-4=-6(-8)+b

-4=48+b

Subtract 48 on both sides:

-52=b

The equation for the line we are looking for is

y=-6x-52.

Now you could do other forms.

Another one is point-slope form.

We already know it goes through (-8,-4) and a slope of -6.

Point slope form is: y-y1=m(x-x1) where m is the slope and (x1,y1) is a point on the line.

Plug in the information to get:

y-(-4)=-6(x-(-8))

y+4=-6(x+8)

I'm going to do one more form.

Standard form is ax+by=c where a,b,c are integers.

y=-6x-52

Add 6x on both sides:

6x+y=-52

6 0
3 years ago
Find the area of the the regular polygon.
VARVARA [1.3K]

Answer:

<em>Area of Regular Polygon = ( About ) 332.6 units^2; Option C</em>

Step-by-step explanation:

<em>~ Let us first declare consecutive notes. If we were to draw an altitude in this triangle, it would be perpendicular to the base, by definition. At the same time this shape is a regular polygon, so all sides ( and angles ) are ≅. This would mean that, by Coincidence Theorem, the altitude divides the base into the two ≅ parts. ~</em>

1. If that is so, the altitude would split this base into parts ⇒ ( 16√3 )/2 = 8√3.

2. This would mean that the altitude can be found through Pythagorean Theorem, provided that by definition it forms a 90 degree angle at the base. Let us say x ⇒ the length of the altitude, ( 8√3 )^2 + ( x )^2 = ( 16√3 )^2 ⇒ 192 + x^2 = 768 ⇒ x^2 = 576 ⇒ length of altitude - 24 units

3. With the base 16√3 units, and the the altitude/height 24 units, we can find the area of this regular polygon to be ⇒ 1/2 * base * height ⇒ 1/2 * 16√3 * 24 ⇒ 192√3 units^2

4. That being said that area would be 192 * 1.732050808...... ⇒

<em>Area of Regular Polygon = ( About ) 332.6 units^2</em>

8 0
3 years ago
Which simplified fraction is equal to 0.17 repeating?
quester [9]
Answer: 16/90

Solution: 16 divided by 90 = 0.17 repeating
7 0
3 years ago
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