3 years ago

Given: is perpendicular to , which is the base of isosceles prove:

Mathematics

1 answer:

Angelina_Jolie [31]3 years ago

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Complete the equation of the line through (-9,7) & (-6,-3)

scZoUnD [109]

Answer:

$y=-\frac{10}{3}x-23$

Step-by-step explanation:

we have the points

(-9,7) and (-6,-3)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{-3-7}{-6+9}$

$m=-\frac{10}{3}$

step 2

Find the equation in point slope form

$y-y1=m(x-x1)$

we have

$m=-\frac{10}{3}$

$(x1,y1)=(-6,-3)$

substitute

$y+3=-\frac{10}{3}(x+6)$ ---> equation in point slope form

step 3

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$y+3=-\frac{10}{3}(x+6)$

Isolate the variable y

Distribute right side

$y+3=-\frac{10}{3}x-20$

subtract 3 both sides

$y=-\frac{10}{3}x-20-3$

$y=-\frac{10}{3}x-23$

7 0

3 years ago

. The sum of half of the first number and 1/3 of the second number is represented by 1/2a+1/3b=9.

Damm [24]

The sum(9) of half of the first number(1/2a) and one third of the second number(+1/3b)
That is correct

7 0

3 years ago

1. Lupita purchased a new ball gown to wear to the prom. The expression 0.06g represents the sales tax on the gown price, g. Wri

melamori03 [73]

The expression for the total amount that Lupita paid for the gown would be 1.06g.

The amount of the tax is 0.06g and the cost of the g is just 1g. If we add the two expressions together will will get the total amount paid.

0.06g + 1g = 1.06g

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3 years ago

7. David is having his birthday party at a water park. The park charges $150 plus $10 per guest. The total cost of the party y c

serious [3.7K]

Answer:

the slope represents 10 dollars for every guest where x = guest

Step-by-step explanation:

7 0

3 years ago

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What is equal to the expression (4^-5)^3

Leona [35]

The answer is 1/1073741824 or about 9.313 * 10^-10

8 0

3 years ago

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