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3 years ago

Find the point-slope equation for

Mathematics

1 answer:

lisov135 [29]3 years ago

3 0

Answer:

y+32=3(x+8)

Step-by-step explanation:

y-y1=m(x-x1)

m=(y2-y1)/(x2-x1)

m=(1-(-32))/(3-(-8))

m=(1+32)/(3+8)

m=33/11

m=3

y-(-32)=3(x-(-8))

y+32=3(x+8)

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Each conditional statement below is true. Write its converse. If the converse is also true, combine the statements as a bicondit

Wittaler [7]

The converse of the statement will be : if x^2 = 100 then x = -10, which is not true.

<h3>How to find the true statement?</h3>

In order to write a converse of a conditional statement "p then q", will be "q then p" the hypothesis and conclusion interchanges.

Then the converse of the statement will be :

if x^2 = 100 then x = -10,

which is not true.

Since , x = +10, then x^2 = 100

Therefore, if x^2 = 100 then x = -10, which is not true.

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3 years ago

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HELP. there are 45 coins consisting of nickels, dimes and quarter making a total of 7 dollars. the number of dimes exceeds the n

MA_775_DIABLO [31]

9514 1404 393

Answer:

Step-by-step explanation:

Let n, d, q represent the numbers of nickels, dimes, and quarters, respectively. Then we have ...

n + d + q = 45

5n +10d +25q = 700

n -d = -5

Using n=d -5, we can substitute into the first two equations:

(d -5) +d + q = 45

2d +q = 50 . . . . add 5, collect terms [eq4]

5(d -5) +10d +25q = 700

15d +25q = 725 . . . . . . . . . . add 25, collect terms [eq5]

Multiplying [eq4] equation by 3 and subtracting that from 2/5 of [eq5], we have ...

(2/5)(15d +25q) -3(2d +q) = (2/5)(725) -3(50)

6d +10q -6d -3q = 290 -150

7q = 140 . . . . . . simplify

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3 years ago

Find the equation of the straight line that passes through these pairs of points -4 ,2 and 1,7

hoa [83]

Answer:

Y=x+6

Step-by-step explanation:

to find out the slope you use the equation y2-y1/x2-x1. When you plug in the coordinates it will look like 7-2/1-(-4) and this is equal to 5/5 which can be simplified to 1. So the slope is 1! Now to find the y intercept you have to do b=y1-m*x1! If you plug into the coordinate it will be b=2−(1)⋅(−4) which is equal to 6. Then to construct out equation of the line it will be y=mx+b so now we plug in the slope and the y intercept so that the equation would be y=x+6

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3 years ago