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yulyashka [42]
3 years ago
8

PLS HELP WILL GIVE BRAINLIEST AND POINTS PLS HELP

Mathematics
2 answers:
padilas [110]3 years ago
8 0
The answer is definitely c
mestny [16]3 years ago
4 0

Answer:

it is c

Step-by-step explanation:

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torisob [31]

the first one

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5 0
3 years ago
8. Write the equation of the line in slope-intercept form that has: <br> points: (3, 5) and (-1,-3)
aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

y = mx + b Calculate the slope, m, from the given point values, solve for b by using one of the point values, and check your solution using the other point values.

A line can be thought of as the ratio of the change between horizontal (x) and vertical (y) positions. Thus, for any two points defined by Cartesian (planar) coordinates such as those given in this problem, you simply set up the two changes (differences) and then make the ratio to obtain the slope, m.

Vertical difference “y”  = y 2 – y 1 = − 5 – 1 = − 6  

Horizontal difference “x” = x 2 – x 1 = − 2 – − 3 = 1

Ratio = “rise over run”, or vertical over horizontal = ( − 6 1 ) = − 6  for the slope, m.  

A line has the general form of y = mx + b, or vertical position is the product of the slope and horizontal position, x, plus the point where the line crosses (intercepts) the x-axis (the line where z is always zero.) So, once you have calculated the slope you can put any of the two points known into the equation, leaving us with only the intercept 'b' unknown.

1 = ( − 6 ) ⋅ ( − 3 ) + b ; 1 = 18 + b ; 1 – 18 = b ; − 17 = b

Thus the final equation is  y = − 6 ⋅ x − 17

We then check this by substituting the other known point into the equation:

− 5 = ( − 6 ) ⋅ ( − 2 ) − 17 ; − 5 = 12 − 17 ; 5 = − 5

4 0
2 years ago
Multiply −3x2(6x2 + 2x − 3).
mr_godi [17]

Answer:

hope this will help you.

7 0
3 years ago
Write an expression using the unit cost 0.98 to find the cost of three dozen cookies
just olya [345]

Answer:

11.76 * 3 = $35.28 for 3 dozens of cookies.

Step-by-step explanation:

0.98 cents per cookie

one dozen is 12 cookies

Objective: What is the cost of 3 dozens (Of cookies)

.98 * 12 = 11.76 (Price of one dozen)

11.76 * 3 = $35.28 for 3 dozens of cookies.

11.76 * 3 = x

or

3x = 35.28

6 0
3 years ago
Read 2 more answers
Are 8y=3x+40 and y=8/2x-1 perpendicular
Vitek1552 [10]
Yes it is perpendicular because if you look at it it's just in distributive property.<span />
8 0
3 years ago
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