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Hitman42 [59]
3 years ago
9

Subtract 6x3-2x2+3x and 2x4+5x3-2x2-8x

Mathematics
1 answer:
svp [43]3 years ago
5 0

Answer:

19-8x

Step-by-step explanation:

8 + 5 x 3 - 2 x 2 - 8x

Calculate

5 + 15 - 4 - 8x

19 - 8x

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What is the slope of the line that passes through (3, −7) and (−1, 1)? (1 point)
ELEN [110]

Answer:

The slope of the line is -2

Step-by-step explanation:

<em>The rule of the slope of a line is</em>:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}  , where

(x_{1},y_{1}) and (x_{2},y_{2}) are two points on the line

<em>Let us find the slope using the rule above</em>

∵ The line passes through points (3, -7) and (-1 , 1)

∴ x_{1} = 3 and  x_{2} = -1

∴ y_{1} = -7 and  y_{2} = 1

<em>Substitute these values in the rule above to find m</em>

∴ m=\frac{1--7}{-1-3}=\frac{1+7}{-4}=\frac{8}{-4}=-2

∴ The slope of the line that passes through the given points is -2

8 0
4 years ago
PLS HELP NOBODY WILL HELP ME JUST SPAM ANSWERS I WANNA CRY JUST PLS ANYONE? ILL DEFINETLY GIVE BRAINLIEST : (
gulaghasi [49]

Answer: 21n + 70= 21n plus 70

Step-by-step explanation:

step by step explanation the n is 21 plus 70 plus then you have to do equals on the sign 21n in the box where it says n  add 21 then add 70 and then add a = sign and your done

8 0
3 years ago
Find the area of a triangle with vertices at D(2, 0), E(–1, 0), and F(2, –7).
kati45 [8]
Im suck on the same question 
8 0
3 years ago
Read 2 more answers
If u = 3 inches, v = 4 inches, w = 7 inches, x = 7 inches, y = 8 inches, and z = 4 inches, what is the area of the object?
kvasek [131]

Answer:270

Step-by-step explanation:

Length:

U = 3 inches

W = 7 inches

Y = 8 inches

Add them up: 18 inches all together.

Width:

V = 4 inches

X = 7 inches
Z = 4 inches

Add them up: 15

A= L x W —>  15 x 18 = 270

7 0
2 years ago
given sin theta = -3/5 and csc theta -5/3 in quadrant 3, find the value of other trigonometric functions using a Pythagorean Ide
tiny-mole [99]

Answer:

cos theta = -4/5.

sec theta = -5/4.

tan theta = 3/4.

cot theta = 4/3.

Step-by-step explanation:

sin^2 theta + cos^2 theta = 1

(-3/5)^2 + cos^2 theta = 1

cos^2 theta = 1 - 9/25

cos^2 theta = 16/25

cos theta = -4/5 (negative because  it is in Quadrant 3).

sec theta = 1 / cos theta = -5/4.

tan theta = sin theta / cos theta = -3/5 / - 4/5

= -3/5 * -5/4

=  3/4.

cot theta  =  1 / tan theta = 4/3.

5 0
4 years ago
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