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babunello [35]
3 years ago
9

2X -3 equals six what is x

Mathematics
2 answers:
alekssr [168]3 years ago
8 0
I think thats 4 1/12

olga2289 [7]3 years ago
5 0
The answer would be x=5
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A rectangle has a length of 3x + 7 and a width of 2x - 1. If the perimeter of the rectangle is 42 meters. What is the value of x
Mumz [18]
P=w+l
42=(3x+7)+(2x-1)
42=5x+6
36=5x
x=36/5

plug in x

w=3(36/5)+7
w=28.6

l=2(36/5)-1
l=13.4
6 0
3 years ago
The mean of 100 numberical observations is 37.53. what’s the value of the sum of all 100 numbers
Svetllana [295]

Answer: 3753

explanation:  Mean is the average so divide 3753 by 100 to get 37.53.

3 0
3 years ago
The 3rd term and 6th term of ageometric progression are
REY [17]

Step-by-step explanation:

a + a r + a r^2 + a r^3 + a r^4 + a r^5 + ar^6

a r^2 = 108

a r^5 =-32

r^5/r^2 = - 32/108 = -8/27

r^3 = -2^3/3^3 =

r = - 2/3

6 0
2 years ago
A rectangle has a length of 45 inches less than 4 times its width. if the area of the rectangle is 3325 square inches, find the
Maru [420]

The length of the rectangle is based on its width, so let's call width w and put the length in terms of the width. We are told that the width is 45 less than 4 times the width, so the length is 4w - 45. Area is found by multiplying length times width and we are given the area as 3325. So we will set up length times width and solve for w, which we will then use to solve for l. 3325 = (4w - 45)(w). Multiplying out we have 3325=4w^2-45w. Move the constant over by subtraction and then we will have a quadratic that can be factored to solve for w. 4w^2-45w-3325=0. We would put that through the quadratic formula to solve for w. When we do that we get that w = 35 and w = -23.75. The 2 things in math that will never EVER be negative is time and distance/length, so -23.75 is out. That means that the width is 35. The length is 4(35) - 45 which is 95. The dimensions of your rectangle are length is 95 and width is 35. There you go!

8 0
3 years ago
Write an equation that represents the line. (-3,-6) and (2,-2) use exact numbers
Ilia_Sergeevich [38]

Given:

The line passes through (-3,-6) and (2,-2).

To find:

The equation of line.

Solution:

If a line passes through two points (x_1,y_1)\text{ and }(x_2,y_2), then the equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

The line passes through (-3,-6) and (2,-2). So, the equation of line is

y-(-6)=\dfrac{-2-(-6)}{2-(-3)}(x-(-3))

y+6=\dfrac{-2+6}{2+3}(x+3)

y+6=\dfrac{4}{5}(x+3)

y+6=\dfrac{4}{5}(x)+\dfrac{4}{5}(3)

Subtract 6 from both sides.

y=\dfrac{4}{5}(x)+\dfrac{12}{5}-6

y=\dfrac{4}{5}(x)+\dfrac{12-30}{5}

y=\dfrac{4}{5}(x)+\dfrac{-18}{5}

y=\dfrac{4}{5}(x)-\dfrac{18}{5}

Therefore, the equation of line is y=\dfrac{4}{5}(x)-\dfrac{18}{5}.

3 0
3 years ago
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