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2 years ago

Estimate the answer to

Mathematics

1 answer:

AlladinOne [14]2 years ago

4 0

Answer:

~ 80.75 x 10^7

Step-by-step explanation:

9 x 8 + 9 * .5 + .5 * 8 + .5 * . 5 = ~ 80.75 x 10 ^7

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One side of a rectangle is 3 inches shorter than the other side, and the perimeter is 54 inches. What are the dimensions

vodomira [7]

Answer:

2(x-3)+2x=54

Step-by-step explanation:

Take the side length of the rectangle as x

For the perimeter we must have - as we also have 2 lots of a side that is 3 inches shorter than x.

$2x + 2(x-3) = 54$

8 0

4 years ago

Plz help I will give you 40 points and Brainly

Rama09 [41]

Answer:

D) {-5,1}

R) {-4,7}

x (-31/11,0)

y (0,31/6)

Hope this helped! Have a nice day! Plz mark as brainliest!!! :D

-XxDeathshotxX

8 0

3 years ago

Find the equation of a line with slope 1/2 through the point (10,12)

mihalych1998 [28]

Answer:

$x-2y+14=0$

Step-by-step explanation:

$Slope \:( m) =\frac{1}{2}$

$(x_1 \:y_1) =(10, \:12)$

Equation of line in point slope form is given as:

$y-y_1 =m(x-x_1)$

Plugging the values of m and $(x_1 \:y_1)$ , we find:

$y-12=\frac{1}{2} (x-10)$

$2y-24=x-10$

$0=x-10-2y+24$

$x-2y+14=0$

This is the required equation of line.

5 0

3 years ago

Need help ASAP... 10 points!!

Novosadov [1.4K]

Answer:

I'm 89.73% sure that the answer is 90 degrees

Step-by-step explanation:

because you are on a right angle

3 0

3 years ago

Using point slope form write the equation of the line that passes through the point (-1/2, 1/2) and has a slope of -1

lesantik [10]

Answer: $y-\frac{1}{2}=-(x+\frac{1}{2})$

Step-by-step explanation:

The point-slope form of the equation of the line is:

$y-y_1=m(x-x_1)$

Where "m" is the slope of the line and $(x_1,y_1)$ is a point of the line.

You know the value of the slope and you also know a point of the line, then you need to substitute values into $y-y_1=m(x-x_1)$ .

Therefore, you get that the equation of this line in point-slope form is:

$y-\frac{1}{2}=-1(x-(-\frac{1}{2})\\\\y-\frac{1}{2}=-(x+\frac{1}{2})$

6 0

3 years ago

Read 2 more answers