All categories

3 years ago

HELLLPPPP!!!!!!!!!!!!!! I WILL MAKE YOU BRAINLIEST!!!!!!!!!! PLEASE HELP ME!!!

Mathematics

2 answers:

Nimfa-mama [501]3 years ago

4 0

Answer:

A. 12x; 5x + 14

Step-by-step explanation:

<u>Perimeter is:</u>

P = a + b + c
P = 4x - 3 + x + 9 + 8 = 5x + 14

A = 1/2bh
A = 1/2*8*3x = 12x

Correct choice is A

oksano4ka [1.4K]3 years ago

3 0

$\\ \sf\longmapsto Perimeter=Sum\:of\:sides$

$\\ \sf\longmapsto Perimeter=4x-3+x+9+8$

$\\ \sf\longmapsto Perimeter=5x+14$

And

$\\ \sf\longmapsto Area=\dfrac{1}{2}base(height)$

$\\ \sf\longmapsto Area=\dfrac{1}{2}(3x)(8)$

$\\ \sf\longmapsto Area=12x$

You might be interested in

Write an equation of a line that passes through (1,1)and (6,6)

Ghella [55]

Answer:

y=x

Step-by-step explanation:

When y=x, then the line goes up 1 and right 1.

7 0

3 years ago

What are three main ways in Whitehall organisms interact

Degger [83]

Answer:

http://www.classzone.com/science_book/mls_grade6_FL/540_547.pdf

Step-by-step explanation:

7 0

3 years ago

Why is the equation y-y1=m(x-x1) called the point-slope form?

MatroZZZ [7]

Answer:

The equation of the line with slope m = 2 and passing through the point (1, 1) will be:

$y = 2x$

Step-by-step explanation:

We know that the point-slope form of the line equation is

$y-y_1=m\left(x-x_1\right)$

where

m is the slope of the line

(x₁, y₁) is the point

The formula $y-y_1=m\left(x-x_1\right)$ is termed as the point-slope form of the line equation because if we know one point on a certain line and the slope of that line, then we can easily get the line equation with this formula and, hence, determine all other points on the line.

For example, if we are given the point (1, 1) and slope m = 2

Then substituting the values m = 2 and the point (1, 2)

$y-y_1=m\left(x-x_1\right)$

$y - 2 = 2(x-1)$