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DiKsa [7]
2 years ago
9

Write an algebraic expression for each of the statements below.

Mathematics
1 answer:
Tanya [424]2 years ago
7 0

Answer:

D) 3x + 7y = 49

E) x / 3 = 9

F) 2x + 4

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Write the equation for a line in Slope-Intercept Form (y = mx +b) given the two points below (2,10) (3,-5)
kicyunya [14]

Given:

The two end points of a line are (2,10) and (3,-5).

To find:

The equation of the line in the slope intercept form.

Solution:

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is the y-intercept.

The two end points of a line are (2,10) and (3,-5). So, the equation of the line is

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

y-10=\dfrac{-5-10}{3-2}(x-2)

y-10=\dfrac{-15}{1}(x-2)

y-10=-15(x-2)

On further simplification, we get

y-10=-15x+30

y=-15x+30+10

y=-15x+40

Therefore, the slope intercept form of the given line is y=-15x+40.

8 0
3 years ago
(Ignore this) I mean you can get the points if u want lol
Alborosie

Answer:

yuhhhh thanks brah hehehejejejne

6 0
3 years ago
PLEASE HELP MEEE <br> Can someone calculate the area of this shape
Genrish500 [490]

Step-by-step explanation:

The 1st rectangle

16 *7=112

next triangle

find details

13-7=6

16-8=8

6*8

48÷2

24+112

136

4 0
3 years ago
Need help here, please.
spayn [35]

Answer:

Option C is correct.

Step-by-step explanation:

y = x^2+4x+5

We need to find the vertex of the above equation.

The above equation represents the parabola.

The slope of parabola can be found by taking derivative of the given equation

dy/dx = 2x+4

The slope of the parabola at the vertex is zero SO,

2x+4 = 0

2x = -4

x = -4/2

x = -2

Putting value of x =-2 to find the value of y

y = x^2+4x+5

y =(-2)^2+4(-2)+5

y = 4-8+5

y =9-8

y = 1

So, the vertex is (-2,1)

Option C is correct.

8 0
3 years ago
Secx-cosx/tanx=___? Explain pls ...?
harkovskaia [24]
\frac{secx- cos x}{tan x}= \\ = \frac{ \frac{1}{cos x} -cos x}{ \frac{sinx}{cos x}}= \\ = \frac{ \frac{1-cos ^{2} x}{cos x} }{ \frac{sinx}{cos x} }= \\ = \frac{sin ^{2} x}{sin x}=
= sin x
6 0
3 years ago
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