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3 years ago

Find inequality represented in the graph someone please help

Mathematics

1 answer:

Delicious77 [7]3 years ago

5 0

U have a dashed line...meaning there is no equal sign in the problem
u have a y int (where ur line crosses the y axis) of 5
u have a slope of :
(0,5),(3,1)......(1- 5) / (3 - 0) = -4/3
it is shaded below the line, so it is less then

ur inequality is : y < -4/3x + 5 <===

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F(x)=−2(x+4) What is the value of f(−1)?

Vlada [557]

The value is -6
(-1,-6)
all you have to do it plug in -1 for x
f(-1)= -2(-1+4
f(-1)=-2(3)
f(-1)=-6

7 0

4 years ago

Read 2 more answers

The endpoints of EF are E(2, 3) and F(8, 11). The midpoint of EF is M. Find the length of EM.

Serga [27]

The midpoint of EF is M. The length of EM is 5

Given :

The endpoints of EF are E(2, 3) and F(8, 11).

M is the midpoint of EF

Lets find out the midpoint M using midpoint formula

$(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )\\E (x_1,y_1) is (2,3)\\F(x_2,y_2) is (8,11)$

Substitute the values inside the formula

$(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )\\\\(\frac{2+8}{2} ,\frac{3+11}{2} )\\\\(5,7)$

Midpoint M is (4,7)

Now to find out length of EM, we use distance formula

$Distance = \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\\\mathrm{The\:distance\:between\:}\left(2,\:3\right)\mathrm{\:and\:}\left(5,\:7\right)\\\sqrt{\left(5-2\right)^2+\left(7-3\right)^2}\\\sqrt{3^2+4^2} \\\sqrt{25}\\5$

So, length of EM= 5

Learn more : brainly.com/question/18332427

5 0

3 years ago

Help me please PRECALCULUS correct answers only please

elena-14-01-66 [18.8K]

In triangle ABC, two angles angle A and C are already given

Angle A =33.7

Angle C = 26.4

We know that the sum of angles in a triangle is 180 degree

Angle A + B + C = 180

33.7 + angle B + 26.4 = 180

60.1 + angle B = 180

Angle B = 119.9 degrees

Now we use sin angle formula to find b. Given a=24

$\frac{sin (A)}{a} =\frac{sin(B)}{b}$

$\frac{sin(33.7)}{24} =\frac{sin(119.9)}{b}$

$b =\frac{sin(119.9)*24}{sin(33.7)}$

b = 37.4979

Round answer to two decimal places

b = 37.50

8 0

3 years ago

Help with this math thingy pls! <3

zvonat [6]

45.6 hope this helps

8 0

3 years ago

Solve the system 2x+y=-3 -2y=6+4x

ANEK [815]

Answer:

Step-by-step explanation:

Write out the 2 equations:

2x + y = -3

-2y = 6+4x

-You then pick a variable that you want to solve for. I chose to solve for y because it would be a bit easier.

-2y = 6 + 4x

-Divide both sides by -2 to isolate the variable

(-2y) / -2 = (6 + 4x) / -2

-it comes out to y = -3 -2x

-Now that you have the y you can plug in the value into the second equation.

2x + y = -3 ---> 2x + (-3 -2x) = -3

This can be simplified to:

2x - 3 - 2x = -3

The 2x's cancel out because there is a +2x and a -2x. You are left with a

-3 = -3. If you add 3 to both sides of the equation you end up with 0 = 0, which can be simplified to just 0.

6 0

3 years ago