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eduard
3 years ago
9

Solve the inequality 4(x + 3) - 72 x + 3(x + 1)

Mathematics
2 answers:
dusya [7]3 years ago
5 0

Answer:

=-65+18i think sorry I'm not much help but I hope it was right

mojhsa [17]3 years ago
3 0

Answer:

= -65x + 15

Step-by-step explanation:

You Welcome ❤

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Write the equation for the line in slope-intercept form.
Elan Coil [88]

Answer:

y = 4x + 3

Step-by-step explanation:

We are given the line shown in your question.

We want to write the equation of this line in slope-intercept form

Slope-intercept form is given as y=mx+b, where m is the slope and b is the value of y at the y intercept

As we are given the graph of the line, we can pick any 2 points to help us find the equation; in this case, let's take (0,3) and (-1, -1).

First, we need to find the slope of the line

The slope (m) can be found using the equation \frac{y_2-y_1}{x_2-x_1}, where (x_1, y_1) and (x_2, y_2) are points

Let's label the values of the points to avoid confusion and mistakes before calculating.

x_1= 0\\y_1=3\\x_2=-1\\y_2=-1

Now substitute these values into the equation for the slope

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{-1-3}{-1-0}

Subtract

m=\frac{-4}{-1}

Divide

m = 4

The slope of the line is 4

Here is the equation of the line so far:

y = 4x + b

Now we need to find b

As stated above, b is the value of y at the y intercept; the y intercept is the point where the line intersects with the y axis. The value of x at this point is 0

One of the points we used to calculate the slope was actually the y intercept point; this point is (0, 3). The value of y at this point is 3, so the value of b is 3

Substitute 3 as b in our equation

y = 4x + 3

Topic: finding the equation of the line

6 0
2 years ago
What is the volume of the regular pyramid bellow?
Svet_ta [14]

Answer:

128 units^3

Step-by-step explanation:

v =  \frac{b \times b \times h}{3} =  \\  =  \frac{8 \times 8 \times 6}{3} =  \\  = 128 \:  {units}^{3}

8 0
3 years ago
Read 2 more answers
Find the slope of the line perpendicular to the given points. Use / for a fraction.<br> Explain how
stiv31 [10]

Answer:

i think -1/26

Step-by-step explanation:

(y2 - y1) / (x2 - x1)

(-15+16) /(-7-19)

1/-26

6 0
3 years ago
What would be a good way to explain the steps to solve this equation?
vladimir2022 [97]

7*7=49

since B is 7 times greater than A, so 7*7

6 0
2 years ago
Read 2 more answers
Which of the following equations can be used to find the length of EF in the
Vinil7 [7]

The equation which can be used to find the length of EF is option A which is  EF=\sqrt{24^{2} -12^{2} }.

Given the length of base of right angled triangle is 12 and the hypotenuse be 24.

We are to find the length of EF and tell which equation can be used to find the length of EF.

We know that pythagoras theorem applies in a right angled triangle.

Pythagoras theorem says that in a right angled triangle the square of the hypotenuse is equal to the sum of square of base and perpendicular.

H^{2} =B^{2} +P^{2}

In this triangle we are only given base and hypotenuse and we have to find EF which is perpendicular.

(DE)^{2} =(EF)^{2} +(DF)^{2}

EF=\sqrt{DE^{2}-DF^{2}  }

=\sqrt{(24)^{2} -(12)^{2} }--1

=\sqrt{576-144}

=\sqrt{432}

Hence the equation which can be used to find the length of Ef is option A which is  EF=\sqrt{24^{2} -12^{2} }.

Question is incomplete as it should include the figure also.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ1

3 0
1 year ago
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