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4 years ago

Can someone explain the rule of y=mx + b. How to do it I'm in 6 th grade

Mathematics

2 answers:

leonid [27]4 years ago

4 0

Y=m+b*x i think thats the answer

dmitriy555 [2]4 years ago

4 0

Y=mx+b is the equation for any straight line
M is the slope of the line
B is the y intercept
The y intercept of a line is the value of y where it crosses the y axis on a graph
EX: y=2x+1
2 is the slope & 1 is the y intercept (where it crosses the y axis on the graph)

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A store sells a package of 25 trading cards for $5.25. Use pencil and paper. Explain how you can tell that the unit price per c

zzz [600]

Answer:

21 cent per card

Step-by-step explanation:

5.25 / 25 = .21

because 25 can be divided into the first 2 numbers

6 0

3 years ago

ONLY PUT THE INEQUALITY

marishachu [46]

320+30h>980
-320 -320
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30h>660
/30 /30
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3 0

3 years ago

What is the area of the rectangle?

Colt1911 [192]

Answer:

$A=50\ units^2$

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$

The coordinates of vertices are

$A(-5,5),B(-1,7),C(4,-3),D(0,-5)$

using a graphing tool

Plot the coordinates of rectangle to better understand the problem

see the attached figure

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have that

$L=AD,W=AB$

Find out the distance AD

we have

$A(-5,5),D(0,-5)$

substitute in the formula

$L=\sqrt{(-5-5)^{2}+(0+5)^{2}}$

$L=\sqrt{(-10)^{2}+(5)^{2}}$

$L=\sqrt{125}\ units$

Find out the distance AB

we have

$A(-5,5),B(-1,7)$

substitute in the formula

$W=\sqrt{(7-5)^{2}+(-1+5)^{2}}$

$W=\sqrt{(2)^{2}+(4)^{2}}$

$W=\sqrt{20}\ units$

The area of rectangle is equal to

$A=(\sqrt{125})(\sqrt{20})$

$A=50\ units^2$

6 0

3 years ago

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Solnce55 [7]

There is no attachment attached.

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3 years ago

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Dvinal [7]

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Suppose you have a set A and a set B, so if a relation assigns to each element $x$ in the set A exactly one element $y$ in the set B, then the function $f$ is in fact that relation.

7 0

3 years ago