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3 years ago

\left(3x-5\right)+\left(x+6\right)

Mathematics

1 answer:

ryzh [129]3 years ago

5 0

I'm sorry but I couldn't really get that can u at least take a picture or something

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What is the equation of the graphed line written in standard form?

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

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3 years ago

Given 2 lines cut by a transversal, what would the m<7 have to be if m <4=85 for the lines to be parallel and what is the

nlexa [21]

Answer:

85º

Step-by-step explanation:

<7=<4 since we know the lines are parallel, and intersected at the same angle

Therefore, <7=85º.

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3 years ago

A farmer fills his field proportionately with soybeans and corn. Last year he planted 200 acres of corn and 50 acres of soybeans

malfutka [58]

Answer:

Part A) Is a directly proportional

Part B) The constant of proportionality is $k=0.25$

Part C) The equation is $y=0.25x$

Part D) $62.5$ acres of soybeans

Step-by-step explanation:

Part A) Are the number of acres of corn and the number of acres of soybeans directly proportional or inversely proportional?

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$

Let

x-----> the number of acres of corn

y----> the number of acres of soybeans

$y/x=k$

if the number of acres of corn increases then the number of acres of soybeans increases

if the number of acres of corn decreases then the number of acres of soybeans decreases

therefore

The relationship is a directly proportional

Part B) What is the constant of proportionality?

we have that

For x=200, y=50

substitute

$y/x=k$

$k=50/200$

$k=0.25$

Part C) Let x equal the number of acres of corn and y equal the number of acres of soybeans. Write an equation to show this relationship.

The linear equation that represent the direct variation is equal to

$y/x=k$

we have

$k=0.25$

substitute

$y/x=0.25$

$y=0.25x$

Part D) How many acres of soybeans can the farmer plant this year if he plants 250 acres of corn?

For x=250

Find the value of y

substitute in the linear equation the value of x and solve for y

$y=0.25(250)=62.5$ -----> acres of soybeans

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3 years ago

A certain math textbook is 3/4 of an inch thick. how many of these books will fit on a shelf that is 3 feet wide

Advocard [28]

48 books will fit on this shelf.

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3 years ago

PLEASE HURRY!!!<br> What is the slope of the line in the graph?

Anastasy [175]

slope = change in y/ change in x

select two points on the line

(-4,4)

(0,1)

= (4-1)/(-4-0)

= -3/4

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3 years ago