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Liono4ka [1.6K]
2 years ago
14

A stick is x meters long. a string is 4 times as long as the stick.

Mathematics
2 answers:
xxMikexx [17]2 years ago
7 0

Answer:

4x

Step-by-step explanation:

Since x is the length of the stick and the string is 4 times as long as the stick, the length with be 4 times x or 4x.

nalin [4]2 years ago
4 0

Answer:

Step-by-step explanation:

Length of stick = x meters

Length of string = 4 * length of stick

                         = 4 * x

                          = 4x

You might be interested in
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

so

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

7 0
3 years ago
Plzz help me A S A P
svlad2 [7]

i think the answer is 24.56

3 0
3 years ago
(1 mark)
svet-max [94.6K]

Answer:

Inverse proportion

Step-by-step explanation:

Inverse proportion: in this type of relation, two quantities proportion such that one decreases and other increases or vice-versa.

So, in the given question when the number of workers increases, time is taken for certain work decreases.

So, Inverse proportion is the correct answer.

8 0
3 years ago
Write 3x+4y=12 in slope intercept form
cestrela7 [59]
Ok, let’s take it step by step.
In order to write an equation in slope intercept form, solve for y.
3x+4y=12
First, subtract 3x from both sides.
4y=-3x+12
Now, divide both sides by 4.
y=-3/4x+3.

So, 3x+4y=12 written in slope intercept form is y=-3/4x+3.
5 0
3 years ago
Read 2 more answers
Three less than a number b is more than 15.
Korolek [52]

Answer:

b-3>15b>18(18 infinity)

Step-by-step explanation:

4 0
2 years ago
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