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3 years ago

Is my plotting right and what is the equation?

Mathematics

1 answer:

IrinaK [193]3 years ago

7 0

Answer:

Yes you plotting is correect

Step-by-step explanation:

Use a calculator to find ur equation

go on google and search up find equation of line

go to first link

and calculate

cause im to lazy to do ur stuff

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How to find the vertex of a function

belka [17]

Step-by-step explanation:

1.Get the equation in the form y = ax2 + bx + c.

2.Calculate -b / 2a. This is the x-coordinate of the vertex.

3.To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y. This is the y-coordinate of the vertex.

4 0

3 years ago

So I don't know what 5*7 is because it confusing

RideAnS [48]

Answer:

35/16

Explanation:

(5*7)/2^4

= 35/2^4

= 35/16

Note:

Please mark as brainliest! <3

3 0

3 years ago

Read 2 more answers

How do you solve this?

LekaFEV [45]

This is backward dude

7 0

3 years ago

Prove Forall x elementof Z, x^2 - 5x - 1 is odd.

Diano4ka-milaya [45]

Answer with Step-by-step explanation:

Let Z be a set of integers

We have to prove that $x^2-5x-1$ is odd for all value of x $\in$ Z.

There are two cases

1.When x is an odd integer number

2.when x is even integer number

1.When x is an odd integer number

When x is positive odd integer

Then $x^2$ is positive odd number (because square of odd positive number is always positive an odd number )

5x is also odd number

-5x -1 = -even number

Suppose x=3

Then -15-1=-16

Odd number - even number=Odd number

Hence , $x^2-5x-1$ is an odd number .

When x is negative odd number

Then x square is positive odd number and 5x is negative odd term term

Therefore,odd number + odd number -1=Even number -1=Odd number

Hence $x^2-5x-1$ is an odd number.

2.When x is an even number

When x is positive even number

x square is positive even number and 5x is positive even number

Even number -Even number -1 =Even number -odd number =Odd number

Suppose x=4

$x^2-5x-1$ =16-20-1=-5=Odd number

When x is negative even number

Then x square is positive even number and 5x is negative even number

$x^2-5x-1$ =Even number +Even number -1=Even number -1=Odd number

Hence, for all elements of Z $x^2-5x-1$ is odd.

7 0

3 years ago

Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans

Valentin [98]

Answer:

1. $2r+1.6b=10$

2. $r=5-0.8b$

3. $b=6.25-1.25r$

Step-by-step explanation:

<h3> The complete exercise is: "Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans and rice for a potluck dinner. Let b be the number of pounds of beans Lin buys and r be the number of pounds of rice she buys when she spends all her money on this meal.</h3><h3>1. Write an equation relating the two variables.</h3><h3>2. Rearrange the equation so "b" is the independent variable.</h3><h3>3. Rearrange the equation so "r" is the independent variable."</h3><h3 />

1. According to the information exercise given in the exercise, the cost per pounds of brown rice is $2. Since "r" represents the number of pounds of rice Lin buys, the total cost of the brown rice she buys can be represented with this expression:

$2r$