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3 years ago

7

The number y of cups of flour used to make x loaves of bread is represented by the equation y=3x. Graph the equation. what are t

he points?

1 answer:

FromTheMoon [43]3 years ago

5 0

(-1,-3) , (-0.5,-1.5) , (0,0) , (0.5, 1.5) , (1,3)

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Y+2x=-1 y= 1/2x+4 value of x

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X=2

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3 years ago

Write and solve a system of equations. Be sure to label the variables. The sum of two numbers is twelve. Two times the first num

adoni [48]

The solution to the system of equations is x = 8, y = 4.

<h3>How to write the system of equations?</h3>

First, let's define our variables as x and y.

"the sum of two numbers is twelve" is written as:

x + y = 12

"two times the first number minus three times the second number is four" is written as:

2x - 3y = 4

Then the system of equations is:

x + y = 12

2x - 3y = 4

<h3>How to solve it?</h3>

First, we isolate one of the variables in one equation, I will isolate x on the first one to get:

x = 12 - y

Now we replace this on the other equation, so we get:

2*(12 - y) - 3y = 4

Now we can solve this for y.

24 - 2y - 3y = 4

24 - 5y = 4

24 - 4 = 5y

20/5 = y = 4

Now we know the value of y, and:

x = 12 - y = 12 - 4 = 8

Then the solution of the system is:

x = 8, y = 4.

If you want to learn more about systems of equations, you can read:

brainly.com/question/13729904

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2 years ago

Given the following diagram, find the missing measure. m 4 = 2x°, m 2 = (4/3)x°, m 3 = 20°, find x. 10 30 20 60

Pepsi [2]

Answer:

<em>B. 30 degrees</em>

Step-by-step explanation:

Find the diagram attached

From the diagram:

Interior angles are m<3 and m<2

Exterior angle = <4

using the rule that says that the sum of interior angles is equal to the exterior angle we have:

m<2+m<3 = m<4

(4/3)x°+20 = 2x°

multiply through by 3:

4x° + 60 = 6x°

4x°-6x° = -60

-2x° = -60

x°= -60/-2

<em>x° = 30°</em>

Hence the value of x is 30 degrees

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3 years ago

Thomas walks his dog for 25 minutes today, 5 more minutes than yesterday. Express as a percent his walking time today compared t

Irina-Kira [14]

Answer:

A: 125%

Step-by-step explanation:

if thomas had walked his dog for 25 minutes today, and he walked an extra 5 minutes compared to yesterday, then that would mean he walked his dog 25% more than yesterday (yesterday being 100%) so therefore it would be 125%

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3 years ago

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Yes, they started with equal expressions.

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3 years ago