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Irina-Kira [14]
3 years ago
7

3x+3(x+y) what is equivalent

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer:

6x+3y

Step-by-step explanation:

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X-1=y what is the answer plz give me the answer
guajiro [1.7K]

Answer:

<h2>X = 0</h2><h2>Y = 1</h2>

First of all, observe that this is a line, since you can rewrite the equation as y−x+1=0 , which follows the pattern of the generic line ax+by+c=0 .

To draw a line you need two of its points, which you can connect.

To find two points, you can plug any value for one variable, and solve for the other.

For example, let's choose

x=0 . The equation becomes

0−1=y , and so y=−1 .

The first point is thus (0,−1).

Then, let's choose

x=1 . The equation becomes 1−1=y , and so y=0 . The first point is thus

(1,0).

Now you only need to draw the points

(0,−1)

Step-by-step explanation:

Hope it is helpful...

6 0
3 years ago
Which one of these is the identity for addition?<br> (A) -1<br> (B) 0<br> (C) 1
Blababa [14]

Answer:

c

Step-by-step explanation:

because 1 is also know as +1

3 0
2 years ago
A small source radiates an electromagnetic wave with a single frequency into vacuum, equally in all directions. As the wave move
vlabodo [156]

Answer:

a) Frequency remains constant

b) Wavelength remains constant

c) speed of the wave remains constant

d) Intensity decreases

e)  amplitude of its electric field decreases

Explanation:

a)  Frequency can be defined as the number of crests that pass a fixed point in the medium in unit time. It is the source of the wave that will determine the frequency. If the small source is changed to a bigger and faster one then the frequency will change. In our case, there is no change of source of wave, so the frequency remains constant.

b) The speed of of the wave is directly proportional to the wavelength. If we double the speed, the wavelength also doubles. Since the speed has not been doubled in our case, the wavelength will remain constant.

c) As indicated in b) since the wavelength is proportional to speed and it has not changed in our case, then the speed remains constant.

d) The intensity of a wave decreases as it moves further away from the source.

e) The intensity is related to the amplitude. Since the intensity decreases, the amplitude also decreases.

5 0
3 years ago
Reuben drove 260 miles using 12 gallons of gas. At this rate, how many gallons of gas would he need to drive miles
KATRIN_1 [288]

Answer:

286 miles / x gallons = 15miles per gallon.

286/15 = x = approximately 19.07 gallons.

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
If you are thankful for your family write a paragragh why you are thankful for your family:)
nata0808 [166]

Answer:I am thankful for my family because when i feel sad or down i can come to them and they always make me laugh especially my dad mom and cousins.The second reason i love and are thankful for my family is because,even in my darkest moments they help me and make me smile.My family has and always will be my light and joy,and the most awesome reason i am thankful for them,is because i get to love them with all of my heart.Thank You.<3

8 0
3 years ago
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