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SOVA2 [1]
1 year ago
7

Please help will mark Brainly

Mathematics
1 answer:
SIZIF [17.4K]1 year ago
7 0

The solutions of the equation 3x - y = 1 are (-2,-7),(-1,-4) and (3,8) thus option (A),(B) and (D) are correct.

<h3>What is the equation?</h3>

There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

In another word, the equation must be constrained with some constraints.

As per the given equation,

3x - y = 1

Substitute, x = -2

3(-2) - y = 1

y = -7 thus  (-2,-7) satisfied.

Similarly (-1,-4) and (3,8) are also satisfied.

Hence "The solutions of the equation 3x - y = 1 are (-2,-7),(-1,-4) and (3,8)".

For more about the equation,

brainly.com/question/10413253

#SPJ1

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I could use some help on this​
Slav-nsk [51]

Answer:

A

Step-by-step explanation:

The length of CD represents the distance between the points C and D. Counting the points between them, if we start from point D, we need to get through points 1, 2, and 3 to get to C. That is 3 units, or A

5 0
3 years ago
Find the missing of the triangle Round to the nearest tenth
inessss [21]

Answer:

Step-by-step explanation:

This is a 30°-60°-90° triangle, so its sides are in the ratio 1:√3:2

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x is opposite the 60° angle, so its length is 5.5√3 ≅ 9.5 units

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3 years ago
A stereo normally priced at $399 is on sale for 15% off. Find the discount and the sale price.
ankoles [38]
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5 0
3 years ago
How do you do linear equations?
PilotLPTM [1.2K]
To do linear equations, basically, just imagine it with an equals sign. It is pretty much the same as normal algebra, so it's not too confusing.

An example of a linear equation is 3x - 7 = 11
with this, your objective is to get 'x' on its own and to do this, do inverse operations (the opposite to what is actually done) 
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So do this for both sides to give you

3x = 18
Yeah?

Now you must get 'x' on its own. It currently has 3 x's at the moment, so you must divide it by 3 to give you one 'x'. A rule with these - what you do to one side you must do to the other.
So this means that if you divide 3x by 3, you must divide 18 by 3.

This leaves you with x = 6.

5 0
3 years ago
Hi, please help me<br><br>c - 4d =<br><br>C= 10<br>D=2<br><br>It's algebra​
Inessa [10]

Answer:

All you do is replace the variable with the numbers given to replace them.

So your new equation is 10-4(2) this was given to you C=10 , D=2

Okay, let's solve it 10-4(2)

4*2 equals 8 so now it's 10-8

10-8

<h2>=<em> 2</em></h2>

7 0
3 years ago
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