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kifflom [539]
3 years ago
5

Which expression is equivalent to (y - 3) -(-3y + 4)?

Mathematics
1 answer:
Andrej [43]3 years ago
6 0

Answer:

3y-+1

Step-by-step explanation:

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S varies directly as t. if s is 20 when t is 4 then t is ____ when s is 30
Oliga [24]

Answer:

6

Step-by-step explanation:

We are doing unit rate.

Unit rate is when you get the value for 1 of the variables. In this, we would want to get the value for t. We do\frac{20}{4}=5 to find the t value. Now we do \frac{30}{5}=6 to find the value of the missing t. T=6.

Hope it Helps!

5 0
3 years ago
Read 2 more answers
The slope of a line is 0 and it contains the point (3,1)
Sedaia [141]

Answer:

<h2>y = 1</h2>

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

<em>m</em><em> - slope</em>

<em>(x₁, y₁)</em><em> - point on a line</em>

We have <em>m = 0, (3, 1) → x₁ = 3, y₁ = 1</em>.

Substitute:

y-1=0(x-3)

y-1=0      <em>add 1 to both sides</em>

y=1

Other method.

If the slope is equal 0, then it's a horizontal line.

The equation of a horizontal line: <em>y = a</em>.

We have the point on a line (3, 1) → x = 3, y = 1.

Therefore the equation is <em>y = 1</em>.

3 0
3 years ago
The sum of two numbers is 13, the difference is 4. What are the numbers?
SSSSS [86.1K]

Answer:

8.5, 4.5

Step-by-step explanation:

3 0
3 years ago
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ann is grouping 38 rocks .she can put them into groups of 10 rocks or as single rocks. what are the different way Ann can group
Aleks [24]
Hello there. =)

<span>Ann is grouping 38 rocks .she can put them into groups of 10 rocks or as single rocks. what are the different way Ann can group the rocks?

</span><span>2 groups of 19</span>
6 0
3 years ago
Solve the system of equations
Nadya [2.5K]

So we have the equations:

    y - 4x = 2 --- equation 1

   5y - 2x = 1 --- equation 2

(equation 2) * 2

  10y - 4x = 2 --- equation 3

 

(equation 2) - (equation 3)

 -9y = 0   so y= 0 and thus x = -1/2

Hope that helps!

4 0
2 years ago
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