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atroni [7]
3 years ago
15

Remove the parentheses and simplify the expression 3(2x+3)-6

Mathematics
2 answers:
astra-53 [7]3 years ago
7 0
First multiple everything in the parentheses by
3
3 (2x+3)-6=
3(2x)+3(3)-6=
6x+9-6
then add together like terms
6x+9-6=
6x+3
so 6x+3 is your answer
kirza4 [7]3 years ago
4 0
3(2x+3)-6
6x+9-6 = 6x+3 
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What value of x is line a parallel to line b?
Aliun [14]

Answer:

x=15

Step-by-step explanation:

the angle 7x+12 and 63 are on opposite sides of complimentary, meaning they add to 180.

180-63 = 117

117-12 = 105

105/7 = 15

8 0
3 years ago
Question: Tell whether each function is linear or non-linear.
grandymaker [24]

Just to avoid some confusion: <u>the first picture is a graph of function A, and the second picture is a graph of function B. </u>

Answer:

D. Function A is non-linear and Function B is linear.

Step-by-step explanation:

A good way to find out if a function is linear is by graphing it. If you graph it and it is a straight line, then it is linear.

So, let's graph the given points from the table of Function A and see if it forms a straight line. When you connect the dots, it's not straight, so Function A is non-linear.

Now let's look at function B. We can graph that too with the given information from the equation - the slope is -1 and the y-intercept is 5. (If you are a bit confused on how to graph it, don't hesitate to ask!) It does form a straight line, so Function B is linear.

5 0
3 years ago
It’s solution in step by step explanation pls help
Pavel [41]

Answer:

6) x^2 -4x+1

7)   26x-1y +4z

Step-by-step explanation:

long division

       

      ____x^{2}__-4x__+1____

x-2 | x^3-6x^2+9x-2

  -    x^3-2x^2<u />

       -----------

             -4x^2+9x

             -4x^2+8x

        ----------------

                x-2

                x-2  

4 0
3 years ago
3/4x + 1/6= 7/8<br> Find X<br> I don’t know what to multiply it by
bazaltina [42]

1/6 x 4= 4/24=0.166

3/4 x 6= 18/24=0.75

7/8 x 3=21/24=0.875

0.875-0.75=0.125

0.125/0.17=0.74

5 0
3 years ago
Read 2 more answers
.) A florist wishes to make bouquets of mixed spring flowers. Each bouquet is to be made up of tulips at $10 a bunch and daffodi
LekaFEV [45]

We have the following:

1.

let x a tulips

let y daffodils

therefore:

\begin{gathered} x+y=15\rightarrow x=15-y \\ 10x+7y=(x+y)8\rightarrow10x+7y=120 \end{gathered}

solving:

\begin{gathered} 10\cdot(15-y)+7y=120 \\ 150-10y+7y=120 \\ 10y-7y=150-120 \\ 3y=30 \\ y=\frac{30}{3}=10 \end{gathered}

for x:

x=15-10=5

Therefore, the answer is 5 tulips and 10 daffodils

2.

let x a 30% silver

let y a 55% silver

\begin{gathered} x+y=800\rightarrow x=800-y \\ 30x+55y=40\cdot(x+y)\rightarrow30x+55y=32000 \end{gathered}

solving:

\begin{gathered} 30\cdot(800-y)+55y=32000 \\ 24000-30y+55y=32000 \\ 25y=32000-24000 \\ y=\frac{8000}{25} \\ y=320 \end{gathered}

for x:

x=800-320=480

Therefore, the answer is 480 pounds of 30% silver and 320 pounds of 55% silver

3 0
1 year ago
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