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lilavasa [31]
3 years ago
5

Simplify

2 - 3x}{6x - 45x^2}" alt="\frac{9x^2 - 3x}{6x - 45x^2}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
GREYUIT [131]3 years ago
6 0

There are multiple ways of going about this, but what I find easiest for a problem like this is to find the GCF of all the terms.

The GCF of 9x^2,-3x,6x,-45x^2 is 3x.

Meaning that we can take out 3x out of all the terms and still be left with the simplest, yet equivalent for of the expression.

\frac{2x-1}{2-15x}

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For each shape, write an algebraic expression for its perimeter - part A and B
nikitadnepr [17]

Answer:

a)  p + q + r

b)  2(a + b)

Step-by-step explanation:

The perimeter of a two-dimensional shape is the <u>distance</u> all the way around the outside.

An algebraic expression contains one or more numbers, variables, and arithmetic operations.

A variable is a symbol (usually a letter) that represents an unknown numerical value in an equation or expression.

<u>Question (a)</u>

The length of each side of the triangle is labeled p, q and r.  Therefore, the perimeter is the sum of the sides:

Perimeter = p + q + r

So the algebraic expression for the perimeter of the triangle is:

p + q + r

<u>Question (b)</u>

Not all of the sides of the shape have been labeled.  

However, note that the horizontal length labeled "a" is equal to the sum of "c" and the horizontal length with no label.

Similarly, note that the vertical length labeled "b" is equal to the sum of "d" and the vertical length with no label.

Therefore, the perimeter is twice the sum of a and b:

Perimeter = 2(a + b)

So the algebraic expression for the perimeter of the shape is:

2(a + b)

5 0
1 year ago
A total of 430 tickets were sold for the school play . They were either adult tickets or student tickets . There were 70 fewer s
Maurinko [17]
So first we assume that half is adult and have is student.

So
215 adult  215 student

Now since it said they were 70 less student tickets than adult tickets we subtract 70.
215 - 70 = 145

Now we add the 70 we subtracted from student tickets to the adult tickets.
215 + 70 = 285

So there were 
285 adult tickets sold and 145 student tickets sold

I hope this helped. Have a great day!
6 0
3 years ago
Help me plz !!!!!!!!!!​
kiruha [24]

Answer:

The answer is b. 72.3cm

Step-by-step explanation:

11.5cm is the radius

To find the circumference multiply the radius by 2 then multiply it again by 3.14

3.14 is the beginning of pi.

e.g - 2 × 3.14 x 11.5

5 0
3 years ago
Read 2 more answers
Combine like terms. 3m - 6 + m to the 2nd power - 5m + 1
romanna [79]
Your answer would be if i'm correct
M^2-8m-7

If not that one
M^2+8m+7
4 0
3 years ago
Given the following exponential function, identify whether the change represents growth or decay , and determine the percentage
jenyasd209 [6]

Answer:

It is growth and the percentage rate of increase is 7.5%

Step-by-step explanation:

The exponential equation is as follows;

y = 550(1.075)^x

Now, I can identify that the exponential equation is that of growth.

This is because what is in the bracket i.e can be represented as 1+ 0.075

The 0.075 represents the margin of increase as we move on from one value to another

The percentage rate can be gotten by expressing 0.075 as a percentage

That would be expressing is as a fraction

This is just 7.5/100 which means what we have is 7.5%

8 0
3 years ago
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