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goldfiish [28.3K]
3 years ago
12

Please help meeeeee simplify the expression

Mathematics
1 answer:
inessss [21]3 years ago
5 0

Answer:

y^6, 12n^6, 20x^9

Step-by-step explanation:

When you multiply like variables with each other, you add their powers together.

So...

1.   (y^2)(y)(y^3)\\y^{2+1+3} \\y^6

2.  (3n^2)(4n^4)\\12n^{2+4}\\12n^6

3.  (5x^4)(4x^5)\\20x^{4+5}\\20x^9

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The equation x squared + y squared = r squared
WITCHER [35]
(5-0)^2+(-2+0)^2=r^2\\
25+4=r^2\\
29=r^2\\\\
\boxed{x^2+y^2=\sqrt{29}}
5 0
2 years ago
A hardware store rents vacuum cleaners that customers may use for part or all of a day, before returning. The store charges a fl
Vsevolod [243]

Answer:

Total rental cost is:

y = Bx + M

where x is number of additional hours, y is total cost, M is fixed fee, and B are  is amount that is charged per hour.

Step-by-step explanation:

Let amount of flat fee = M

let hourly rate = B

Total rental cost = ?

As given the store charges a flat fee plus an hourly rate:

                                      ⇒    y = Bx + M

where x is number of additional hours, y is total cost, M is fixed fee, and B are  is amount that is charged per hour.

5 0
3 years ago
Please help I will mark brainlist if correct
MakcuM [25]

The admission fee at a fair is $2.00 for children and $4.00 for adults.

On Saturday 2,500 people entered the fair and $7,000.00 were collected.

How many children and how many adults attended? Give your answer, using x for children, y for adults.

Form of: x =, and y =

 

Let K = no. of children

Let A = no. of adults

 

2500 people mean

Kids + Adults

 

K + A = 2500

K = 2500 – A

 

2K + 4A = 7000

K + 2A = 3500

 

(2500 – A) + 2A = 3500

A = 3500 – 2500

(A = 1000, adults)

 

K = 2500 – A

K = 2500 -1000

(K = 1500, Kids)

 

CHECK:

1500*2 = $3000

1000*4 = $4000

<span>(Total = $7000, people.). </span>

<span>
</span>

<span>Hope this helps:</span>

6 0
3 years ago
What is the square root of 799300
asambeis [7]

Answer:

894.035793467 or roughly 894

Step-by-step explanation:

I square rooted it by using a calculator, and by working it out on paper.

5 0
2 years ago
Read 2 more answers
Drag each tile to the correct box. Order the expressions from least value to greatest value. ​
wel

Answer:

\frac{5}{-1.6}

Step-by-step explanation:

We will solve the given expressions and find the answer in decimals.

1). 5\frac{6}{15}+(-2\frac{4}{5}) = 5\frac{2}{5}-2\frac{4}{5}

                   = 5.4 - 2.8

                   = 2.6

2). -3\frac{3}{10}-(-\frac{7}{20})=-3\frac{3}{10}+\frac{7}{20}

                           = -3.3 + 0.35

                           = -2.95

3). \frac{5}{-1.6}=-\frac{5}{1.6}

      = -3.125

4). (-4.5) × (-2.3) = 10.35

Solution of the expressions in the increasing order will be,

-3.125 < -2.95 < 2.6 < 10.35

\frac{5}{-1.6}

5 0
3 years ago
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