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Gwar [14]
2 years ago
6

Use the law of exponets to rewrite (5x3)^7

Mathematics
1 answer:
topjm [15]2 years ago
7 0
Answer: 5^7 x 3^7
You could also write 15^7
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If tile costs $8.50 per square foot, how much does it cost per inch?
Sphinxa [80]

Answer:

$0.06 per square inch

Step-by-step explanation:

The question should be:

<em>"If tile costs $8.50 per square foot, how much does it cost per square inch?"</em>

<em />

To solve this, we basically need a conversion from feet to inches. BUT 2 times, since we are talking about "square feet" and "square inches".

We know 1 feet = 12 inches

Also, since we are going from square feet to square inches [big to small], we have to divide TWICE.

Thus, we will have:

\frac{8.5}{12*12}

We are dividing 8.5 (the cost) by 12, 2 times since we want square feet in square inches. The answer is:

\frac{8.5}{12*12}=0.06

So, tile costs $0.06 per square inch

6 0
3 years ago
Sandra is a real estate agent and rams 5000 commission on the selling of a 62,000 house. what is the percent of commission she r
sveta [45]
To find a percent, you use this simple formula:
5000/62000 = x/100

In this case, x is going to be your percent of commission.

So, to find this, you first divide 5000 by 62000, which is about equal to 0.08.

Now your equation looks like this:
0.08 = x/100

Next, you multiply both sides by 100 to reverse the operation. Now, your equation will look like this:

8 = x

So, the answer is 8%.
8 0
2 years ago
It took you 6.5 h to drive 550 km. what was your average speed?
strojnjashka [21]
Average speed = Total distance/Time

A = 550km/6.5hr

A = 84.6 km per hr
5 0
3 years ago
Read 2 more answers
Which graph represents the function of f(x)= (4x^2-4x-8)/(2x+2)
g100num [7]

Answer:

<h2>graph <em><u>representing</u></em><em><u> </u></em><em><u>:</u></em><em><u>on</u></em><em><u> </u></em><em><u>then</u></em><em><u>.</u></em><em><u>line</u></em><em><u> </u></em><em><u>also</u></em><em><u> </u></em></h2>
6 0
3 years ago
Read 2 more answers
An expression is shown below
Leno4ka [110]

Answer:

B) It is irrational and equal to = 4\sqrt{2}

Step-by-step explanation:

The expression, \sqrt{18} + \sqrt{2} , is an irrational expression because it contains two irrational numbers, \sqrt{18} and \sqrt{2} . Both number are not perfect square. there is no whole number that would be squared that will give you 18 nor 2.

The expression can be equals the following:

\sqrt{18} + \sqrt{2}

= \sqrt{9*2} + \sqrt{2}

= \sqrt{9}*\sqrt{2} + \sqrt{2}

= 3\sqrt{2} + \sqrt{2}

= 4\sqrt{2}

4 0
3 years ago
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