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o-na [289]
3 years ago
14

Simplify fully, does anyone know ?

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m - n)} , then

(a)

\frac{x^{7} }{x^{3} } = x^{(7-3)} = x^{4}

(b)

\frac{y^{5} }{y^{4} } = y^{(5-4)} = y^{1} = y

Julli [10]3 years ago
6 0

Here's an explanation! :)

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Help pls reallyyyyyyyyyyyyyyyyyy
Ivan

Answer:

10

Step-by-step explanation:

j=6

k=4

Rewrite the equation. So let's do that-

2.5(6*4)/6

6 and the other 6 cancel out so we are left with 2.5*4

Which is then equal to 10.

By the way, whenever you see the same number in a division problem on the numerator and denominator, just cancel them out because if you still did 2.5(6*4)/6, you would still get 10. I was just simplifying it!

5 0
3 years ago
How do I solve:<br><br>6x^2 -x-12=0<br><br>^2 means squared by the way!
kompoz [17]
X=3/2 or 1/2 I think that
4 0
3 years ago
What is the answer?​
Mrrafil [7]

Answer:

53°

Step-by-step explanation:

The angle that measures 143 is vertical to the right angle and the ? angle.

Vertical angles have the same measure. <? + <90 = <143

So do 143 - 90 = 53

So the ? angle = 53

Hope this helps ya!!

6 0
3 years ago
George would like to build a garden this year, George measure out his proposed garden and would like to know how many square fee
Blababa [14]

Answer:

The area is 105.5ft^2

Step-by-step explanation:

Required

The area of the composite figure

The figure can be divided to 2 shapes

(1) Rectangle: Length = 6ft and Width = 8ft

(2) Trapezoid: Height = 5ft (i.e. 8 - 3), Parallel sides = 9ft and 14ft (i.e. 20 - 6)

The area of the rectangle is:

Area = 6 * 8 = 48

The area of the trapezoid is:

Area = \frac{1}{2}(9 + 14) * 5

Area = \frac{1}{2}(23) * 5

Area = 11.5 * 5

Area = 57.5

So, the area of the garden is:

Total = 48 + 57.5

Total = 105.5

5 0
3 years ago
. (1 pt) A store sold 330 yards of fabric. It charged $11 a yard. What is the total cost of the fabric?
stellarik [79]
Hey there

So 330/11=30
<span>so the total cost is 30 $</span>
3 0
3 years ago
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