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lord [1]
3 years ago
11

Xˆ8 ÷ xˆ2 fully factorised

Mathematics
2 answers:
Ksivusya [100]3 years ago
3 0

Answer:

Step-by-step explanation:

x^8/x^2= x^{8-2}= x^6

when you divide same base and different powers, you subtract the powers

Yuki888 [10]3 years ago
3 0

Answer:

Step-by-step explanation:

There are 2 ways that you can do this problem. The first is just to factor everything and cancel.

x * x * x * x *x * x *x *x

====================

x * x

Two of the xs on the top cancel leaving you with the number 1 on the bottom

x * x * x * x * x * x = x^6

This is one of your answers.

The other is you can notice you get the same thing by subtracting powers.

x^(8 - 2) = x^6

I'm not sure which answer is expected. I would guess the second one.

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A high rise apartment building has 15 floors with 26 apartments on each floor.There are 3 kinds of apartments in the building: 1
konstantin123 [22]

Answer:

The number of each kind of apartment in the building is 130  .

Step-by-step explanation:

Given as :

The total number of floor in a building = 15

The number of apartment on each floor = 26

So, The total number of apartment = 26 × 15 = 390

The number of kinds of apartment in the building is 3 ,  i.e 1-bedroom ,               2-bedroom , 3-bedroom

Let The number of each kind of apartment in building = x

So, According to question

The number of each kind of building = \dfrac{\textrm Total number of apartment }{number of kinds of apartment}

or, x = \frac{390}{3}

∴   x = 130

Hence The number of each kind of apartment in the building is 130  . Answer

3 0
2 years ago
In ΔEFG, the measure of ∠G=90°, the measure of ∠E=6°, and GE = 71 feet. Find the length of EF to the nearest tenth of a foot.
djyliett [7]

Answer:68.2

Step-by-step explanation:

cos6=71/EF

cos6= 0.960170286650366

0.960170286650366= 71/EF

0.960170286650366*71=EF

EF= 68.2

3 0
3 years ago
Read 2 more answers
The following table is a function.<br> х -1 5 7 2 6 3 8 4 1 y -3 3 7 -4 5 9 7 1 0
Kruka [31]

Answer:false

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The product of 2 more than 3 times a number and 6 less than 4 times the number (z)
Rom4ik [11]

Answer:

12z^{2} -10z -12

Step-by-step explanation:

Let the number be z

2 more than 3 times z ==> 3z + 2

6 less than 4 times z ==> 4z - 6

Product of the above two is
(3z + 2) (4z - 6) \\= (3z)(4z) + (3z)(-6) + (4z)(2) + (2)(-6)\\= 12z^{2} -18z + 8z - 12\\= 12z^{2} -10z -12

7 0
1 year ago
What is 21 1/4% expressed as a fraction?
Neporo4naja [7]

Answer:

\frac{17}{80}

Step-by-step explanation:

we have

21\frac{1}{4}\%

Convert mixed number to an improper fraction

21\frac{1}{4}=21+\frac{1}{4}=\frac{21*4+1}{4}=\frac{85}{4}

so

21\frac{1}{4}\%=\frac{85}{4}\%

Convert percent number as a fraction

\frac{85}{4}\%=\frac{85}{4}:100=\frac{85}{4*100}=\frac{85}{400}

Simplify

Divide by 5 both numerator and denominator

\frac{17}{80}

8 0
2 years ago
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