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BabaBlast [244]
3 years ago
13

All of the following ways of writing 3^2 divided 3^3

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0
Do they want the answer as a fraction or decimal
You might be interested in
Linear equations by substitution <br> 2x-3y=24<br> 2x+y=4
NISA [10]

Answer:

x = 4.5

y = -5

Step-by-step explanation:

2x - 3y = 24                   2x + y = 4

                                      y = -2x + 4

2x - 3(-2x + 4) = 24        y = -2(4.5) + 4

2x - (-6x + 12) = 24         y = -9 + 4

2x + 6x - 12 = 24            y = -5

8x - 12 = 24

8x = 36

x = 4.5

3 0
3 years ago
Read 2 more answers
Find the value of this expression if x = -2 and<br> y = 4.<br> ху<br> 3
Evgen [1.6K]

Answer:-8/3

Step-by-step explanation:

given xy/3

putting vales of x and y

(-2)(4)/3

-8/3

5 0
3 years ago
Calculate cos(480°) and sin(480°).
hram777 [196]

Answer:

\cos(480^\circ)=-\dfrac{1}{2}

\sin(480^\circ)=\dfrac{\sqrt{3}}{2}

Step-by-step explanation:

Calculate the value of trigonometry function.

\cos(480^\circ) and \sin(480^\circ)

Split the angle between 0 to 90° using trigonometry formula.

\Rightarrow \cos(360^\circ+120^\circ)  

\Rightarrow \cos(120^\circ)                \because \cos(360+\theta)=\cos\theta

\Rightarrow \cos(180^\circ-60^\circ)             \because 120=180-60

\Rightarrow -\cos(60^\circ)                       \because \cos(180-\theta)=-\cos\theta

\Rightarrow -\dfrac{1}{2}

Therefore, cos(480°) = -0.5

\Rightarrow \sin(360^\circ+120^\circ)  

\Rightarrow \sin(120^\circ)                \because \sin(360+\theta)=\sin\theta

\Rightarrow \sin(180^\circ-60^\circ)             \because 120=180-60

\Rightarrow \sin(60^\circ)                       \because \sin(180-\theta)=\sin\theta

\Rightarrow \dfrac{\sqrt{3}}{2}

Therefore, sin(480°) = 0.866

7 0
4 years ago
Please help I need the answer with the explanation now<br>Thank you:)​
gogolik [260]

Answer:

1) x+2x+x+3 = 23

4x+3=23

4x=20

x=5

2) a_ radius × radius × pi = the area

4×4×3= 48

b_ diameter × pi= the circumfrence

8×3 = 24

3) a) 34_10=24

24÷3=8

b) _24_(_48)= 24

4) a) 2x=9_5

2x=4 => x=2

b)X/3 =12

x= 36

5) x. _2.

y. 3_(_2)=5

x. 0

y. 3_0=3

x. 3

y. 3_3=0

i put them here too

5 0
2 years ago
The sum of the ages of Mr Lee and his son is 53 now. 4 years ago, the age of Mr Lee was 4 times that of his son. Find their ages
zepelin [54]

Answer:

Now, Mr Lee's age is 40 years, his son's age is 13 years.

Step-by-step explanation:

<u>4 years ago:</u>

Son's age = x years

Mr. Lee age = 4x years

<u>Now:</u>

Son's age = x + 4 years

Mr. Lee age = 4x + 4 years

The sum of the ages of Mr Lee and his son is 53 now, so

x+4+4x+4=53\\ \\x+4x=53-4-4\\ \\5x=53-8\\ \\5x=45\\ \\x=9\\ \\4x=36\\ \\x+4=9+4=13\\ \\4x+4=36+4=40

Now, Mr Lee's age is 40 years, his son's age is 13 years.

3 0
4 years ago
Read 2 more answers
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