3 years ago

Enter the correct answer in the box. Simplify this expression.

Mathematics

1 answer:

kap26 [50]3 years ago

7 0

Answer:

$4^6$

Step-by-step explanation:

$4^9 \div 4^3$

Apply the law of exponents.

$=4^{9-3}$

$=4^6$

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Whats the length of the short side?

anzhelika [568]

Call the short side x. We have

tan 72° = opposite/adjacent = (12.8 cm) / x

x = 12.8 / tan 72° = 12.8/(3.01) = 4.158...

Answer: 4.2 cm

3 0

3 years ago

How do you get the number 24 with the numbers 2,6,4,1

elena55 [62]

Answer:

(2+6)*(4-1) = 24

(2-1)*(6*4) = 24

(2-1)*6*4 = 24

(2-1)*(4*6) = 24

(2-1)*4*6 = 24

(6+2)*(4-1) = 24

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3 0

3 years ago

2(4x-1)+3=7<br> i'm little confused on this

Ratling [72]

Answer:

x = $\frac{3}{4}$

Step-by-step explanation:

Since you cannot subtract -1 from 4x, you multiply 2 × 4x = 8x

Now, you have 8x - 1 + 3 = 7

Seperate the 8x from the other numbers

8x = 1 - 3 + 7 ---> 6

8x = 6

Now simplify

x = $\frac{6}{8}$ <----- to reduce, divide the numerator and denominator by 2

Hence,

x = $\frac{3}{4}$

4 0

3 years ago

Change this into decimal step by step plz

nika2105 [10]

Answer:

2.6

Step-by-step explanation:

3/5 ---> ?/100

100/5 ---> 20

3 20 60

-- x = -------

5 20 100

60/100 = 6/10

6/10 as a decimal is 0.6

2 + 0.6

= 2.6

<h2>Hope this helps!!</h2>

7 0

3 years ago

PLEASE HELP ASAP! THANK YOU LOTS! <3

den301095 [7]

Answer:

Step-by-step explanation:

12 divided by 3 is 4 and 30 divided by 3 is 10

6 0

3 years ago

Read 2 more answers