MATHEMATICS HIGH SCHOOL

(1 \ (7)/(9) ) { }^{ - (3)/(2) }work it out
with the steps
if your good at maths ​

Answers

Answer 1
Answer:

Answer:

2.370

Step-by-step explanation:

(1 (7)/(9) ) ^{ (3)/(2) } \n ( (16)/(9) ) ^{ (3)/(2) } \n ( \frac{ {2}^(4) }{ {3}^(2) } ) ^{ (3)/(2) } \n {2}^{4 * (3)/(2) } / {3}^{2 * (3)/(2) } \n {2}^(6) / {3}^(3) \n (64)/(27) \n 2.370

Hope this helps you.

Let me know if you have any other questions :-):-)
Answer 2
Answer:

Answer:

2.37037

Step-by-step explanation:

\left(1\cfrac{7}{9}\right)^{\cfrac{3}{2}}

Multiply 1 and 9 = 9

\left(\cfrac{9+7}{9}\right)^{\cfrac{3}{2}}

Add 9 and 7 = 16

\left(\cfrac{16}{9}\right)^{\cfrac{3}{2}}

Now, Calculate 16/0 to the power of 3/2 =

\cfrac{64}{27}

Factor:

\cfrac{2^6}{3^3}=2\cfrac{10}{27}

\approx 2.37037

_______________________

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I'm having a hard time with this one solve for y 3y+7=28?

Determine whether each sequence is arithmetic or geometric. Sequence 1: –10, 20, –40, 80, ... Sequence 2: 15, –5, –25, –45, ...A. Sequence 1 is arithmetic and Sequence 2 is geometric.

B. Both sequences are geometric.

C. Sequence 2 is arithmetic and Sequence 1 is geometric.

D. Both sequences are arithmetic.

sequence 2 may be arithmetic because -20 but I can't find out what sequence 1 is

Answers

Hello,

Answer C

-10,20,-40,80,...u_(n+1)=(-2)*u_(n). is geometric

15,-5,-25,-45...u_(n+1)=u_(n)-20. is arithmetic

Answer:

C. Sequence 2 is arithmetic and Sequence 1 is geometric.

Step-by-step explanation:

Ray is purchasing a laptop that is on sale for 25% off. He knows the function that represents the sale price of his laptop is c(p) = 0.75p, where p is the original price of the laptop. He also knows he has to pay 8% sale's tax on the laptop. The price of the laptop with tax is f(c) = 1.08c, where c is the sale price of the laptop.Determine the composite function that can be used to calculate the final price of Ray's laptop by solving for f[c(p)].
f[c(p)] = 1.83p
f[c(p)] = 1.83cp
f[c(p)] = 0.81p
f[c(p)] = 0.81cp

Answers

Answer: f(c(p))=0.81p

Step-by-step explanation:

Given: Ray is purchasing a laptop that is on sale for 25% off.

The function that represents the sale price of his laptop is c(p) = 0.75p, where p is the original price of the laptop.

The percent of tax on laptop=  8%

The price of the laptop with tax is f(c) = 1.08c, where c is the sale price of the laptop.

The composite function that can be used to calculate the final price of Ray's laptop will be:-

f(c(p))=1.08(0.75p)\n\n\Rightarrow\ f(c(p))=1.08*0.75p\n\n\Rightarrow\ f(c(p))=0.81p
Given:
c(p) = 0.75p
f(c) = 1.08c

f[c(p)] = 1.08*0.75p
f[c(p)] = 0.81p  The 3rd option is my answer.

What is the inverse of division

Answers

The inverse operation of division is multiplication.

Find the solution to the system of 5x+2y=-24 x-y=5

Answers

So to do this, we have to get rid of one of the variables by adding or subtracting the two equations together.
I will get rid of y. So, we can multiply the second equation by 2. This gives us
2x-2y=10
Now, we can add both equations
This gives us 7x=-14
Therefore, x = -2
Plug that into another equation.
-10 + 2y=-24
Therefore, y = -7

Hope this helped!! :D
5x + 2y = -24 ⇒ 5x + 2y = -24
1x -  1y =    5 ⇒ 2x -  2y =  10
                                  7x = -14
                                   7       7
                                     x = -2
                                x - y = 5
                              -2 - y = 5
                            + 2       + 2
                                   -y = 7
                                   -1   -1
                                     y = -7
                               (x, y) = (-2, -7)

Edith spends 8 hours a day working in her office and 1 hour in the office taking lunch. She wrote this equation to represent the total time she spends in the office in one day.t = 8 + 1

Edith works 5 days a week.

Which equation would represent the total time Edith spends in the office in one week?

A.
t = (5 • 8) + 1

B.
t = 5 • (8 + 1)

C.
t = 8 + (5 • 1)

D.
t = 5 + (8 + 1)

Answers

B is the best. Because she works 8+1 hours 5 times :) hope this helps

The ending time is 10:08 and the elapsed time is 30 minutes what is the starting tome

Answers

Wouldn't you just count back 30 minutes from 10:08?
If you round up to 10:10, it's a little easier. Picture an analog clock in your head. Every big number is five minutes, and every two is ten minutes. If we put it back to the 12, that's ten minutes back. Twenty minutes earlier from that would be 9:40. Since we added two minutes to make it easier, we've got to subtract those two minutes. So, the starting time would be 9:38.
I hope this isn't too confusing.
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