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Varvara68 [4.7K]
3 years ago
8

Can you do Nmb 1,2,3

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0
QUESTION 1:

2 -3 0.3 2/3 -1/4

For a start, everything to the power of 0 equals 1, so you can write 1 for everything in the top row.

Then, everything to the power of 1 equals itself, so for the 2nd row, write:
2, -3, 0.3, 2/3, -1/4

The rest of it is here:

2 ^ 2 = 4
2 ^3 = 8
2 ^4 = 16
2 ^5 = 32

-3 ^ 2 = -9
-3 ^ 3 = -27
-3 ^ 4 = -81
-3 ^ 5 = -243

0.3 ^ 2 = 0.09
0.3 ^ 3 = 0.027
0.3 ^ 4 = 0.0081
0.3 ^ 5 = 0.00243

2/3 ^ 2 = 0.22
2/3 ^ 3 = 0.074
2/3 ^ 4 = 0.025
2/3 ^ 5 = 0.008

(-1/4) ^ 2 = 0.0625
(-1/4) ^ 3 = (-0.016)
(-1/4) ^ 4 = 0.004
(-1/4) ^ 5 = (-0.00098)

Unfortunately I currently don't have time to help you on Questions 2 or 3, but I hope this helps! :)
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For a school play, 739 tickets valued at $857 were sold. Some cost $1 and others cost a $1.50. How many $1 tickets were sold?
balu736 [363]

Answer:

503 $1 tickets sold.

Step-by-step explanation:

Use two equations  

Let x = number of $1 tickets sold  

Let y = number of $1.50 tickets sold  

x + y = 739  

1x + (1.5)y = 857  

First equation ==> y = 739 - x  

Plug this into the second equation  

x + (1.5)(739 - x) = 857  

x + 1108.5 - 1.5x = 857  

- 0.5x = -251.5  

x = 503  

There were 503 $1 tickets sold.  

To find the number of $1.50 tickets, just plug this value of x into either one of the equations.  

(503) + y = 739       (739 - 503 = 236)

y = 236  

There were 236 $1.50 tickets sold.

3 0
3 years ago
All the number sets that apply to -4/5
Sophie [7]

-8/10,-12/15,-16/20,-20/25,-24/30,etc.

4 0
3 years ago
The function f(x) = –x2 − 2x + 15 is shown on the graph. What are the domain and range of the function?
Phantasy [73]

Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.

Domain: ( − ∞ , ∞ ) , { x | x ∈ R }

Range: ( − ∞ , 16 ] , { y | y ≤ 16 }

3 0
3 years ago
Please help quickly
Crank

Answer:25 m

Step-by-step explanation:

3 0
3 years ago
I need to collect 30 stickers. Each bag of crisps contains 3 stickers. How many bags will I need to buy?
soldier1979 [14.2K]
Hey there :)

Let p represent the number of bags to be bought

We need to collect 30 stickers and each bag has 3 stickers

                    3p                                =                        30
                      ↑                                                           ↑
Number of stickers in a bad       Number of stickers to be collected

\frac{3p}{3} = \frac{30}{3}
p = 10

We need to buy 10 bags of crisps to have 30 stickers


5 0
3 years ago
Read 2 more answers
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