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defon
4 years ago
5

PLZ PLZ HALP

Mathematics
1 answer:
Kipish [7]4 years ago
8 0
A) 3.
B) 1.
C) 6.
D) 2.
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Balance the following redox reaction by ion electron method.<br><br>I2+ HNO3 = HI03+ NO2+ H20​
Ad libitum [116K]

Answer:

BRO I DONT KNOW SORY I NEED POINTS

Step-by-step explanation:

7 0
3 years ago
Yallllll pls help mee plsssssssssssssssssssssssss
elixir [45]
A- Veronica —> v=5+2m
Total —> v+m=32

B- since you already know that to get veronica’s number of stuffed animals, you need to use v=5+2m, you need to substitute it in the total equation. So it’ll be:

(5+2m)+m=32

(5+2m) represents veronica’s stuffed animals
m represents Mariposa’s stuffed animals


C- Mariposa —> 9
Veronica —> 23
3 0
3 years ago
Find the seventh term of the geometric sequence 1, 2, 4, ... and the sum of the first seven terms. t7= S7=
IrinaK [193]

Answer:

Seventh term is 64

Sum of the first seven terms is 127

Step-by-step explanation:

The common ratio is 2

a_{n}  = a_{1} r^{n - 1}    

n = 7 and the first term is 1.  So,

a_{7}  =  1(2^{7 - 1} )  = 2^{6} = 64

Seventh term is 64

S_{n}  =  \frac{a_{1} (r^{n} -1)}{r - 1}

S_{7} = \frac{1(2^{7} -1)}{2 - 1}

    = \frac{128 - 1}{1} = 127

Sum of the first seven terms is 127

8 0
3 years ago
can someone please help me. my grade is very low in this class although i have no idea how to do this PLEASE HELP!!
kondor19780726 [428]

Answer:

download symbolab or download photo math it gets I covered on most of that your grade should go up

3 0
3 years ago
Read 2 more answers
Howard Earned a total of 12$ by selling 8 cups of lemonade. How many ups of lemonade does Howard need to sell in all to earn 21$
masha68 [24]

Answer:

Step-by-step explanation:

(12 dollars)/(8 cups) = (12/8 dollars)/cup = (1.5 dollars)/cup

21 dollars × (1 cup)/(1.5 dollars) = 21/1.5 cups = 14 cups

4 0
3 years ago
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