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Alexxandr [17]
3 years ago
8

12^1/2(2^1/2+3^1/2)(2^1/2-3^1/2)

Mathematics
2 answers:
krek1111 [17]3 years ago
4 0
I don’t understand where is the equation
beks73 [17]3 years ago
3 0

Answer: -7.5

Step-by-step explanation:

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At a cafe, for every 5 sodas sold there are 9 teas sold. What is the ratio of teas sold to sodas sold? A) 5 : 9 B) 9 : 5 C) 9 :
frutty [35]
For 5 sodas sold, there are 9 teas sold


the ratio is tea: soda, or 9:5

B) 9:5 is your answer

hope this helps
7 0
3 years ago
Read 2 more answers
Solve for k:<br> 310 – (30 x 7) = 5 x k
tester [92]

Answer:

k=20

Step-by-step explanation:

ph*tomath (the app) is your friend btw because this would be really easy to solve using that but

solve for k:

simplify the left side as 310-210 then =100

so 100=5k

divide by 5 and k=20

7 0
3 years ago
Someone help me pls i will give brainlist<br><br><br><br> write only answers
goldenfox [79]

I hope it's clear enough.

7 0
3 years ago
The cost, C dollars, of hiring a taxi is given by the formula C=2.00+320n, where n is the number of tenths of a mile driven. Wha
Ainat [17]

Answer:

$14.80

Step-by-step explanation:

I'm assuming you meant to put 3.20 since $320 a mile would be ridiculous.

C(n)=2.00+3.20n

If n = 4 miles we have:

C(4)=2+3.20(4)

C(4)=2+12.80

C(4)=14.80

So the cost of the taxi is $14.80.

8 0
3 years ago
Two cards are drawn without replacement from a standard deck of 52 cards. What is the probability that one of the cards is red a
alukav5142 [94]
Total cards = 52
Total red cards = 26
Total black cards = 26

P(one red and one black) = P(red and then black)+ P(black and then red)
P(one red and one black) =(26/52)(26/51) + (26/52)(26/51)
P(one red and one black) = 26/51 (Answer A) 

-----------------------------------------------------
Answer: 26/51 (Answer A) 
-----------------------------------------------------
5 0
3 years ago
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