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atroni [7]
2 years ago
10

Plz help me I can't figure it out

Mathematics
1 answer:
likoan [24]2 years ago
3 0
For number 1. it is wrong. It is fresh water. Ocean water is salt water. I don't know the rest, sorry. I will come back if I find out though! :D
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2. Write the probability of each event when choosing one card at random from a standard
xeze [42]

Answer:

Step-by-step explanation:

(King of Diamonds) = 1/52

(A Heart) = 1/4

(Red Three) = 1/26

(Red Card) = 1/2

3 0
3 years ago
Last week, Leon bought 8 pizzas and 13 cakes
romanna [79]
P = pizza and c =cakes

Last week: 8p + 13c = 134
Today: 28p + 4c = 220

Let’s take the formula for today and subtract 28p from each side to isolate the 4c.

4c = 220 - 28p

Now divide each side by 4

c = (220 - 28p)/4
Simplify to c = 55 - 7p

Now go to the formula for last week, substitute the c for 55-7p

8p + 13(55 - 7p) = 134
8p + 715 - 91p = 134

Simplify to 715 - 83p = 134

Let’s add 83p to each side.

715 = 134 + 83p

Subtract 134 from each side

581 = 83p

Divide each side by 83

p = $7
5 0
2 years ago
The book fair a sale where 4 books were $31.36.If you wanted to buy 3 books, how much money would you need
mote1985 [20]

Answer:

$23.52

Step-by-step explanation:

So first you would have to find how much each one would be if you were buying one individual book.  For that you would do 31.36/4 to get $7.84.  Then since you found that for only 1 book, you would need to multiply that by 3 to get $23.52

8 0
3 years ago
Read 2 more answers
I need help with questions 10-14, would appreciate work shown​
Nana76 [90]

Answer:

Step-by-step explanation:

10-h

11-A

12-g

13-a

14-f

Mark as brainlest please

8 0
3 years ago
What is the equivalent exsprssion of √54
FromTheMoon [43]

Answer:

3\sqrt{6}

Step-by-step explanation:

using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

\sqrt{54}

= \sqrt{9(6)} = \sqrt{9} × \sqrt{6} = 3\sqrt{6}


3 0
2 years ago
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