6 [ 4 × ( 72 - 63 ) ÷ 3 ]

Answers

Answer 1
Answer: Do parenthesis first.
72 - 63 = 9, simplifies to:
6 [ 4 * (9) ÷ 3]
multiply 9 and 4, which is 36, divide that by 3, which equals, 12
6 [12]
12*6 = 72

 
Answer 2
Answer: 6((4*(72-63)/3))
6((4*9/3))
6((36/3))
6((12))
72

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Ericka and her friends are at the fair. She has $50 to spend. If admission to the fair is $15 and each ride costs $2 to ride.

Answers

Answer:

I guess we're looking for how many ridesshe can do

she's $50 admission is $15 each ride is $2

(50-15)/2=17.5 it can make 17 rides maximum

Step-by-step explanation:

What is ( √2 - √3 )² =

Answers

just use FOIL (First, Outer, Inner, Last).

( √2 - √3 ) X ( √2 - √3 )

First: √2 X √2 = 2
Outer: √2 X -√3 = -√6
Inner: -√3 X √2 = -√6
Last: -√3 X -√3 = 3

and then add them together.

2 - √6 - √6 + 3
5 - 2(√6)

The answer is 5 - 2(√6) . 

2-2(square root of 6)+ 3
=5-2(square root of 6)
or 0.1

Between which 2 whole numbers does the cube root
10 lie?​

Answers

Answer:

3<√10<4

Step-by-step explanation:

I could be thinking of something else I'm not sure, sorry if it's wrong

in 2010, there were 40 fish in a pond. one year later, the number of fish decreased by 30%. how many fish we're in the pond in 2011

Answers

To find the answer you turn the percent into a decimal so it is .30 instead of 30% then multiply .30 and 40 and you get your answer, 12.

If 12 cows produce 70 gallons of milk, how many gallons of milk would 42 cows produce?A. 20
B. 245
C. 512
D. 840

Answers

This is a proportions question
  12        42
------  =  -------
  70          ?

Cross multiply

70x42=2940
12x?=2940
294/12=245

42 cows can produce 245 gallons of milk.
So the answer is B.

Hope I helped!

Answer: 245 gallons

Step-by-step explanation: Set up a ratio,  cows/gallons  =  12/70  =  42/x, then cross multiply to get 12x = 70*42. Divide to get 245 gallons.

Which equation represents a line that passes through the two points in the
table?

Answers

Answer:

A. y-1=5/3(x-3)

Step-by-step explanation:

please look at the graph in my pic to see my answer is correct

hope it helps :)