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RideAnS [48]
2 years ago
10

Max is having trouble evaluating 3x^2 when x=2. He attempts to solve it in 3 different ways and gets 3 different answers! Review

Max’s work and identify the correct solutions and explain what mistakes he made.

Mathematics
1 answer:
gulaghasi [49]2 years ago
4 0

Answer:

Attempt 1 is correct

Step-by-step explanation:

When solving 3X^2 and you know X=2 first ignore the indicie and do 3x2 which is 6 the solve 6^2 which is 36.

The other attempts are wrong because he multiplied X by the indicie first

You might be interested in
Two cubes have their surface areas in the ratio 1:4 , what is the ratio of their volumes ?
yKpoI14uk [10]

Answer:

1 : 8

Step-by-step explanation:

For similar figures with ratio of sides = a : b

Then ratio of areas = a² : b² and

ratio of volumes = a³ : b³

Given ratio of areas = 1 : 4

linear ratio = \sqrt{1} : \sqrt{4} = 1 : 2

ratio of volumes = 1³ : 2³ = 1 : 8


8 0
3 years ago
Your brother has $2000 saved for a vacation his airplane ticket is $637 write and solve an Inequality to find out how much he ca
otez555 [7]
2000$ -637$=1363
But that is what I think not saying its wrong
6 0
3 years ago
Brian & Paul share a lottery win of £7800 in the ratio 1 : 4. Brian then shares his part between himself, his wife & the
Elza [17]

Answer:

The wife gets £468 over the son

Step-by-step explanation:

Firstly, we shall calculate the total amount Brian made from from what he and Paul won.

The ratio is 1:4, meaning for every 2 part Brain takes, Paul takes 4

Paul’s share is thus 1/5 * 7800 = 7800/5 = £1560

Now we have another ratio for sharing the amount Brain has at home.

The total ratio here is 1+6+3 = 10

The share of the wife will be 6/10 * 1560 = 6 * 156 = 936

The son share is half of this which is 936/2 = 468

The difference between their shares is £936-£468 = £468

3 0
3 years ago
X=5y<br> 3x=7y+16 <br><br> substitution method, algebra 1
Korolek [52]
<span>3x=7y+16 
15y=7y + 16
15y - 7y = 16
8y = 16
y = 8/16
y = 2
hope this helps you !!!    =')</span>
7 0
3 years ago
Solve this question please what is 2 +2
kkurt [141]

Answer:

4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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