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Stolb23 [73]
3 years ago
9

What is the product of the expression?(a-3b) (2a+2b)

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
I think is

2a2 + 2ab - 6ab + 6b2

2a2 + 6b2 - 4ab
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#6) Beth saved a total of $30 per month for her first car. Beth saved
babymother [125]

Answer:

Domain = 0≤m≤20 for mEZ+

Range = $100≤A≤$700 for all values of m

Step-by-step explanation:

Initial amount in the account = $100

Amount saved by beth monthly = $30

Amount in the bank after X month = $100+$30X where X is the number of months beth intend to save up to.

The amount in her bank in her first month = $100+$30(1)

= $100+$30

= $130

Amount saved in the second month will be when X = 2

= $100+$30(2)

= $100+$60

= $160

The amount in the bank will keep increasing by $30 monthly until the 20month.

The amount he will have in her bank in the 20th month will be at when X = 20

= $100+30X

= $100+30(20)

= $100+$600

= $700

This means that her money will be $130 in the first month and will keep increasing until it reaches $700 in the 20th month.

The DOMAIN will be the interval of the time she used in saving. Since she saved for 20months, the domain will be expressed as 0≤m≤20 for mEZ+ where m is the number of month she uses to save.

The Range will represent the amount she saved within the specified time and will be expressed as $100≤A≤$700 for all values of m.

Where $100 is the amount in the account initially and $700 is the amount in the account after 20 months.

3 0
2 years ago
Someone smart help me please
mafiozo [28]
Pretty sure it is
shift 1 left
i might be wrong
7 0
2 years ago
What is y-1 =2(x +3) in standard form?
miv72 [106K]

Answer:

y-1=2(x+3)

y-1=2x+6

y=2x+6+1

y=2x+7

6 0
3 years ago
Use the table to find the slope.<br><br><br> -2<br><br><br> 2<br><br><br> 1/2<br><br><br> -1/2
Tresset [83]

Answer:

going upp then downn

Step-by-step explanation:

3 0
2 years ago
At a clothing store, Ted bought 4 shirts and 2 ties for a total price of $95. At the same store, Stephen bought 3 shirts and 3 t
zepelin [54]

Answer:

$19.50

Step-by-step explanation:

We can turn these into equations by making the shirts 's' and the ties 't'.  

4s+2t=95 and 3s+3t=84

Now we can solve the system of equations with substitution.

4 0
3 years ago
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