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masha68 [24]
2 years ago
11

Pls help this is homework

Mathematics
2 answers:
disa [49]2 years ago
6 0

Answer:

144

Step-by-step explanation:

First we can start by replacing x with the value (2)

120 + 18(2)  - 3 {(2)}^{2}

120 + 36 - 3(4)

120 + 36 - 12

Therefore the final answer is 144

Anna007 [38]2 years ago
3 0

Answer:

ans 144

Step-by-step explanation:

hope this helps

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How many sets of 7 questions can be chosen from a file of 25 questions?
likoan [24]
If all 25 questions are different,

When order of selection counts:
P(25,7)
=25!/(25-7)!
=15511210043330985984000000/6402373705728000
=2422728000

When order of selection does not count count:
C(25,7)
=25!/(7!*(25-7)!)
=15511210043330985984000000/(6402373705728000*5040)
=480700

3 0
3 years ago
Does anyone understand this if so can someone tell me how I do this and explain how to do it thank you!
dexar [7]

The ending balance for January 2018 was $1056.37

Step-by-step explanation:

Step 1; Whenever you make a payment, make a cash withdrawal, a payment through debit card or an automatic payment the money in your account decreases as you're giving your money to someone else. So the amount of money spent or taken is reduced from the balance in your account.

Whenever you get your paycheck or make a deposit the money you have in your account increases. So the amount of money put in or the money you are paid is added with the balance you have in your account.

Step 2; Total deposits mean all the money that was added into your account. In this month's summary, the individual didn't deposit any money into their account but did get paid twice. They got paid their paycheck twice. The amount paid was $645.30. So total amount deposited was 2 * $645.30= $1290.60.

Step 3; Total withdrawals were all the payments you made to someone else. In the month of January payments were; $ 158.25 to the plumber, $168.36 for the car payment, $157.42 for the cable bill and $148.46 for the phone bill. All these amounts were deducted from the account balance.

Step 4; So this is how to calculate the final balance.

$398.26 was the initial balance, $ 158.25 to the plumber, $168.36 for the car payment, $157.42 for the cable bill, $645.30 was paid through a paycheck, $148.46 for the phone bill and another $645.30 was another paycheck.

So the balance was = $398.26 - $158.25 - $168.36 - $157.42 + $645.30 - $148.46 + $645.30 = $1,056.37

6 0
3 years ago
Help picture below problem 12
Svet_ta [14]

Answer:

Take a sleep like 25 minutes and then you will be able to answer it for yourself

6 0
1 year ago
(4ab - 8a 2 + 12ac) ÷ 4a
ioda

we are given

\frac{(4ab-8a^2+12ac)}{4a}

we can see that

4a is in multiple in numerator

so, we can factor it out

\frac{4a(b-2a+3c)}{4a}

now, we can cancel 4a

and we get

(b-2a+3c).............Answer

7 0
3 years ago
Help <br> me <br> please <br><br><br> (WILL GIVE BRAINLIEST)
andriy [413]

Answer:

3

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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