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8_murik_8 [283]
3 years ago
15

What is (2n-9) -5 (-2.4n+4)

Mathematics
2 answers:
gtnhenbr [62]3 years ago
8 0
2n-9-5-8n+4n
= 2n-14-4n
=2n-14
AnnZ [28]3 years ago
3 0

Answer:

-2n+14

Step-by-step explanation:

2n - 9 - 5 - 8n + 4n  = 2n - 14 - 4n

                                = -2n - 14

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Piper deposited $734.62 in a savings account that earns 2.6% simple interest. What is Piper’s account balance after seven years?
r-ruslan [8.4K]
That would be $868.32 okay :)
5 0
3 years ago
2m² + 10 for m = -6<br><br><br> Help please
lbvjy [14]

Answer:

82

Step-by-step explanation:

2×m²+10

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36×2=72+10=82

7 0
3 years ago
Read 2 more answers
7th grade math help. Check answers too please
seraphim [82]

Answer: It looks correct to me !

Step-by-step explanation:

6 0
3 years ago
ASAPPP
Vlad [161]

The interest she would pay is $694.40.

<h3>What is simple interest?</h3>

Simple interest rate is the interest that is paid only on the principal portion of a loan. This means that the debtor does not pays interest on the interest rate already accrued.

<h3>What interest does she pay? </h3>

Simple interest = principal x time x interest rate

$6200 x 4 x 0.028 =  $694.40.

To learn more about interest, please check: brainly.com/question/26164549

3 0
2 years ago
If x-y = 40 and x+y = 70, then what is the value of x squared -y squared ?
OlgaM077 [116]

Let's see what to do buddy...

____________________________

Reminder:

(a + b)(a - b) =  {a}^{2} -  {b}^{2}

So we need to just Multiply above equations like this :

x + y = 70

x - y = 40

(x + y)(x - y) = 70 \times 40

{x}^{2} -  {y}^{2} = 2800

____________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

7 0
3 years ago
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