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stira [4]
3 years ago
15

Simplify the expression. 3.1 - 3.6n - 2n + 5

Mathematics
2 answers:
Tema [17]3 years ago
8 0
-5.6n + 8.1



To get this I combined -2n and -3.6n to get -5.6n. Than I combined 3.1 and 5 to get 8.1. Which together equals 5.6n + 8.1
Nostrana [21]3 years ago
5 0

Answer:

8.1-5.6n

Step-by-step explanation:

So first combine like terms

3.1+5=8.1

-3.6n-2n= -5.6n

Now just combine them

8.1-5.6n

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The cost of Jacquie's gym membership is $20 per month. Jacquie gets a 10% discount of the monthly cost in any month in which she
Taya2010 [7]
$2

10%->.10

20x0.10=(2)
                Jacquie saves up $2 if she refers a friend.
6 0
3 years ago
Perform the indicated operation. Be sure the answer is reduced.
ANTONII [103]

\frac{m}{n} . \frac{n}{p}  \div  \frac{p}{q}  \\  =  \frac{m}{p}  \div  \frac{p}{q}  \\  =  \frac{m}{p} . \frac{q}{p}  \\  =  \frac{mq}{ {p}^{2} }

Hope it helps...

Regards;

Leukonov/Olegion.

8 0
3 years ago
Read 2 more answers
I need help. Please solve this using GEMS. Take a photo of your work and attach it to your answer. Please help.
crimeas [40]

Answer:

120

Step-by-step explanation:

45 ÷ 3 x 2³

2³ = 8

45 ÷ 3 x 8

45 ÷ 3 = 15

15 x 8 = 120.

Hope this helped.

P.S. do I have to put in a photo?

8 0
3 years ago
Arrange the equations in the correct sequence to rewrite the formula for displacement, , to find a. In the formula, d is displac
OverLord2011 [107]

Answer:

2(d-vt)=-at^2

a=2(d-vt)/t^2

at^2=2(d-vt)

Step-by-step explanation:

Arrange the equations in the correct sequence to rewrite the formula for displacement, d = vt—1/2at^2 to find a. In the formula, d is

displacement, v is final velocity, a is acceleration, and t is time.

Given the formula for calculating the displacement of a body as shown below;

d=vt - 1/2at^2

Where,

d = displacement

v = final velocity

a = acceleration

t = time

To make acceleration(a), the subject of the formula

Subtract vt from both sides of the equation

d=vt - 1/2at^2

d - vt=vt - vt - 1/2at^2

d - vt= -1/2at^2

2(d - vt) = -at^2

Divide both sides by t^2

2(d - vt) / t^2 = -at^2 / t^2

2(d - vt) / t^2 = -a

a= -2(d - vt) / t^2

a=2(vt - d) / t^2

2(vt-d)=at^2

4 0
3 years ago
43×15= what is the correct answer
mario62 [17]
43 × 15 = 645.

First, set up the long multiplication.
Second, calculate 3 × 5, which is 15. Since 15 is two-digit, carry the first digit 1 to the next column.
Third, calculate 4 × 5 which is 20. Since 21 is two-digit, carry the first digit 2 to the next column.
Fourth, bring down the carry digit of 2. 
Fifth, calculate 3 × 1, which is 3.
Sixth, calculate 4 × 1, which is 4.
Seventh, calculate 215 + 430, which is 645.
Eighth, therefore, 43 × 15 = 645.

Or.. an easier way is to use a calculator. They always come in handy when doing multiplication.

5 0
3 years ago
Read 2 more answers
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