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Alja [10]
3 years ago
7

What is the answer to 6 – 4r = -3r

Mathematics
2 answers:
hodyreva [135]3 years ago
7 0
Let's solve for "r" by bringing them all to one side.
-3r=6-4r
+4r    +4r
r=6
So, r is equal to 6.
loris [4]3 years ago
3 0
So you have to add the like terms together,

6 - 4r = -3r
    +4r   +4r

        6=1r
   Divide 1 to both sides.
       
      6=r

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For his birthday, Tyrone's parents gave him $7,790.00 which they put into a savings account that earns 15% interest compounded m
torisob [31]

Answer:

5 years and 5 months

Step-by-step explanation:

<u />

<u>Compound Interest Formula</u>

\large \text{$ \sf A=P(1+\frac{r}{n})^{nt} $}

where:

  • A = final amount
  • P = principal amount
  • r = interest rate (in decimal form)
  • n = number of times interest applied per time period
  • t = number of time periods elapsed

Given:

  • A = $17,474.00
  • P = $7,790.00
  • r = 15% = 0.15
  • n = 12
  • t = number of years

Substitute the given values into the formula and solve for t:

\implies \sf 17474=7790\left(1+\dfrac{0.15}{12}\right)^{12t}

\implies \sf \dfrac{17474}{7790}=\left(1.0125}\right)^{12t}

\implies \sf \ln\left(\dfrac{17474}{7790}\right)=\ln \left(1.0125}\right)^{12t}

\implies \sf \ln\left(\dfrac{17474}{7790}\right)=12t \ln \left(1.0125}\right)

\implies \sf t=\dfrac{\ln\left(\frac{17474}{7790}\right)}{12 \ln \left(1.0125}\right)}

\implies \sf t=5.419413037...\:years

Therefore, the money was in the account for 5 years and 5 months (to the nearest month).

3 0
1 year ago
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Malcolm bought 6 bowls for $13.20. whats the unit rate<br><br><br> need the work
Whitepunk [10]
Hello!

You have to find the cost of one bowl

To find this you take the cost of all the bowls and divide it by the amount of bowls

13.20 / 6 = 2.2

The answer is $2.20

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3 years ago
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Answer:

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y

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Use the slope-intercept form to find the slope and y-intercept.

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Slope:  

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y-intercept:  

(

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Any line can be graphed using two points. Select two  

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x

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What is the length of the tabletop
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