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Kitty [74]
3 years ago
13

The cost of five books is 71 dollars what is the cost of each book

Mathematics
2 answers:
Sedbober [7]3 years ago
5 0
Divide 71 and 5 to get a decimal since 71 does not end with 5 or 0. Do it to get 14 1/5 or 14.2
Lera25 [3.4K]3 years ago
4 0
Well, for this you would need to  do  71 divided by 5. Each book would cost $14.20.
To  check this, simply do 5 multiplied by 14.20 and you get 71.
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*repost since nobody answered* how would i answer this?
pshichka [43]

Answer:

b is not a function

Step-by-step explanation:

To be a function there must be a one to one correspondence.

Each x must only go to one y

b has an x that goes to two different y's

1 goes to 5 and 13.  That makes it a relation not a function

7 0
3 years ago
The blue segment below is a diameter of O. What is the length of the radius of the circle?
nexus9112 [7]

Answer: Option D :3.85 units.


Step-by-step explanation: Diameter is the longest chord of any circle . It is a straight line passing through the center of the circle and touches the circle at two points. Radius is a line  drawn from the center of circle to the circumference. Radius is half of diameter.In the given figure the blue line is diameter  .The diameter is the blue line which equals 7.7 units.Radius is half of diameter .Radius = 7.7÷2=3.85 units.

Option D is the right answer.


8 0
4 years ago
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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
2 years ago
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You fly in a helicopter for 20 minutes that goes at a speed of 240 kilometers per hour. How far did you go?
wariber [46]
You have traveled 80km
3 0
3 years ago
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You enter a room. 2 dogs, 4 horses, 1 giraffe and a duck lie on the bed. 3 hens fly over a chair. How many legs are there on the
kap26 [50]

Answer:

38 legs

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horse=4 legs

giraffe= 4 legs

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2x4+4x4+1x4+1x2

8+16+4+2=38

8 0
2 years ago
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