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agasfer [191]
2 years ago
13

John has a bookcase with 5 shelves. There are k books on each shelf. Using k , write an expression for the total number of books

.
Mathematics
1 answer:
Zielflug [23.3K]2 years ago
4 0

Answer:

Total number of books = 5(k)

Step-by-step explanation:

There are a total of 5 shelves in a bookcase. K is the number of books in each shelf. You would multiply the number of shelves (5) by the number of books (k) on each shelf to get the total amount of books in the bookcase.

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The cost for hiring a car for 2 days in 2018 was Rs. 264 which was 20% more than in 2013. What was the cost of hiring a car for
Goshia [24]

The cost of hiring a car for 2 days in 2013 is Rs. 316.8

<h3>How to find the cost of hiring in 2013 ?</h3>

The cost for hiring a car for 2 days in 2018 was Rs. 264 which was 20% more than in 2013.

Therefore,

cost of hiring for 2018 = Rs. 264

Therefore,

let

cost of hiring in 2013 = 20%(264) + 264

cost of hiring in 2013 = 20 / 100 × 264 + 264

cost of hiring in 2013 = 1 / 5 × 264 + 264

cost of hiring in 2013 = 264 / 5 + 264

cost of hiring in 2013 = 52.8 + 264

cost of hiring in 2013 = 316.8

Therefore, the cost of hiring a car for 2 days in 2013 is Rs. 316.8.

learn more on cost here: brainly.com/question/1663590

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7 0
2 years ago
2) 2(8r + 5) = 24 + 9r
Anna35 [415]

Answer:

r = 2

Step-by-step explanation:

2(8r + 5) = 24 + 9r

16r + 10 = 24 + 9r

16r - 9r = 24 - 10

7r = 14

r = 2

4 0
3 years ago
The table shows the amount of money in Shawn's bank account as a
fredd [130]

Answer:

400000000 dollar

Step-by-step explanation:

because why not

5 0
2 years ago
Consider the graph of the expotential function y= 3(2)^x
victus00 [196]

Answer:

<h2>y-intercept = 3</h2><h2>x-intercept - not exist</h2><h2>the graph is increasing</h2>

Step-by-step explanation:

The exponential function:

f(x)=b(a)^x

has y-intercept for x = 0

hasn't x-intercept

if a > 1, then is increasing

if 0 < a < 1, then is decreasing

We have

y=3(2)^x

a = 2 >1 - increasing

for x = 0:

y=3(2)^0=3(1)=3

8 0
3 years ago
Which rules define the function whose graph is shown?   on  x &lt; −2   on  −2 ≤ x &lt; 0   on  0 ≤ x &lt; 2   on  2 ≤ x
jeyben [28]

Answer:

-4, -x^2, x^2, 4

Step-by-step explanation:

4 0
3 years ago
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