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Bas_tet [7]
2 years ago
5

The average cost of 3 books 3:2:5 is $50. How much does each book cost?

Mathematics
1 answer:
Nina [5.8K]2 years ago
3 0

Step-by-step explanation:

We have to find what one share is

we have 3 shares + 2 shares + 5 shares

so he have a total of 10 shares

next, we divide 50 by total shares to get what one share is

50 ÷ 10 = 5

5 is one share

fins what each is

for 3

3 shares so 3 fives

3 × 5 = 15

for 2

2 shares so 2 fives

2 × 5 = 10

and for 5

can you work it out and leave in the comments i will say if it is correct

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Amelie's cat is 6 years older than her dog. The sum of their ages is 14 years.    How old is Amelie's dog
creativ13 [48]
C+d=14
c-6=d
then you will plug c+6 in the first equation and you will get:
c+c-6=14
then you get
2c=20
c=10, so the cat is ten years old
the cat is 6 years older than the dog, so the dog is 4 years old
hope that helps :) 
7 0
3 years ago
Least to greatest PLEASE IM STRUGGLING AS IS WITH THE COMPUTER
Ivan

Answer

Least to Greatest order by options: 3, 2, 4, 1

Step-by-step explanation:

Option 3 is 1/2 therefor its 0.5

Option 2 is 4.4

Option 4 is 10

Option 1 is 13.14

And that's put in least to greatest order.

6 0
3 years ago
Read 2 more answers
A1=2 and a8=74 what is the sum
Papessa [141]

Sum of the first 8 terms in an arithmetic sequence is 304.

Given that, a_{1}=2 and a_{8}=74.

<h3>What is sum of arithmetic sequence?</h3>

The sum of the arithmetic sequence formula is defined as the formula to calculate the total of all the terms present in an arithmetic sequence.

The sum of the first n terms in an arithmetic sequence is (n/2)⋅(a₁+aₙ).

Now, sum of the first 8 terms in an arithmetic sequence is

a_{8}= (8/2).(2+74)

=4×76

=304

Therefore, sum of the first 8 terms in an arithmetic sequence is 304.

To learn more about an arithmetic sequence visit:

brainly.com/question/15412619.

#SPJ1

3 0
1 year ago
If x represents a number then write an expression for a number that is three more than one third the value of x
oksano4ka [1.4K]

Answer:

1/3x+3

It is asking for 1/3 of x which is 1/3x

three more essentially means add 3

So 1/3x+3 is the answer

8 0
3 years ago
Read 2 more answers
This is one I got wrong in the test... just making sure you hush get the right answer...:) DO NOT DELETE THIS... IM just helping
Anton [14]
Well, if the cement block is going to get painted, then you would have to find the surface area of that rectangular solid. 
Multiply 4.5 by 7.25 to get the area of one side, then multiply that answer by 2 to get the area of the side opposite the given side. You'd end up with the area for two congruent sides.
Next, multiply 4.5 by 6.5. Multiply the sum by 2, since there is another congruent side opposite that.
Lastly, multiply 6.5 and 7.25, since they are the only numbers left to multiply anyway. Multiply the product by 2.
Your work should look somewhat like this:
4.5 x 7.25 = 32.625 (x2)
4.5 x 6.5 = 29.25 (x2)
6.5 x 7.25 = 47.125 (x2)
32.625 + 29.25 + 47.125 = 109
Multiply 109 by 2 (there are 6 sides to this prism; 3 are listed, so multiply 2 to get the area of the other 3)
FINAL ANSWER: 218 feet squared
5 0
3 years ago
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