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Lorico [155]
3 years ago
13

Dr.Drange has a collection of 90 books. Of the books, 2/9 are math books, 1/6 are science books,and the rest are romantic novels

s. How many romantic novels does he have?
Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

13/18 used common denominator of 90 so 2/9 x 10 and 1/6 x 15 gave me 20/90 and 15/90. Added those and cane up with 35/90. Difference was 65/90 so but could be divided by 5 so my answer came out to 13/18.

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a school librarian ordered new books for the library. 1/3 are science 2/5 are biography and the rest of the books are fiction. W
Fantom [35]

i think it would be 4/15 because science is 6/15 and fiction is 5/15

i don't need it but brainliest is appreciated

4 0
3 years ago
Read 2 more answers
The sum of two numbers is 87, and one number is eleven more than the other. fing the number​
lara31 [8.8K]

Answer: 49 and 38

Step-by-step explanation:

I did trial and error

38+11=49

49+38=87

4 0
3 years ago
2 cubes thrown, what is probability one will land on a one and the other not a one
Sindrei [870]

Answer:

The answer is 5/36.

Step-by-step explanation:

The probability that the first cube will land on a one is 1/6 and the probability that the second cube will land not on a one is 5/6.

So,you do 1/6*5/6=5/36.

8 0
3 years ago
The Chang family is on their way home from a cross-country road trip. During the trip, the function D(t)=3260−55t can be used to
nadya68 [22]

Answer:

D(12) = 2,600 miles

It means a distance of 2,600 miles is already traveled from home after 12 hours

Step-by-step explanation:

To find D(12); all we have to do is to substitute the value of 12 for D

We have this as;

D(12) = 3260-55(12)

D(12) = 2,600

In the context of this problem, what this mean is that the distance away from home is 2,600 miles after traveling 12 hours

6 0
3 years ago
F(x) = 3x + 2<br> What is f(5)?<br><br> PLEASE HELP!!!!
abruzzese [7]
Resolving a function of any nature means determining your zeros or raizes.

The zeros of a function occur when the function is null.

Then:

f(x) = 3x - 2

To determine the root
f(x) = 0 = 3x - 2
3x = 2
x = 2/3 Final result
8 0
3 years ago
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