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fredd [130]
3 years ago
7

Write a story problem to go with the multiplication problem 3 x 7/8 . Then, solve the problem.

Mathematics
1 answer:
velikii [3]3 years ago
7 0

"In our class we have 3 books. My teacher says that we need to increase that number of books by 1/8 with each student. If they are 7 students how many books will the class have now?"

Ok there's a quick example but here is how to solve it.

You need to make the 3-fraction friendly and put a one under it

1/3 and now you can multiply 3/1 x 7/8.

Which will now give you 21/8 and simplified it will be 2 5/8

So final answer would be 21/8 = 2 5/8.

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A building has a concrete foundation that’s 24” wide and 36” deep at all points. How many cubic yards of concrete are necessary
Iteru [2.4K]

Answer:

5/9 cubic yards

Step-by-step explanation:

Just so L*W*H=24(36)(30)= 25920 cubic inches=25920 (1 in*1 in* 1 in)

36 in=1 yd

so

1 in =1/36 yd

do divide 25920 by (36*36*36)

The answer in cubic yards is 5/9 cubic yards

4 0
4 years ago
If f(x) = x2 – 1 and g(x) = 2x – 3, what is the domain of (f circle g) (x)? (negative infinity, infinity) Left-bracket negative
n200080 [17]

Answer:

A. (-∞, ∞)

Step-by-step explanation:

f circle g (x) is another way of expressing f(g(x)). Basically, we have to plug g(x) into f(x) wherever we see x's.

f(x) = x^2 - 1

f(x) = (2x-3)^2 - 1

Now find the domain. I think the easiest way to do this is to graph it. I've attached the graph. You can also do it algebraically by thinking about it: it's a positive parabola (+x^2) and its minimum is -1, so its range will not be all real numbers, but its domain will certainly be. (The range would be answer choice B!)

Domain = (-∞, ∞)

5 0
3 years ago
10 7/12- 9/12=(10/12+7/12)- 9/12
Deffense [45]
10.58-.75=(.83+.58)-.75
9.83=1.41-.75
9.83=.66
4 0
4 years ago
Read 2 more answers
30 POINTS<br><br> why are 3/4 and 6/8 equivalent
Flauer [41]

Step-by-step explanation: In order to decide whether the given fractions are equivalent, first write each fraction in lowest terms. Remember, a fraction is written in lowest terms if the greatest common factor of the numerator and the denominator is 1.

For our first fraction which is 3/4, the greatest common factor of 3 and 4 is 1, the fraction is already in lowest terms.

For our second fraction however, since the greatest common factor of 6 and 8 is 2, we must divide both the numerator and denominator by 2 which gives us 3/4.

3/4 = 3/4 which means these fractions are equivalent.

3/4 and 6/8 are equivalent because if you reduce 6/8 in lowest terms, you end up with the fraction 3/4.

3 0
4 years ago
Name a number that cant be evenly divided by 6 and by 7
Luba_88 [7]
42 can easily be divided by both 6&7.
4 0
3 years ago
Read 2 more answers
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