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spin [16.1K]
3 years ago
13

Write an algebraic expression that represents each word expression. You want to store an equal number of books on each of the 5

shelves on your bookcase. If you have b books, how many books will be on each shelf?
Mathematics
1 answer:
Butoxors [25]3 years ago
3 0

Answer: \dfrac{b}{5}

Step-by-step explanation:

Given: Let b = Total number of books.

Total shelves = 5

Number of books on each shelf = (Total number of books) ÷ (Total shelves)

= b  ÷ 5

=\dfrac{b}{5}

The required expression for the number of books on each shelf = \dfrac{b}{5}

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Your goal is to save $1200 to pay for next year's books and fees. How much must you save each month if you have 5 months to acco
Lady bird [3.3K]
All this is asking you is to find how much you need to save per month (limit of 5) in order to make your goal of $1200.

To solve this, simply divide 1200 by 5, which is the months, and you get $240, which is how much you have to save per month in 5 moths to reach your exact goal of $1200. If anything is confusing please ask :)
3 0
3 years ago
Read 2 more answers
Mia and Luke made 85 origami together. Mia made 4 pieces of origami every 3 minutes. Luke made 3 pieces of origami every 4 minut
julia-pushkina [17]
For ease of solving, let's first find the rate of Mia and Luke per minute. Since Mia can do 4 pieces every 3 minutes, then she can do \frac{4}{3} of a piece per minute. Luke on the other hand can do \frac{3}{4} of a piece per minute.

To find how many pieces they made, we first need to find the time it took for them to make the pieces. We assign t as the time Mia spent making origami. Since Luke spent 5 more minutes, we can denote his time as t+5.

Putting this into an equation we'll get:
\frac{4}{3}t+ \frac{3}{4}(t+5)=85
\frac{4}{3}t+ \frac{3}{4}t+\frac{15}{4}=85
\frac{25}{12}t=81.25
t=39

Therefore, Mia made pieces of origami for 39 minutes. Knowing this, we can find out the number of pieces of origami she made:
39* \frac{4}{3} =52

ANSWER: Mia made 52 pieces of origami.
7 0
3 years ago
What is the answer? How to solve?
Kobotan [32]

Answer:

a +73°=90°

a= 90°-73°

a =17°

d+18°=90°

d=90°-18°

d =72 °

6 0
3 years ago
What is the equation of a line that passes through (-6, 2) and has a slope of −12
zimovet [89]
Y - 2 = -12(x + 6)
y = -12x - 72 + 2
y = -12x - 70

answer

y = -12x - 70

hope it helps
3 0
4 years ago
For the function, f(x) = -2x2, find f(-3).
Dvinal [7]

Answer:

-18

Step-by-step explanation:

If the function is -2x^{2}

then the answer would be

-2(-3)^{2}

-2(9)= -18

3 0
3 years ago
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