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german
2 years ago
14

Hiroto spends \$68 on e-books and paperback books combined. Each e-book he buys costs $5 and each paperback book he buys costs $

12. If Hiroto buys e-books and y paperback books which of the following equations best models the situation?
Mathematics
1 answer:
alina1380 [7]2 years ago
5 0

The equation that can be used to model the situation regarding the e-books and paperback is 5x + 12y = 68

The following information can be gotten from the question:

Total amount spent on e-books and paperback = $68

<em>Cost</em><em> of e-book = $5 each.</em>

<em>Cost of paperback = $12 each</em>

<em>Number of</em><em> e-books</em><em> = x</em>

<em>Number of paperbacks = y</em>

Therefore, the equation that can be used to model the situation regarding the <em>e-books </em>and <em>paperback</em> will be:

= 5(x) + 12(y) = 68

5x + 12y = 68

The equation will be 5x + 12y = 68

Read related link on:

brainly.com/question/25212173

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1/x + 1/4 = 7/12 solve for x
Licemer1 [7]
Given equation is
\frac{1}{x} +  \frac{1}{4} =  \frac{7}{12}

We can solve it by subtracting 1/4 both side
\frac{1}{x} +  \frac{1}{4} -  \frac{1}{4} =  \frac{7}{12} -  \frac{1}{4}

\frac{1}{x} =  \frac{7}{12} -  \frac{1}{4}
                          =  \frac{7 - 3}{12}
                          =  \frac{4}{12}
                          =  \frac{1}{3}

So \frac{1}{x} =  \frac{1}{3}
On comparing x = 3.

SO the solution of equation is x = 3
5 0
3 years ago
416
nydimaria [60]
76 82 87 93 95 98

Mean -
76+82+87+93+95+98 = 531
531/6 = 88.5

Range -
98 - 76 = 22

Median -
Because there are 6 numbers you have to find the average of the middle two
87+93 = 180
180/2 = 90

Mode -
No number is repeated so there is no mode.
8 0
3 years ago
Read 2 more answers
????????????????vbzjjzjdvdu
Romashka-Z-Leto [24]

Answer:

A

Step-by-step explanation:

There is an empty dot on 4, meaning b is not equal to 4.

The arrow is going to the left of 4, so it means that b is less that four.

Hope that helps!

3 0
2 years ago
Read 2 more answers
Camilla has three times as many points as Lynn. Lynn has five
REY [17]

Step-by-step explanation:

l x 3 = c

k + 5 = l

(c + l + k) x 2 = 25

c = 33

l = 11

k = 6

5 0
3 years ago
A rectangular room is 11 feet by 18 feet. The ceilings are 10 feet high. If a gallon of paint covers 250 square feet. How many g
Bingel [31]

Answer:

2.32 gallons of paint

Step-by-step explanation:

First, find the area of all 4 sides of the room, with the equation A = lw

11(10)

= 110 (for 2 of the walls)

18(10)

= 180 (for the other 2 walls)

Add these up:

110 + 110 + 180 + 180

= 580

Then, divide this by 250:

580/250

= 2.32

So, 2.32 gallons of paint will be needed to paint the room.

5 0
3 years ago
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