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Ostrovityanka [42]
3 years ago
14

A bookstore is having a sale in which you can get 4 notebooks for $7.00 and 10 folders for $2.50. how much will it cost Rico to

but 5 notebooks and 6 folders
Mathematics
1 answer:
katrin2010 [14]3 years ago
5 0
Are you still in the quiz
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I need some help with this one. Please give it a go! Thank you for your time!
Zigmanuir [339]

Answer:

y = 4x - 3

Step-by-step explanation:

When we re-write the given equation into its slope-intercept form, it will like this:

y = (-1/4)x - 6

This line has a slope equal to -1/4 so the slope of the required line has a slope of +4 (perpendicular to the given line). Use this new slope and the given point P0(-1, -7) into this equation:

y - y0 = m(x - x0) ---> y + 7 = 4(x + 1)

Rearranging the terms into its slope-intercept form, we get

y = 4x - 3

8 0
3 years ago
Every student in the senior class is taking history or science and 85 of them are taking both. If there are 106 seniors taking h
MissTica

Number of students in senior class is 130

<em><u>Solution:</u></em>

Given that Every student in the senior class is taking history or science

85 of them taking both history and science

106 seniors takes history

109 seniors takes science

To find: number of students in senior class

Let A be the set of the students of the senior class that take history

Let B be the set of students of senior class that they science

The number of students in senior class is given by:

|A \cup B|=|A|+|B|-|A \cap B|

Where,

A = 106 and B = 109 and |A n B| = 85

|A \cup B|=106+109-85=130

Thus number of students in senior class is 130

5 0
3 years ago
Y=1/8x−1<br> −5x+4y=−13<br><br> A. (0,−1)<br> B. (8,0)<br> C. (1,−78)<br> D. (2,−34)
Ivan
The answer is letter D
Have a nice day and can i have a brainliest please?
4 0
3 years ago
If 6 – 2x – 8x = 16, then 5x = ?<br> a. 10<br> b. -2<br> c. -1<br> d. -5
Archy [21]
6 - 10x = 16
-10x = 10, x = -1
5(-1) = -5
The answer is d
7 0
3 years ago
Even numbers whose sum is 126
azamat

Answer:100+26

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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