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lord [1]
3 years ago
5

Math Help? 15 Points

Mathematics
1 answer:
frosja888 [35]3 years ago
7 0
A last week Rosemary walked at a faster pace
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Whats the x value of the solution to this system of equations<br> x=2y-4<br> 7x+5y=-66
Likurg_2 [28]

Answer:

x=2y−47x

Step 1: Add 47x to both sides.

x+47x=−47x+2y+47x

48x=2y

Step 2: Divide both sides by 48.

48x

48

=

2y

48

x=

1

24

y

Answer:

x=

1

24

y

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
During a sale at the bookstore,books sold for $3 and magazines sold for $2.50.Jan spent $16 and bought a total of 6 books and ma
quester [9]

<span>If you would like to know how many of each did Jan buy, you can calculate this using the following two equations:

b ... the number of books
m ... the number of magazines

$16 = b * $3 + m * $2.50 ... 16 = 3 * b + 2.50 * m
b + m = 6 ... b = 6 - m
__________________
</span>16 = 3 * b + 2.50 * m

<span>16 = 3 * (6 - m) + 2.50 * m</span>

16 = 3 * 6 - 3 * m + 2.50 * m

16 - 18 = - 3 * m + 2.50 * m

- 2 = - 0.50 * m     /0.50

m = 2 / 0.50

m = 4 magazines 

<span>b = 6 - m = 6 - 4 = 2 books</span>

Result: Jan bought 4 magazines and 2 books.

3 0
3 years ago
Read 2 more answers
Which expression is equivalent to 4+5i•(2-7i)?
Westkost [7]

Answer:

(4 + 5i)(2 - 7i) = 8 - 28i + 10i + 35

= 43 - 18i

4 + 5i(2 - 7i) = 4 + 10i + 35

= 39 + 10i

5 0
3 years ago
Line segment AB has endpoints at B (2 , 4) and A (22 , 4). Find point C so that it is located 3/4 of the way from A to B.
Igoryamba

Answer:

need points

Step-by-step explanation:

need points

4 0
3 years ago
Which expression can be modeled using the number line?
uranmaximum [27]

Answer:

iohji

Step-by-step explanation:

6 0
3 years ago
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