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eimsori [14]
3 years ago
14

Mrs. People purchased Sandwiches at 2 for $6.00 and Donuts for $2.00 a package. She spent $19 for a total of 7 items. How many s

andwiches and donuts did she buy?
Mathematics
1 answer:
dlinn [17]3 years ago
7 0

Answer:

2. 1. 3. 3 6 . b. Classify the system, and tell how many solutions it has. 6. ... She spent the entire amount on songs, ... number of music videos Mariana bought. 7. A chemist needs to mix a 2% acid solution and a ... sandwich spread. ... Use the given matrices for Items 13–20. A ... person sold and the amount of money collected.

Step-by-step explanation:

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Answer: 5x-3y=44

Step-by-step explanation:

We know that , the equation of a line that passes through (a,b) and (c,d) is given by :_

(y-b)=\dfrac{d-b}{c-a}(x-a)

Standard form of equation of line = Ax+By=C

Given points =  (7, -3) and (4, -8)

Then, the equation of a line that passes through the points . (7, -3) and (4, -8) is given by -

(y-(-3))=\dfrac{-8-(-3)}{4-7}(x-7)

(y+3)=\dfrac{-8+3}{-3}(x-7)   [∵ (-)(-)=(+)]

(y+3)=\dfrac{-5}{-3}(x-7)

(y+3)=\dfrac{5}{3}(x-7)

3(y+3)=5(x-7)

3y+9=5x-35

9+35=5x-3y

44=5x-3y

Or 5x-3y=44

Hence, the required equation :-5x-3y=44

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3 years ago
For what is the value of the rational expression below? X+20/x+4
Rus_ich [418]

Answer:

(4 + 20) / (4 + 4)  

= 24 / 8  

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3 years ago
Which numbers represent the measure of the sides of a right triangle?
Dominik [7]

Answer:

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numbers represent the measure of the sides of a right triangle.

2.8²+4.5²=5.3²

7.84+20.25=28.09

28.09=28.09

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3 years ago
5(a-2b)-3(a-2b)<br><br>algebra2 .-.
d1i1m1o1n [39]
5(a - 2b) - 3(a - 2b)    |use distributive property: a(b - c) = ab - ac

= 5a - 10b - 3a + 6b

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= 2a - 4b
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