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Flauer [41]
2 years ago
12

3)Please help with this question, WILL MARK BRAINLIEST + 10 POINTS!

Mathematics
1 answer:
ser-zykov [4K]2 years ago
6 0

- 9 < u  <  - 5 \\ 6 < v < 8
40 <  - 8u < 72 \\    -16< - 2v < - 12 \\ 24 <  - 8u - 2v < 60
i dont understand what the question means
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Can someone please help me asap with the problem above
GarryVolchara [31]
Do 4.25 divided by 16 witch equals 0.2656625 but you have to round it to 0.27/oz. do 4.55 divided by 20 witch is 0.2275 but you have to round to 0.23/oz now witch is better 0.27 or 0.23 so a 4.55 dollars for a20 oz drink is the better buy
4 0
3 years ago
3/4x + 4/7y = 5/4x -1...solve for y​
Zielflug [23.3K]

Answer:

\frac{3}{4} x +  \frac{4}{7} y =  \frac{5}{4} x - 1 \\  \frac{4}{7} y =  \frac{5}{4} x - 1 - \frac{3}{4} x \\  \\  \frac{4}{7} y =  \frac{5x - 4 - 3x}{4}  \\  \frac{4}{7} y =  \frac{2x - 4}{4}  \\  \\ y = \frac{2x - 4}{4} \div   \frac{4}{7} \\ y =  \frac{2x - 4}{4} \times  \frac{7}{4}  \\  \\ y =  \frac{14x - 28}{16}  \\  \\ y =  \frac{14x}{16}  -  \frac{28}{16}

I hope I helped you^_^

5 0
2 years ago
PLEASE HELP ASAP ILL GIVE BRIANLIEST AND ACTUALLY HELP PLEASE
sveta [45]
True the whole statement is true
7 0
3 years ago
I will mark brainliest!!! !! <br><br><br> (picture included with only one question^^^^)
Elena-2011 [213]

Answer:

the answer for your question should be 4

6 0
3 years ago
How many real solutions does the quadratic equation
mixer [17]

Answer:

Option 1: 2

Step-by-step explanation:

see the plotting (made with desmos)

note that 3 is impossible, because a quadratic equation can't have 3 real zeros

3 0
2 years ago
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