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Flauer [41]
3 years ago
12

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

Mathematics
1 answer:
ser-zykov [4K]3 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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The answer and explain
tekilochka [14]

Answer:

y = 60, x= 50

Step-by-step explanation:

y + 120 = 180

subtract 120 from both sides

y = 60

60 + 70 = 130

x + 130 = 180

subtract 130 from both sides

x = 50

4 0
3 years ago
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
Marta_Voda [28]

Answer:

x=2

y=-3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Y is directly proportional to x. when x = 8, y = 20. determine the value of y when x = 3​
wolverine [178]

Step-by-step explanation:

y is directly proportional to x

y = kx

k represents the constant of proportionality.

when y = 20 and x = 8:

20 = 8k

Dividing both sides by 8 gives:

k = 2.5

Hence when x = 3.

y = 2.5(3)

y = 7.5 .

4 0
3 years ago
Mr. Nordman gets a commission of $2.30 on each pair of women's shoes he sells, and a commission of $3 on each pair of men's shoe
Alina [70]

Answer:

x ≥ 5

y ≥ 10

3x + 2.3y ≥ 60

Step-by-step explanation:

Lets the number of men's shoes he sells be x and women's shoes be y.

For each men's shoes , he gets a commission of $3 and for each women's shoe, he gets a commission of $2.30 .

He needs to sell atleast 10 women's shoes and 5 men's shoes.

Also he needs to make atleast $60 per week.

x ≥ 5

y ≥ 10

3x + 2.3y ≥ 60

These are are the 3 required inequalities.

Now we will see an example.

If he sells 20 womens shoes and 10 mens shoes , he will meet the requirements.

He will make a total profit = 2.3\times 20 + 3\times 10 =$76

8 0
3 years ago
Please help with this
stiv31 [10]

Answer:

Step-by-step explanation:

Firstly you could expand the indices

This would give you

5 x 5 x 5

This is because 5² is equivalent to 5 x 5

5 x 5 x 5 =125

But we have to give the answer in index form

This means the answer is 5 cubed or 5³

7 0
4 years ago
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