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KonstantinChe [14]
2 years ago
10

A new mixture of​ self-tanning & moisturizing lotions for everyday use is being developed. This mixture is made by mixing 90

0 ounces of everyday moisturizing lotion for ​$0.90 per ounce with​ self-tanning lotion worth ​$33 per ounce. If the new​ self-tanning & moisturizing lotion mixture is to cost $1.60 per​ ounce, how many ounces of the​ self-tanning lotion should be in the​ mixture?
Mathematics
1 answer:
butalik [34]2 years ago
7 0
I don't know but i need points so thanks
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which ordered pairs in the form (x, y) are solutions to the equation 3x−4y=21 ? Select each correct answer. (−1, −6) (−3, 3) (11
Valentin [98]

Answer:

see explanation

Step-by-step explanation:

To determine which ordered pairs are solutions to the equation

Substitute the x and y values into the left side of the equation and if equal to the right side then they are a solution.

(- 1, - 6)

3(- 1) - 4(- 6) = - 3 + 24 = 21 = right side ← thus a solution

(- 3, 3)

3(- 3) - 4(3) = - 9 - 12 = - 21 ≠ 21 ← not a solution

(11, 3)

3(11) - 4(3) = 33 - 12 = 21 = right side ← thus a solution

(7, 0)

3(7) - 4(0) = 21 - 0 = 21 = right side ← thus a solution

The ordered pairs (- 1, - 6), (11, 3), (7, 0) are solutions to the equation

3 0
2 years ago
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A boy had 3 apples and gained one. How many apples does he have now? ​
Zigmanuir [339]
Answer: 4



step by step explanation: 3+1=4
4 0
1 year ago
Sean pays £10 for 24 chocolate bars. He sells all 24 chocolate bars for 50p each.
VladimirAG [237]

Answer:

the percentage profit is 20%

Step-by-step explanation:

Given that

Sean paid  £10 for 24 chocolate bars

He sold all 24 chocolate bars for 50p each

we need to find out the percentage profit

Since he paid  £10 and sale value is (24 × 0.50) i.e. £12

So, the percentage profit is

= (£12 - £10) ÷ (£10)

= 20%

Hence, the percentage profit is 20%

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2 years ago
robin is making bead necklaces she want to use 717 beads to make 57 necklaces. if she wants each necklaces to have the same numb
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717=12\cdot684+33

<u>33 beads</u>

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2 years ago
Suppose that 3 boys and 2 girls go to the theater and occupy 5 seats in a row. In how many ways can they be seated if all boys s
guajiro [1.7K]
The answer to the problem is as follows:

Count all boys as one unit. Then there is one boy and 2 girls who can be permuted in 3! = 6 ways. Bout the 3 boys can permute among themselves in 3! = 6 ways.
 
<span>6x6 = 36 ways in which all boys are together.
</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
5 0
2 years ago
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