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vladimir1956 [14]
3 years ago
14

Marking brainliest

Mathematics
1 answer:
laiz [17]3 years ago
5 0

Answer:

23.1\%

Step-by-step explanation:

Stefanie's mixture of 18 grams has a 20% sugar content. Therefore, there are  grams of sugar in her syrup.

John's mixture of 30 grams has a 25% sugar content. Therefore, there are  grams of sugar in her syrup.

Therefore, if they mix their syrups together, there will be 11.1 grams of sugar and 48 total grams of content.

The concentration of sugar in the new mixture is \frac{11.1}{48}=\fbox{$23.1\%$}(rounded to one decimal place).

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Jungkook walks 3 1/2 miles in 1 1/4 hours, what is the unit rate? I also want to know how do you find the unit rate?
geniusboy [140]
Hi there!
Unit rates are basically changes expressed as a quantity of one. For example, if we have something like 100 feet per second or 2 meters per hour, those are unit rates. In this case, we have a multiple-unit rate - 3 1/2 miles in 1 1/4 hours. First off, we need to simplify both fractions to an improper fraction, giving us 7/2 miles and 5/4 hours. Now, we need to divide 7/2 by 5/4.
7/2 ÷ 5/4
Find the reciprocal of 5/4:
7/2 × 4/5
Multiply:
28/10 → 2.8
Therefore, Jungkook walks 2.8 miles in one hour, or 2.8 mi/hour. Hope this helped!
7 0
3 years ago
Read 2 more answers
Help anybody has an answered for this?
umka21 [38]

Answer:

Step-by-step explanation:

The correct domain consists of only five integers:  {0, 1, 2, 3, 4}  It's possible that the customer buys NO melons; that's why we have that 0 in the domain.  No customer may buy more than 4 melons; that's why the domain does not include numbers greater than 4.  Only whole melons are sold, which is why the domain contains no fractions, no mixed numbers.

7 0
3 years ago
1/2 times ? Equals 3 1/2
stepan [7]

Answer:

7

Step-by-step explanation:

1/2(x)=7/2

divide both sides by 1/2

x=\frac{7}{2}÷\frac{1}{2}

x=\frac{7}{2}·\frac{2}{1}

x=14/2=7

4 0
2 years ago
Joshua Freeman has a family membership in his company’s health insurance plan with the benefits shown. His recent non-network he
Nezavi [6.7K]

His co-payment for his physician visits would be:

10 x 18 = $180.

His co-payment for his physical therapy would be:

10 x 20% x 150= $300.

You then have to add both co-payments which give you $480.

8 0
3 years ago
Alan, Bill, and Calvin are playing a game with collectible cards. At the moment, Alan has 11 less than times the number of cards
Mama L [17]
<span> a=2.5b-11, c=1.5b+1, and a=c so

2.5b-11=1.5b+1

b=12 so a=19 and c=19

so a+b+c=50 </span>
8 0
3 years ago
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