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makkiz [27]
3 years ago
12

Nora took 8 bottles of water to a picnic. Of those bottles of water, she and her friends opened a certain number of bottles. b.

What expression can be used to determine the number of unopened bottles at the end of the picnic?
A .8 + b

B. b + 8


C 8 - b


D. b - 8
Mathematics
1 answer:
Bogdan [553]3 years ago
8 0
8 - b

8 is the total amount of bottles that they started out with.
b is the amount that Nora and her friends drank.

b cannot be greater than 8, since 8 is the limit

C. 8 - b is your answer

hope this helps
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n200080 [17]

Answer:

She will use the ratio shortening to flour as 4 : 15

Step-by-step explanation:

When Mrs. Stewart makes pie dough, she uses \dfrac{2}{3} cups of shortening for every 2\dfrac{1}{2} = \dfrac{5}{2} cups of flour.

So, for each \dfrac{2}{3} cup of shortening she uses \dfrac{5}{2} cups of flour.

Then, the ratio of shortening to flour in the mixture of pie dough will be  

\dfrac{\dfrac{2}{3} }{\dfrac{5}{2} } = \dfrac{4}{15} i.e. 4 : 15.

Therefore, she will use the ratio shortening to flour as 4 : 15 to find the amount of flour she needs when she uses 5 cups of shortening. (Answer)

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3 years ago
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Answer:

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2 years ago
tom ate 1/4 of a pizza. He divided the leftover pizza into pieces each equal to 1/12 of the Original Pizza. After he gave some f
Bezzdna [24]
To make this easy let covert everything using a LCD.

The LCD of 1/4  1/12 and 1/6  is 12. This becomes...

Tom ate 3/12 of the pizza.
Leftover pizza = 9/12.
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if each friend got 1 piece(1/12)....
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6 0
3 years ago
What is the rate of change between (29,9) and (33,10)?
Tema [17]

Answer:

\frac{1}{4}

Step-by-step explanation:

The rate of change is a measure of the slope

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (29, 9) and (x₂, y₂ ) = (33, 10)

m = \frac{10-9}{33-29} = \frac{1}{4} ← rate of change

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3 years ago
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Anna71 [15]
Percent decrease=decrease/original times 100
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B is answer
7 0
3 years ago
Read 2 more answers
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