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WARRIOR [948]
3 years ago
12

In the cafeteria, 70 milk cartons were put out for breakfast. After breakfast, there were 60 milk cartons

Mathematics
2 answers:
Minchanka [31]3 years ago
6 0

Your answer would be.

The ratio of milk cartons taken to total

60/70

The ratio of milk cartons remains.

10/60

- Yaoii

aev [14]3 years ago
4 0

Answer:

1. The ratio of milk cartons taken to total milk cartons,

70 - 10 = 60 were taken

73/100 is the ratio of milk cartons taken to total milk cartons

2. The ratio of milk cartons remaining to milk cartons taken

10 / 60 is the ratio of milk cartons remaining to milk cartons take

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Paul, a dentist, determined that the number of cavities that develops in his patient's mouth each year varies inversely to the n
timofeeve [1]

Answer:

Step-by-step explanation:

Inverse variation is written as

y=\frac{k}{x} which, in words, says "y varies inversely with x". If cavities varies inversely with time brushing, then

c=\frac{k}{t}

We are given the initial condition for which we need to solve for k:

c = 4 when t = 30:

4=\frac{k}{30} so

k = 120.

Now we will use that value of k to solve the problem of how many cavities, c, would she have if she brushed her teeth 120 seconds, t, each night:

c=\frac{120}{120} (the 120 on top is the k value and the 120 on the bottom is the number of seconds she brushed) to get

c = 1

7 0
3 years ago
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A camera shop stocks eight different types of batteries, one of which is type A76. Assume there are at least 31 batteries of eac
Sauron [17]

Answer: 12,620,256

Step-by-step explanation:

Given: The camera shop socks eight different types of batteries and there re at least 31 batteries of each type.

Here we want to select r= 31 batteries from n= 8 kinds of batteries, then formula we use to find number of ways is ^{n+r-1}C_r=\ ^{31+8-1}C_{31}

=^{38}C_{31}=\dfrac{38!}{31!(38-31)!}\\\\=\dfrac{38!}{31!7!}\\\\=\dfrac{38\times37\times36\times35\times34\times33\times32\times31!}{31!\times5040}\\\\=12620256

Hence, the number of ways can a total inventory of 31 batteries be distributed among the eight different types = 12,620,256

3 0
3 years ago
I need help :( this problem is very confusing
Sladkaya [172]

Answer:

Emily ,  don't put your whole name in the questions :DDDD, it's at the top of the page, anyway,     Eloper   .. :DDD

Step-by-step explanation:

It's arithmetic  b/c  you're just adding  1

arithmetic

1

1

are the answers ,  the last one is b/c that's the common difference.

6 0
3 years ago
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Which method is better for solving the following equation?<br> x2 - 6x +8=0
igomit [66]
Order of operations
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4 years ago
Can someone give me the answer of the question b?
iragen [17]

Answer: 5.04

Step-by-step explanation:

\sqrt97.5 = 9.87

9.87 divided by 1.96 = 5.04

7 0
3 years ago
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