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3 years ago

In a grade seven class, 18 students have pets, and 12 do not. What percent of the class has a pet?

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

7 0

Answer :
If 18+12 is 30 and only 18 of them has pets then 70 percent have pets

Gelneren [198K]3 years ago

6 0

The answer is actually 60% because there are 30 students

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Write the ratio as a fraction in simplest form.<br><br> 10.8 seconds : 36 feet <br><br> (Show work)

vodka [1.7K]

Answer: Ratio as a fraction in simplest form is :

$\frac{27}{1}=27$

Step-by-step explanation:

Since we have given that

10.8 seconds : 36 feet

As we know that

$1\ second=\frac{1}{60}\ mile\\\\1\ second=90\ feet$

So, we use it :

10.8 seconds : 36 feet

$=10.8\times 90\ feet:36\ feet\\\\=972:36\\\\=27:1$

Hence, Ratio as a fraction in simplest form is :

$\frac{27}{1}=27$

7 0

2 years ago

12 out of 30 people chose their favourite colour as blue. calculate the angle you would use for blue on a pie chart.

yKpoI14uk [10]

You'd first have to find out what percentage of people would be 30 out of 100%

4 0

2 years ago

What property (associative,distributive,communitive) is 9(6+4)=(9x6)+(9x4)

ArbitrLikvidat [17]

That is distributive property ... hope this helps

6 0

2 years ago

14. A group of crafters is collecting data on the amount of yarn they use for each scarf knitted. Each person collected 12 piece

fgiga [73]

Answer:

D. There is not enough information to make a conclusion about the population mean.

Step-by-step explanation:

One of the crafters Chris has a sample means of 200. This means that the average amount of yarn Chris used is 200 meters. Yet there is nothing else given about the other crafters, hence it is impossible to draw a conclusion.

5 0

2 years ago

ou need 1 1/4 cups of sugar to make 20 cookies. How many cups of sugar will you need to make 16 cookies? cups of sugar

frutty [35]

Answer:

To make 16 cookies you will need 1 cup of sugar.

Step-by-step explanation:

Given:

Sugar needed to make 20 cookies = 1 1/4 cups

To Find:

Sugar needed to make 16 cookies = ?

Solution:

For making 20 cookies 1 1/4 cups of sugar is used

So to make 1 cookie we need

=> $\frac{1\frac{1}{4}}{20}$

=> $\frac{\frac{5}{4}}{20}$

=> $\frac{5}{4} \times \frac{1}{20}$

=> $\frac{5}{80}$

=> $\frac{1}{16}$ cups of sugar

Now to make 16 cookies we need,

=> $16 \times \text{sugar needed to make one cookie}$

=> $16 \times\frac{1}{16}$

=> $\frac{16}{16}$

=> 1

7 0

3 years ago