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Sergeeva-Olga [200]
3 years ago
5

The mean of children in 5 families is 3. How many children might be in each family if none of them have 3 children??

Mathematics
1 answer:
adoni [48]3 years ago
6 0

Answer:

ftyjbnkdxfcgvhbjn

Step-by-step explanation:

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A teacher reviews 4-1/2 papers per hour, how many papers will that teacher review in 6-1/3 hours
MrRa [10]

Answer:

28\frac{1}{2}\ papers

Step-by-step explanation:

step 1

Convert mixed numbers to an improper fractions

4\frac{1}{2}=\frac{4*2+1}{2}=\frac{9}{2}

6\frac{1}{3}=\frac{6*3+1}{3}=\frac{19}{3}

step 2

we know that

A teacher reviews 9/2 papers per hour

using proportion

Find how many papers will the teacher review in 19/3 hours

Let

x-----> the number of papers

(9/2)/1=x/(19/3)

x=(19/3)(9/2)

x=28.5\ papers

Convert to mixed numbers

28.5=28\frac{1}{2}\ papers

5 0
2 years ago
Find the slope of the line that passes through the two points below."<br> (7,-1) and (9,0)
Stells [14]

Answer:

1/2 or 0.5 (same value, different form)

Step-by-step explanation:

Ok...since I can't actually graph it, we can make a table out of it....

x      y

7     -1

9      0

From -1 to 0, we add 1 (this is for the y section)

From 7 to 9, we add 2 (this is for the x section)

Now all we have to do is divide the y with the x

y/x = 1/2

The slope will be 1/2 (fraction form) 0.5 (decimal form)

Hope this helped!

3 0
2 years ago
Identify 1 and 2. Select all that apply of the following terms: acute, right, obtuse, adjacent, vertical, complementary, supplem
Fittoniya [83]
∠1 and ∠2 are RIGHT ANGLES, VERTICAL ANGLES, and SUPPLEMENTARY ANGLES. 

Hope this helps!
7 0
3 years ago
Read 2 more answers
Combien de morceaux de 15cm peut on découper dans une ficelle de 1cm ?​
poizon [28]

Answer:

English translate for my help please??!

Step-by-step explanation:

7 0
3 years ago
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxi
sashaice [31]
7.23 x 10^14
your want you answer in miles ... therefore you multiply 1.23 x 10^2 by 5.88 x 10^12
4 0
3 years ago
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