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3 years ago

Common Core Sheets

Mathematics

2 answers:

kiruha [24]3 years ago

5 0

144/145

Convert any mixed numbers to fractions
Then your initial equation becomes
48/5 divided by 29/3

OverLord2011 [107]3 years ago

3 0

144/145 this is the simplest form

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2. The distance between two towns is 7 km. On a map, the distance between the towns is 28 cm. Find, as a ratio, the scale of the

liberstina [14]

scale of the drawing = original dimensions / dimensions of the scale drawing

7/28

Ans 1:4

Answered by GauthMath please heart it and comment thanks if you like

4 0

3 years ago

10 You work at a factory that bottles honey The factory bottles S250 gallons of honey into cup size bottles on average a ay How

erma4kov [3.2K]

Answer:

The factory bottles <u>4000 cups of hone</u>y a day.

Step-by-step explanation:

1 gallon = 16 cups

250 gallons = 4000 cups

Hope this helps!

8 0

4 years ago

In which number does the digit 7 have a value that is 10 times as great as the digit 7 in the number 0.975

Inessa05 [86]

The answer is 0.73 because in 0.975 the value of digit 7 is 7/100 ,10 times of 7/100 is 7/10 and the value of 7 in 0.73 is 7/10 ;.tenth value.

5 0

3 years ago

What should be added to −5 to make the sum 0?<br><br> −5<br> 0<br> 5<br> 6

kherson [118]

Answer:

Step-by-step explanation:

0=x-5

solve for x

x=5

nnnnnnnnnn

6 0

3 years ago

Read 2 more answers

Find the sample standard deviation:

zlopas [31]

Answer:

Step-by-step explanation:

Given the sample data 2 6 15 9 11 22 1 4 8 19, before we can get the standard deviation, we need to first calculate the mean.

mean = 2 +6 +15 +9 +11 +22 +1 +4 +8 +19/10

mean = 97/10

mean = 9.7

Standard deviation for ungrouped data is expressed using the formula;

$S = \sqrt{ \dfrac{\sum(x-\overline x)^2}{n-1} }$

$\overline x \ is\ the \ mean\\n \ is \ sample \ size$

$S = \sqrt{\frac{(2-9.7)^2+(6-9.7)^2+(15-9.7)^2+(9-9.7)^2+(11-9.7)^2+(22-9.7)^2+(1-9.7)^2+(4-9.7)^2+(8-9.7)^2+(19-9.7)^2}{10-1} }\\ S = \sqrt{\frac{(-7.7)^2+(-3.7)^2+(5.3)^2+(-0.7)^2+(1.3)^2+(12.3)^2+(-8.7)^2+(-5.7)^2+(-1.7)^2+(9.3)^2}{10-1} }\\\\S = \sqrt{\dfrac{59.29+13.69+28.09+0.49+1.69+151.29+75.69+32.49+2.89+86.49}{10-1} }\\\\\\S = \sqrt{\dfrac{452.1}{9} }\\\\S = \sqrt{50.23}\\ \\S = 7.08\\\\S \approx 7.1$

<em>Hence the standard deviation of the sample data is 7.1</em>

7 0

3 years ago