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3 years ago

14

Use the data in the table to write a multiplication or a division story for each number fact.Solve.

1 answer:

jolli1 [7]3 years ago

4 0

10÷5=2 that is a division

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What is the mean of the following data set? <br> 82, 100, 92, 66, 72, 96, 70, 88.

Brut [27]

Answer:

83.25

Step-by-step explanation:

add all the numbers and divide by 8. 666/8 = 83.25

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3 years ago

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Find the exact area of an equilateral triangle if the length of one side is 40

VARVARA [1.3K]

Equilateral triangle is a triangle with the 3 sides of the same length, and the 3 angles with the same measures/degree.
The formula to find the area of a triangle is base x height/2 , you do have the base (40), but you need the height. To find the height of an equilateral triangle you use the formula: side/2 x radical3, this way u'll find the height and therefor can calculate the area of the triangle.
Hope that helped :)

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3 years ago

A spring has natural length 24 cm. Compare the work W1 done in stretching the spring from 24 cm to 34 cm with the work W2 done i

Scilla [17]

Answer:

From the analysis W1=W2.

they are directly related

Step-by-step explanation:

the work-done in stretching a spring can be expressed as

$W=\frac{1}{2}kx^2$

where k= spring constant

x= change on length of spring

Hence for W1

Given data

x= 34-24= 10 cm

solving in terms of k we have

$W=\frac{1}{2}k*10^2\\\W=\frac{1}{2}k*100\\\W=50k$

Hence for W2

Given data

x= 44-34= 10 cm

solving in terms of k we have

$W=\frac{1}{2}k*10^2\\\ W=\frac{1}{2}k*100\\\ W=50k$

4 0

3 years ago

3 more than 6 times a number

Snowcat [4.5K]

Answer:

assuming you're looking for an expression, it would be written as "6x+3".

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3 years ago

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What is the geometric mean of 4/5 and 45?

AfilCa [17]

Answer:

6

Step-by-step explanation:

The geometric mean of 2 numbers a and b is $\sqrt{ab}$ , then

geometric mean = $\sqrt{\frac{4}{5}(45) }$ = $\sqrt{36}$ = 6

3 0

2 years ago