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3 years ago

What is the volume of a cube with a length of 5mm?

2 answers:

8 0

I think

V = l w h V = s3

V = (5 mm)(5 mm)(5 mm) V = (5 mm)3

V = 125 mm3 V = 125 mm3

Yuliya22 [10]3 years ago

5 0

Mm3 I think I did the math on paper

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the prices of three types of pens for eight 7 and $5 respectively a teacher paid 1 $60 for 22 pens find the number of pens that

nevsk [136]

Answer:65

Step-by-step explanation:

4 0

3 years ago

The salary of members of two governing bodies in 2008 was $

OLEGan [10]

Complete Question

The salary of members of two governing bodies in 2008 was $167.2 thousand, and has increased by approximately $2 thousand per year since then. Complete parts (a) and (b).

(a) Complete the following table to help find an expression that stands for the the salary (in thousands of dollars) of members of the two governing bodies t years since 2008.

Number of years and salaries of members of the two governing bodies

$\left|\begin{array}{c|c}-------&------\\$Years since 2008&$Salary (thousands of dollars)\\-------&------\\0&(2*--) + --\\1&(2*--) + --\\2&(2*--) + --\\3&(2*--) + --\\4&(2*--) + --\\t&(2*--) + --\end{array}\right| \\$

(b) Evaluate the expression that is found in part (a) for t = 5. What does the result means in this situation?

Answer:

(a) $S(t)=2t+167.2$

(b) S(5)=$177.2 thousand.

Step-by-step explanation:

(a)

The salary increases by $2 thousand per year since 2008. Therefore, the completed table is below:

$\left|\begin{array}{c|c}-------&------\\$Years since 2008&$Salary (thousands of dollars)\\-------&------\\0&(2\cdot 0) + 167.2\\1&(2\cdot 1) + 167.2\\2&(2\cdot 2) + 167.2\\3&(2\cdot 3) + 167.2\\4&(2\cdot 4) + 167.2\\t&(2\cdot t) + 167.2\end{array}\right| \\$

Therefore, an expression that gives the salary (in thousands of dollars) of members of the two governing bodies t years since 2008 is:

$S(t)=2t+167.2$

(b)

When t=5

$S(5)=2*5+167.2\\S(5)=177.2$

This means that 5 years after 2008 (i.e Year 2013) the salary of members of the two governing bodies will be approximately $177.2 thousand.

3 0

3 years ago

The length of a picture frame is 8 inches more than the width. For what values of x is the perimeter of the picture frame greate

Travka [436]

answer

2(X+8X)=152

9X=75

X=8

5 0

3 years ago

the bottom of a ladder must be placed 5 feet from a building. the ladder is 14 feet long. how far above the ground does the ladd

Xelga [282]

$h^2+5^2=14^2\\
h^2+25=196\\
h^2=196-25\\
h^2=171\\
h=3\sqrt{19}$

4 0

3 years ago

Select each equation which is equivalent to 60% of 25.

Maksim231197 [3]

The equation which is equivalent to 60% of 25 is x = 0.6 * 25

An equation is used to show the relationship between variables, numbers.

Let x represent the value of 60% of 25. Hence:

x = 60% of 25

x = 0.6 * 25

Hence the equation which is equivalent to 60% of 25 is x = 0.6 * 25

x/25 = 60/100

6/10 = x/25

6 0

2 years ago