#19 (no calculator) from test 10

# #20 (no calculator) from test 10

#20 (no calculator) from test 10

# How do you do Test 9 section 3 number 20?

How do you do Test 9 section 3 number 20?

# test 9 section 3 number 18

test 9 section 3 number 18

# Test 7 Section 3: #8

Test 7 Section 3: #8

# Test 7 Section 3: #6

Test 7 Section 3: #6

# For #23 on Test 8, I understand the “q/4” part on the exponent but…

For #23 on Test 8, I understand the “q/4” part on the exponent but why does the rate stay the same? Wouldn’t you divide 1.02 by 4?

# Ashley and Bernard work at an electronics appliance store…

Ashley and Bernard work at an electronics appliance store. Ashley is paid $200 per week plus 5% of her total sales. Bernard is paid $325 per week plus 2.5% of his total sales. If their weekly pay is the same, what is the dollar amount of Ashley’s pay?

# Amazon says it will take 10 days to ship me your book!

Amazon says it will take 10 days to ship me your book!

# Hi Mike! Can you please solve #29 (Test 8, Section 4)? Thank you!

Hi Mike! Can you please solve #29 (Test 8, Section 4)?

Thank you!

# Can you please solve #37 in Section 4 of Test 8? Thank you!

Can you please solve #37 in Section 4 of Test 8?

Thank you!

# I am confused on problem 9, page 273 of Circles, Radians, and a Little More Trigonometry…

I am confused on problem 9, page 273 of Circles, Radians, and a Little More Trigonometry. I don’t understand how 120 degrees was calculated on the first part of solving the problem. Can you explain further how you calculated 30 degrees to make the wheel parallel and 90 degrees to make the wheel perpendicular to the ground?

# I am confused on Question 3, page 189…

I am confused on Question 3, page 189 (the topic is Measures of Central Tendency and Variability). I checked the solution and how you formed the equation

87m + 93 = 89(m+1)

But I still do not understand why 89(m+1) is there.

# Can you suggest a quick method to solve College Board Practice Test 5 Math Section 3 #14?

Can you suggest a quick method to solve College Board Practice Test 5 Math Section 3 #14? I plugged in easy numbers for x in order to eliminate answer choices (first x=1, then x=0), but wonder if there is a more direct way to solve.

# The call signs of radio and television stations in the United States generally begin with the letter W east of the Mississippi River and the letter K west of the Mississippi…

The call signs of radio and television stations in the United States generally begin with the letter W east of the Mississippi River and the letter K west of the Mississippi. Repetition of letters is allowed. How many different call signs are possible if each station uses a W or K followed by 3 letters?