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Triss [41]
3 years ago
7

The expression 3 -42 + 6 / 2 was evaluated what would be done first

Mathematics
2 answers:
Fittoniya [83]3 years ago
6 0
The correct answer should be squaring.

This is because of the order of operations. It says that all grouping should be done first (parentheses, absolute value, brackets, etc.). This expression doesn't have any of those.

Next is exponents. This expression has a square so it should be done first.
After that, we do multiplication and division in order from left to right.
Lastly, we do addition and subtraction, also in order from left to right.
s2008m [1.1K]3 years ago
5 0
3 - 4^ +6/2=
3 - 16 + 3 = -10
-13+3= -10
-16...-15...-14...-13...-12...-11...-10...-9...-8...-7-...6...-5...-4...-3...-2...-1......0...1...2...3...
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Use the distributive property of multiplication to find 6×21 <br><br> Hint: 21 = 1 + 20.
Monica [59]

Answer:

126

Step-by-step explanation:

First multiply 6 by 1. This equals 6. Then, multiply 6 by 20 to get 120. 6+120=126.

3 0
2 years ago
You invest $4000 in an account at 6.5% per year simple interest. How much will you have in the account at the beginning of the 9
aleksandrvk [35]

Answer:

$6340

Step-by-step explanation:

First figure out what 6.5% of 4000 is by multiplying not dividing because dividing will give you a way bigger number.

4000 x 6.5%=260

260 x 9=2340

2340+4000=6340

8 0
3 years ago
Nam owns a used car lot. He checked the odometers of the cars and recorded how far they had driven. He then created both a histo
Scilla [17]

Answer:

(a) The correct option is (A).

(b) The correct option is (B).

Step-by-step explanation:

Nam collected the data for the distance traveled by all the cars in his car lot.

(a)

A histogram is a bar graph representing the distribution of a random variable. The height of the bars of the histogram represents the frequency for a specific interval.

If Nam wants to know how many vehicles had driven more than 200,000 km, the histogram would be the best display of this data. This is because the histogram shows the frequency for various interval values.

The correct option is (A).

(b)

A boxplot, also known as a box and whisker plot is a method to demonstrate the distribution of a data-set based on the following 5 number summary,

  • Minimum (shown at the bottom of the chart)
  • First Quartile (shown by the bottom line of the box)
  • Median (or the second quartile) (shown as a line in the center of the box)
  • Third Quartile (shown by the top line of the box)
  • Maximum (shown at the top of the chart).

So, if Nam wants to find whether the median distance was approximately 140,000 km, a box plot would be a better choice. This is because the box plot represents the median of the data by a line within the box.

The correct option is (B).

4 0
3 years ago
Read 2 more answers
What is the value of b? <br><br> 22.5<br><br> 11.25<br><br> 12<br><br> 6
Helen [10]
11.25 seems to be the answer they want, despite the lack of important information.
7 0
4 years ago
Read 2 more answers
What are the coordinates of the terminal point determined by θ=7π/6?
erma4kov [3.2K]
Cos ( theta ) = cos 7π/6 = -√3/2
sin ( Theta ) = sin 7π/6 = -1/2
Coordinates of the terminal points are: ( -√3/2,  -1/2 ) 
6 0
3 years ago
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