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sergejj [24]
3 years ago
11

I need help on this question please and thank you that would be great

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

w independant a dependant

Step-by-step explanation:

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Matt is showing his work in simplifying (6.2 − 1.6) − 4.4 + 7.8. Identify any error in his work or reasoning. Step 1: (6.2 − 1.6
Black_prince [1.1K]

Answer:

The correct option is (d)-He wrote commutative instead of associative in Step 2.

Step-by-step explanation:

Commutative property: a+b=b+a

Associative property: (a+b)+c=a+(b+c)

Now consider the provided expression.

(6.2 − 1.6) − 4.4 + 7.8

Step 1

(6.2 − 1.6) − 4.4 + 7.8

Step 2 Use Associative property

6.2 + (−1.6 − 4.4) + 7.8

Step 3: Simplify

6.2 − 6 + 7.8

Step 4: Use commutative property

14 − 6

Step 5: Simplify

14 − 6 = 8

Hence, the wrong step is step 2. He wrote commutative instead of associative in Step 2.

Therefore, the correct option is (d)-He wrote commutative instead of associative in Step 2.

8 0
3 years ago
On Monday John bought 7 apples. On Tuesday he bought 3 times as many apples as he did on Monday. How many apples did John buy on
d1i1m1o1n [39]
He brought 21 apples.
8 0
3 years ago
Read 2 more answers
Will bought 3 college textbooks. One cost 32$, one cost 45$, and one cost 39$. What is the average price of his book?
Damm [24]

Answer:

The average of all textbooks is $38.60.

Step-by-step explanation:

Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.

Therefore getting our answer of $38.60.


If this helps hit the thank button!

5 0
3 years ago
Simplify<br> 27^n+3 -6×3^3n+3/3^n×9^n+2
MrMuchimi

Answer:27^n+3–6*3^3n+3–n*9^n+2

Step-by-step explanation:

3 0
3 years ago
There are 32 students in jadens class eating lunch.Then, more students join Jaden’s class. Now they are 86 total students Eating
Reptile [31]
The answer is
86-32=54
8 0
3 years ago
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