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Volgvan
3 years ago
5

ben is showing his work in simplifying (3.9 − 9.4) − 0.6 6.1. identify any error in his work or reasoning. step 1: (3.9 − 9.4) −

0.6 6.1step 2: 3.9 (− 9.4 − 0.6) 6.1 (associative property)step 3: 3.9 − 10 6.1 step 4: 3.9 6.1 − 10 (identity property)step 5: 10 − 10 = 0a he wrote identity instead of commutative in step 4.b he wrote associative instead of commutative in step 2.c he wrote identity instead of distributive in step 4.d he wrote associative instead of distributive in step 2.
Mathematics
1 answer:
motikmotik3 years ago
4 0
He wrote identity instead of commutative in step 4
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Can anyone help me please 3t-1/4=7/8
julsineya [31]
3t − 1/4 = 7/8

Add 1/4 to both sides.

3t + −1/4 + 1/4 = 7/8 + 1/4

3t = 9/8

Divide both sides by 3.

3t/3 = 98/3

t=3/8

3 0
4 years ago
Reflect quadrilateral SQRT over the y-axis. Then translate the new quadrilateral 3 units to the right. What are the coordinates
wel

Answer: S(-5;3) Q(-2;2) R(-3;-2) T(-6;-1)

When reflected over the y-axis, their x values will change sign

S(5;3) Q(2;2) R(3;-2) T(6;-1)

Translate 3 units to the right, their x values will increase by 3

S(8;3) Q(5;2) R(6;-2) T(9;-1)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Two consecutive whole number that lies between the square root of 38
Semenov [28]
√38

Let's name all the squares.
1² = 1 x 1 = 1
2² = 2 x 2 = 4
3² = 3 x 3 = 9
4² = 4 x 4 = 16
5² = 5 x 5 = 25
6² = 6 x 6 = 36
7² = 7 x 7 = 49
8² = 8 x 8 = 64

Okay that's far enough. Now we look for which numbers 38 is in between.
That would be 36 and 49.
But it's asking for where the square root of 38 is, so √36 and √49 ⇒ 6 and 7.
3 0
4 years ago
What is the image of the point (2,8) after a rotation of 270° counterclockwise about<br> the origin?
jarptica [38.1K]

Answer:

(8,-2)

Step-by-step explanation:

270 counterclockwise is the same as 90 clockwise. Rotate on a graph.

8 0
3 years ago
In 2010, the population of Atlanta, Georgia was 419,979 and the population density was 3153 people per mi². What was Atlanta's l
AVprozaik [17]
419979/3153=133.19981 that rounded is 133.2

419979/133.2=3152.9955 that rounded is 3153
5 0
4 years ago
Read 2 more answers
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