MATHEMATICS MIDDLE SCHOOL

Which expression is NOT equivalent to the other three?A) −9 − 7n + 16n
B) 9(n − 9)
C) n − 9 + 8n
D) 9n − 9

Answers

Answer 1
Answer: B be cause it would be 9n-81 while all the other are 9n-9
Answer 2
Answer: The answer is letter C) n-9+8n

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Elizabeth has a piece of ribbon that is 4.5 meters long she wants to cut it into pieces that Are 0.25 meters long how many pieces of ribbon will she have

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4.5 divided by 0.25 is 18 so she will have 18 pieces.

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One number is missing from this data set18, 24, 22,30,26,___,25

The median of the data set is 24. What is the greatest possible value of the missing number

Answers

23, it has to be less than 24 since 25, 26, and 30 are greater than 24.
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Giulia runs an average of 15 minutes each day. She has a goal of running 100 minutes in seven days. Well she complete her running goal in seven days ? explain to a friend

Answers

Yes. If she runs 15 minutes everyday she'll reach her goal. In seven days she'll have 105 minutes total. :)
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My last question! help me. ASAP

Answers

Answer: 119.43\ cm^2

Step-by-step explanation:

The area of the rectangle can be calculated with the following formula:

A_r=lw

Where "l" is the length and "w" is the width.

In this case:

l=12\ cm\nw=11\ cm

Then, substituting values into the formula, you get that the area of the rectangle shown in the figure is:

A_r=(12\ cm)(11\ cm)\n\nA_r=132\ cm^2

The formula that is used to find the area of a circle is:

A_c=\pi r^2

Where "r" is the radius of the circle.

In this case you know that:

r=2\ cm

Then, the area of the given circle is:

A_c=\pi (2\ cm)^2\n\nA_c=12.566\ cm^2

Subtract both areas in order to find the area of the shaded region. Rounded to the nearest hundredth, this is:

A_s=132\ cm^2-12.566\ cm^2\n\nA_s=119.43\ cm^2

2.07,2 7/10,2.67,-2.67 in least to greatest

Answers

Answer:

the answer: -2.67, 2.07, 2.67, 2 and 7/10
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