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3 years ago

A book has a length of (b+2) inches and a width of b inches.Write a simplified expression for the perimiter of the book.

Mathematics

2 answers:

Morgarella [4.7K]3 years ago

3 0

P= 2(b+2) + 2(b)- it would be 2 (width) plus 2( length)

tia_tia [17]3 years ago

3 0

The answer is 4 because it is dividing and multiplying

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I need this by tonight for school

AlexFokin [52]

8.5, 8/5, 17/25, 82%

because u make them all decimals by dividing them and then do it greatest to least. i’m not totaley sure the order is correct but in decimal form 8.5 = 8.5 bc u don’t have to change it 8/5 = 1.6 and 17/25 = .68 and 82% = .82

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3 years ago

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Positionx (m)

9966 [12]

Answer:

A. 3.0 m/s

Step-by-step explanation:

Based on the graph,

velocity = Area of the graph

$v = \frac{y1 - y2}{x1 - x2}$

(y : position and x : time)

Let y1 = 2m and y2 = 14m,

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v = (14 - 2)m/(4-0)s

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3 years ago

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You make a time capsule with your friends. Find the surface area of the shape pictured. Use 3.14 to approximate pi.

Orlov [11]

Answer: $1,475.8mm^{2}$

Step-by-step explanation:

1. If you join the top part and the bottom part of the figure, you obtain a sphere. Then, you must apply the formula for calculate the surface area of a sphere:

$SA_s=4r^{2}(3.14)$

Where r is the radius ( $r=\frac{10mm}{2}=5mm$ )

2. Then:

$SA_s=4(5mm)^{2}(3.14)=314mm^{2}$

3. The formula for calculate the suface area of the red part, which is a cylinder, is:

$SA_c=2(3.14)(r)(h)$

Where h is the height (h=32mm)

4. Then:

$SA_c=2(3.14)(5mm)(32mm)=1,004.8mm^{2}$

5. So, the total surface area is:

$SA_t=314mm^{2}+1,004.8mm^{2}=1,318.8mm^{2}$

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3 years ago

What is the value of w? A.52.5 B.75 C.40 D.100

malfutka [58]

The answer is B. 75 because 105 plus 75 equals 180 degrees...... I used to work on this when I was in 6th grade so it is easy to me hope that helped i tried my best hope you get a 100 hundred as your grade

The answer is = B. 75

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3 years ago

I need help with these problems, thanks

ira [324]

1. C

2. A

3. B

Hope This Helped!

(Brainliest will be appreciated)

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2 years ago

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