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Arte-miy333 [17]
3 years ago
10

I know that the formula for finding the surface area of a rectangular prism is 2ab + 2bc + 2ac , but how do I "fill in the varia

bles", with knowing the correct numbers to solve the problem?
Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0
You're right but just to simplify your life, make the formula this...

A=2(wl+hl+hw)

w=width

h=height

l=length

Easy, just fill in the "variables."

Example,

l=2

w=2

h=2

Plug it in..

2(2*2+2*2+2*2)

2(4+4+4)

2(12)

24

Thus, your surface area example...

Easy.

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Calculate the initial value:<br> m= 5<br> (-3, 6)
AysviL [449]

Answer:

initial value is 21

Step-by-step explanation:

y=mx+b

6= -3(5) +b

b=21

4 0
3 years ago
A package weighs 1 lb 5 oz. How many ounces does it weigh?
Westkost [7]

Answer:

21 ounces

Step-by-step explanation:

You need to know that 1 lb is equal to 16 oz.

Replace 1 lb with 16 oz

1 lb 5 oz

16 oz + 5 oz

21 oz

7 0
3 years ago
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What’s step one to solving equations with decimals
dexar [7]
Line them up by the decimal point
4 0
4 years ago
A student is training for the swim team during July and August one summer. She swims one hour every day, while averaging 800 met
Alex787 [66]

Step-by-step explanation:

Please find the attachment.

Let x be the number of hours the student swims per day.

We have been that a student swims one hour every day, so in 2 months the student will swim 60 hours.

We are also told that the student swims 800 meters each day. This means that slope of the graph that represents the total meters swam during the time of her training program will be 800.          

So in 60 days the student will swim 60\times 800=48,000\text{ meters}.

We can see from our attached graph that at x equals 60 our y is approximately 48.

Since y-axis represents the number of meters in thousands, so 48 stands for 48,000.

Therefore, attached graph is the right choice.

3 0
3 years ago
What is the area of the fire pit? (Use 3.14 for pi.)
laila [671]

Answer:

Area = 65.94

Step-by-step explanation:

I will assume that the shaded region is the fire pit

Given

R = 5

r = 2

Required

Determine the area of the fire pit

First, calculate the area of the big circle.

A_2 = \pi R^2

Area of the small is:

A_1 = \pi r^2

The area of the pit is:

Area = A_2 - A_1

Area = \pi R^2 - \pi r^2

Area = \pi (R^2 -  r^2)

Area = 3.14 (5^2 -  2^2)

Area = 3.14 (25 -  4)

Area = 3.14 * 21

Area = 65.94

5 0
3 years ago
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