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3 years ago

What is the surface area of the square pyramid?

Mathematics

1 answer:

wel3 years ago

3 0

Ok to start you need to break this into a net in your head. Next, calculate each triangle
(6*7)/2 = 21
Then, multiply each triangle by the amount of them.
21*4 = 84
Next, get the area of the square.
7*7 = 49
Lastly, add the triangles and the square up.
49 + 84 = 133

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Find the area and perimeter of the parallelogram 36in 40in

Misha Larkins [42]

Answer:

perimeter= 152in

Step-by-step explanation:

5 0

4 years ago

Need help in these to math problems

Masteriza [31]

Question 1:

For this case we have that by definition, the GCF of two numbers is the largest number that is a factor of both numbers. For example, the number 10 is the biggest factor that 50 and 30 have in common.

We must find the GCF of the following expression:

$30t ^ 2u + 12tu ^ 2 + 24tu$

We look for the prime factorization of each number:

$30: 2 * 3 * 5\\12: 2 * 2 * 3\\24: 2 * 2 * 2 * 3$

The GCF of the three numbers is $2 * 3 = 6$

So:

$6tu (5t + 2u + 4)$

Answer:

Option C

Question 2:

For this case we have that by definition of power properties of the same base, that:

$a ^ n * a ^ m = a ^ {n + m}$

That is, for multiplication of powers of the same base, the same base is placed and the exponents are added.

So:

$b ^ n * b ^ m = b ^ {n + m}$

ANswer:

$b ^ {n + m}$

Option A

6 0

4 years ago

A tree grows three feet per year. What happens to the growth of the

Rom4ik [11]

Answer:

The answer is C :,)

Step-by-step explanation:

5 0

4 years ago

On January 1, Year 1, Scott Company purchased a new machine for $220,000. The machine is expected to have an eight-year life and

dlinn [17]

Answer:

1. Annual straight-line depreciation = 25000

2. Machine's book value at the end of Year 2 = 170000

3. Gain on the sale of the machine = 10000

Step-by-step explanation:

1. Let's review the information provided to us to answer the questions correctly:

Price of the new machine purchased by Scott Company = 220,000

Expected life of the machine = 8 years

Salvage value = 20,000

Price of sale of the machine after 2 years of usage = 180,000

2. Calculate the annual straight-line depreciation on the machine.

Annual depreciation = (Price of purchase of the new machine - Salvage value)/Expected life of the machine

Replacing with the real values, we have:

Annual depreciation = (220,000 - 20,000)/8

Annual depreciation = 200,000/8

Annual straight-line depreciation = 25000

3. What is the machine's book value at the end of Year 2 after the annual depreciation has been recorded?

Machine's book value at the end of Year 2 = Price of the new machine purchased by Scott Company - 2 * Annual straight-line depreciation

Replacing with the real values, we have:

Machine's book value at the end of Year 2 = 220,000 - 2 * 25,000

Machine's book value at the end of Year 2 = 220,000 - 50,000

Machine's book value at the end of Year 2 = 170000

4. Calculate the gain or loss on the sale of the machine.

Gain or loss on the sale of the machine = Price of sale of the machine after 2 years of usage - Machine's book value at the end of Year 2

Replacing with the real values, we have:

Gain or loss on the sale of the machine = 180,000 - 170,000

Gain on the sale of the machine = 10000

8 0

4 years ago

Please Answer! I have been working on this for an hour and can't get it!

Ronch [10]

The answer is B = (-1, -5)

Because -1 to 4 is 5 which is the run from
rise/run
So we would apply 2 - 7
Which would be - 5

Give me brainliest if this helped

7 0

3 years ago