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Ne4ueva [31]
3 years ago
14

What is the volume of the square-based pyramid shown below?

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

12 cm³

Step-by-step explanation:

Formula :

edge^2(\frac{height}{3} )

input

3²(4/3)

x3 and /3 cancel out

remaining = 3(4) = 12

units = cm³

12 cm³

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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The cost of attendance at State College is $19,500 for the first year. Devise a periodic savings plan that will allow you to mak
ValentinkaMS [17]
We are told to use simple interest rate. Formula for this is:
A=P*(1+r*t)

Where:
A= total accumulated amount (principal + interest)
P= principal
r= yearly percentage rate
t= number of years

We need to save $19500 for the first year at a college. This is the amount we will have at the account after five years. In our case this is A.
Principal is the amount we need to put into savings to get the total amount needed. In our case this is P.
Yearly percentage rate is the percentage by which our savings increase at the end of a year. In our case this is r.
t is number of years that we are holding our money on the bank account.

To solve this problem we will assume that we are putting same amount each month on the bank account.

We are given:
A=$19500
P=?
r=1.5%
t=5 years

First step is to transform r into decimal number:
r= \frac{1.5}{100} =0.015

Now we get back to our formula and we solve it for P:
A=P*(1+r*t) \\ P= \frac{A}{1+r*t}
We insert numbers and we get our principal:
P= \frac{19500}{1+0.015*5}  \\ P=18139.53

We need to put $18139.53 into savings to get required amount after 5 years or 5*12=60months. Assuming that we put same amount each month into savings we need to put
18139.53 / 60 = 302.33

This is our solution for this problem. This is closest to the amount we would need to put in real life. In real life we would earn interest onto interest and our monthly amount would be smaller.
3 0
3 years ago
The students at mix middle school painted a mural 25 feet long. The height was 3/10 of the length how high was the mural
valkas [14]
The mural is 7.5 high
4 0
3 years ago
The plot below shows the lengths of 555 neck warmers that Mary knit for a family of giraffes. A line plot labeled volume of juic
Elanso [62]

Answer: The answer is 8

Step-by-step explanation:

It’s Kinda obvious if your teachers asks u to explain its 12 1/2 - 4 1/2 which equals 8 1

2

+

4 1

2

=

17

Calculation steps:

12 1

2

+

4 1

2

=  (12 + 4) + (

1

2

+

1

2

)

=  16 +

1 + 1

2

=  16 +

2

2

=  16 +

2 ÷ 2

2 ÷ 2

=  16 +

1

1

= 8 hope this helps

6 0
2 years ago
A 13 foot board is cut into two pieces. The length of the shorter piece is 1 ft more than half the length of the longer piece. F
docker41 [41]

The length of the pieces are 5 foot and 8 foot.

<h3>what is Algebra?</h3>

Algebra is the part of mathematics that helps represent problems or situations in the form of mathematical expressions.

Given:

Total length of board is 13 foot.

let the length of first piece be x

and length of second piece be y

So, x+ y = 13 .......(1)

Now, The length of the shorter piece is 1 ft more than half the length of the longer piece

x = y/2 + 1......(2)

Now, solving (1) and (2) we get

y/2 + 1 + y = 13

3y/2 = 12

y=24/3

y=8

Then x= 13-8

x= 5

Hence, the length of the pieces are 5 foot and 8 foot.

Learn more about Algebra here:

brainly.com/question/24875240

#SPJ1

7 0
1 year ago
Y。<br> What is the value of x?<br> O A. 20<br> O B. 30<br> O C. 45<br> O D. 60<br> O E. 90
tatuchka [14]
A.20 that’s is your answer
6 0
3 years ago
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