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Andre45 [30]
2 years ago
14

1. Which of the following is a perfect square number? A. 24 B. 125 C. 121 D. 8 20​

Mathematics
1 answer:
zepelin [54]2 years ago
6 0

Answer:

125 is the square of 25 I hope

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harry invests £6000 in a savings account. the account pays 3.4% compound interest per year. work out the value of his investment
Nataly_w [17]

Invested amount (P0 = £6000.

Rate of interest (r) = 3.4% = 0.034.

We know compound interest formula

A = P(1+r)^t

We need work out the value of his investment per year.

So, we need to plug t=1 and plugging values of P and r in the formula above, we get

A = 6000(1+0.034)^1

A = 6000(1.034)

A = 6204.

<h3>Therefore, the value of his investment per year is £ 6204.</h3>

Now, we need to work out the value of his investment after 3 years.

So, we need to plug t=3.

A = 6000(1+0.034)^3

A = 6000(1.034)^3

1.034^3=1.105507304

A = 6000 × 1.105507304

A = 6633.04

<h3>Therefore, the value of his investment after 3 year is  £ 6633.04.</h3>
6 0
2 years ago
A student draws the net below to show the dimensions of the container that is shaped like a right rectangular prism. What is the
ZanzabumX [31]

Answer:

The correct option is;

D) 62 in²

Step-by-step explanation:

Here we have from the drawing, the dimensions of the right rectangular prism are;

Height = 2 in.

Width = 5 in

Length = 3 in

Therefore the surface area is found as follows;

Surface area of right rectangular prism = 2 × Height × Width + 2 × Height × Length + 2  × Width × Length

Surface area of right rectangular prism = 2 × 2 × 5 + 2 × 2× 3+ 2  × 5× 3 = 20 + 12 + 30 = 62 in².

5 0
3 years ago
Which of these types of income is taxed?
icang [17]

Answer:

<h2>interest on saving accounts</h2><h2 />

Step-by-step explanation:

8 0
3 years ago
Find the derivative of the function <br>y=x^3-8x^2+21x+1
aleksandrvk [35]
y=x^3-8x^2+21x+1 \\&#10;y'=3x^2-16x+21
6 0
3 years ago
You paint four walls. Each wall is a rectangle with a length of 20 feet and a height of 12 feet. One gallon of paint covers abou
Naddik [55]

Answer:

3 gallons

Step-by-step explanation:

Each wall 12 x 20 = 240 feet squared

4 walls =  4 x 240 = 960 squared feet

960 divided into 320 = 3

1 gallon --------320

1 gallon------------320

1 gallon-----------320

                    3 gallons----------960

 

5 0
2 years ago
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