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2 years ago

If 60 marks is 40% what is full marks

1 answer:

4 0

150, I believe
"if 40% of a number is 60" (40/100) * x = 60 (.4) x = 60 [reduce or just write it this way] x = 60(.4) [multiply both sides by .40]

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How to put percent into decimal

fiasKO [112]

Answer:

There are multiple ways to do so:

You can divide the number by 100 to convert it to a decimal

You could take your percentage and add a decimal two places to the left.

Examples of both:

For division its as simple as 75 divided by 100 = 0.75

If we are going to use the decimal method, lets say we have 45%, so we can do this:

45% =45.00

Move the decimal two places to the left.

0.45

6 0

2 years ago

PLEASE HELP ME ASAP! Find are and perimeter!!!!

dangina [55]

Area = the top semicircle + the rectangle AEBD

= 1/2 pi*6^2 + 6*12 = 128.55 cm^2 to nearest 100th

Perimeter = 6pi + 12 + 2 pi * 3 = 49.70 cm

6 0

3 years ago

Explain and demonstrate the multiplication of complex conjugates using 2+3i and its complex conjugate. Be sure to discuss all st

krok68 [10]

The product of a complex number and its conjugate is (a + i b) · (a - i b), where a and b are real numbers, and the result for the complex number 2 + i 3 is 13.

<h3>What is the multiplication of a complex number and its conjugate</h3>

Let be a complex number a + i b, whose conjugate is a - i b. Where a and b are real numbers. The product of these two numbers is:

(a + i b) · (a - i b)

Then, we proceed to obtain the result by some algebraic handling:

a · (a + i b) + (- i b) · (a + i b)

a² + i a · b - i a · b - i² b²

a² - i² b²

a² + b²

If we know that a = 2 and b = 3, then the product of the complex number and its conjugate is:

$z\cdot \bar z = 2^{2} + 3^{2}$

$z\cdot \bar z = 13$

To learn more on complex numbers: brainly.com/question/10251853

#SPJ1

6 0

2 years ago

An architect's scale drawing of a new school is 8.4 inches long. The scale used in the drawing is 2 inches = 8 feet.

Brut [27]

Answer:

33.6f eet

Step-by-step explanation:

2=8 then

8.4x8= 67.2/2= 33.6 feet

3 0

2 years ago

I need help please help meeeeeeeee I don’t understand

Pie

Answer:

n-3

Step-by-step explanation:

Notice that the output is always 3 less than the input

output is input -3

f(n) = n-3

7 0

3 years ago