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topjm [15]
2 years ago
9

8 persons attended an interview at a company where each person can be either selected or rejected. find the number of ways of an

nouncing the result.
Mathematics
1 answer:
Ganezh [65]2 years ago
5 0
2 possibilities for each person, for 8 people
= 2*2*2*2*2*2*2*2
=2^8
= 256 ways of announcing the result
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What is the answer? The glee club has 120 cupcakes to sell. they have decided to arrange the cupcakes in the shape of a rectangl
grin007 [14]
<span>Find the number of columns and rows of the cupcake in a rectangle shape with 120 pieces.
=> The row must ne even and the column must be add
=> 120 = 2 x 2 x 2 x 15
=> 120 = 8 x 15
=> 120 = 120
Thus, the glee club will need to arrange the row of the rectangle shaped cupcake as 8 rows  and the column as 15 columns.
That gets the total of 120 cupcakes in all.

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8 0
2 years ago
Yesterday's World Cup final had viewing figures of 138,695,157.<br><br> What is the value of the 3?
crimeas [40]

Answer:

The value of the 3 is 30,000,000.

Step-by-step explanation:

From the digit at the right, you go multiplying each element by 10 powered to a counter that starts at zero and increases at every digit. So:

Our counter is i

i = 0;

v(7) is the value of the 7

v(7) = 7*10^{0} = 7

i = 1;

v(5) is the value of the 5

v(5) = 5*10^{1} = 50

i = 2;

v(1) is the value of the 1

v(1) = 1*10^{2} = 100

i = 3;

v(5) is the value of the 5

v(5) = 5*10^{3} = 5,000

i = 4;

v(9) is the value of the 9

v(9) = 9*10^{4} = 90,000

i = 5;

v(6) is the value of the 6

v(6) = 6*10^{5} = 600,000

i = 6;

v(8) is the value of the 8

v(8) = 8*10^{6} = 8,000,000

i = 7;

v(3) is the value of the 3

v(3) = 3*10^{7} = 30,000,000

The value of the 3 is 30,000,000.

8 0
2 years ago
PLEASE HELP!
Ivenika [448]

Answer:

(D)Which equation matches the word problem? 24.35+45.65 = m

(D)Curtis withdrew $70 from the ATM.

Step-by-step explanation:

Addition and Subtraction Equations  Assignment

Using a Bar Diagram

8 0
2 years ago
Read 2 more answers
The gold bar has a trapezium cross-sectional area. Gold has a density of 19.3 grams per cm3. Work out the mass of the gold bar.
Varvara68 [4.7K]

Answer:

Mass of gold bar = 13.896 kg

Step-by-step explanation:

Volume of gold bar = Area of  trapezium x Length of bar

Length of bar = 16 cm

Area of  trapezium = 2 x Area of triangle + Area of rectangle

Area of triangle = 0.5 x 5 x 3 = 7.5 cm²

2 x Area of triangle = 2 x 7.5 = 15 cm²

Area of rectangle = 6 x 5 = 30 cm²

Area of  trapezium = 15 + 30 = 45 cm²

Volume of gold bar = 45 x 16 = 720 cm³

Density of gold = 19.3 g/cm³

Mass of gold bar = 720 x 19.3 = 13896 g = 13.896 kg

Mass of gold bar = 13.896 kg

6 0
2 years ago
Read 2 more answers
A $400,000 loan has monthly interest-only payments of $2,600. What is the annual interest rate? 6.5, 7.2, 7.4 or 7.8?
Amiraneli [1.4K]
(annual interest)/(loan amount) = interest rate
(12×$2,600)/$400,000 = .078 = 7.8% . . . . annual interest rate
6 0
2 years ago
Read 2 more answers
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