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3 years ago

0.003 is 1/10 of ____

Mathematics

1 answer:

34kurt3 years ago

8 0

.0003, .04, .02, 2 now i need to type more do i cam be more than 20 characters

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A concert hall has 12 seats in the first row, 14 seats in the second row, 16 seats in the third row, and so on. If the pattern c

Marrrta [24]

Given:

The number of seats in the first row is a₁ = 12.

The series of the increasing number of seats is 12, 14, 16......

The objective is to find the total number of seats in the first 12 rows.

Explanation:

The difference between the number of seats in each row can be calculated by the difference between the successive terms of the series.

$\begin{gathered} d=14-12=2 \\ d=16-14=2 \end{gathered}$

The number of rows to be calculated is n = 12.

To find the number of seats:

The number of seats presents in the first 12 rows can be calculated as,

$S_n=\frac{n}{2}\lbrack2a_1+(n-1)d\rbrack$

On plugging the obtained values in the above equation,

$\begin{gathered} S_{12}=\frac{12}{2}\lbrack2(12)+(12-1)2\rbrack \\ =6\lbrack24+11(2)\rbrack \\ =6(46) \\ =276 \end{gathered}$

Hence, the total number of seats in the first 12 rows is 276.

8 0

9 months ago

6+4×5-5² help please I keep on getting 16

Whitepunk [10]

Answer: 1

Step-by-step explanation:

6+4×5-5²

=6+20-25

3 0

2 years ago

Read 2 more answers

4x + 2y = 10 identify the slope and the y intercept

Alecsey [184]

Answer:

Slope in this case is -2

Y-Intercept in this case is 5, or (0, 5)

Step-by-step explanation:

In order to identify the slope and y-intercept, you must put the equation is y = mx + b form. This is quite simple! Don't panic! You got this :)

4x + 2y = 10

Move x to the right

2y = -4x + 10

Divide by y's coefficient

y = -2x + 5

Slope in this case is -2

Y-Intercept in this case is 5

5 0

2 years ago

What is the mean deviation of 4, 3, 4, 5, 6, 6, 8, 4?

MrRa [10]

Calculate mean:
4+3+4+5+6+6+8+4=40
40/8=5

Calculate MAD:
1+2+1+0+1+1+3+1=10
10/8= 1.25

Final answer: 1.25

5 0

3 years ago

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A rectangle has a length of 15 centimeters and a width of 7 centimeters. What is the area of the rectangle?

Flura [38]

<h3>given:</h3>

length= 15cm

width= 7cm

area of the rectangle.

<h3>solution:</h3>

area of rectangle= length × width

a= l × w

a= 15 × 7

= 105 cm^2

6 0

2 years ago

Read 2 more answers