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faltersainse [42]
3 years ago
13

PLEASE HELP, MARKING BRAINLIEST!!!!

Mathematics
1 answer:
12345 [234]3 years ago
6 0

Answer:

I think 100..........

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Find a122 of the sequence 5, 8, 11
ruslelena [56]
5, 8, 11, ... is an arithmetic sequence where:

a_1=5;\ a_2=8;\ d=8-5=3\\\\a_n=a_1+(n-1)d\to a_n=5+(n-1)\cdot3=5+3n-3=2+3n\\\\therefore\\\\a_{122}=2+3\cdot122=2+366=368
8 0
3 years ago
A pyramid has a base with a demension 5 inches by 7 inches .The height of the pyramid is unknown .If the volume of the pyramid i
Ulleksa [173]

Answer:

9 inches

Step-by-step explanation:

The volume of a pyramid is given as:

V = \frac{l* w*h}{3}

where l = length of base of pyramid

w = width of base of pyramid

h = height of pyramid

The volume of the cylinder is already known ( 105 in^3 ) and the other two dimensions are known as 5 in and 7 in.

From the formula of the volume of the pyramid, the height of the pyramid is given as:

h = \frac{3V}{l*h}

Hence, the height of the pyramid is:

h = \frac{3 * 105}{5 * 7}\\ \\h = \frac{315}{35} = 9in

The pyramid's height is 9 inches.

7 0
3 years ago
Read 2 more answers
A square has sides 5 inches long. what is the approximate length of a diagonal of the square?
Nina [5.8K]

Answer:

20

Step-by-step explanation:

5x4= 20

4 0
4 years ago
The formula for the circumference of a circle is C=2(pie)(r) Determine the circumference when the radius r is 10 cm.
QveST [7]

the formula for the circumference of a circle is

<span>C = 2 × π × r      or  C = π × D </span>

<span>If either r or D is known, you can calculate the circumference by simply substituting the known value for r or D in the formula. Use 3.14 for π. 
</span>RADIUS = 10DIAMETER = 20
C IS THE ANSWER

4 0
4 years ago
Initially, Ernie does not like a book that he is reading, so he reads very few pages. Then, the story becomes interesting, and h
serious [3.7K]

The graph that best corresponds to the situation is graph 4; option C

<h3>Time graph</h3>

  • Assume, the first hour, Ernie read just 2 pages
  • Second hour, 5 pages
  • Third hour, 7 pages
  • Fourth hour, 10 pages

Number of pages read is on the y - axis

Time taken is on the x - axis

Therefore, graph 4 represent the situation

Learn more about time graph:

brainly.com/question/26209293

#SPJ1

6 0
2 years ago
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