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Scrat [10]
3 years ago
13

*PLS ANSWER CORRECTLY WITH DETAILS* What is the surface area of this regular pyramid?

Mathematics
1 answer:
horrorfan [7]3 years ago
3 0

Answer:

340

Step-by-step explanation:

Base Surface Area =  102

=  100 feet^2

Lateral Surface Area =  

2×10×√  (10/2)^2+ 12^2

=  260 feet^2

Total Surface Area = 340 feet^2

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The 59th and 4th team of an Ap are - 61 and 64 respectively. Show that the common differences is - 2.5 and 23rd term is 16.5​
Mnenie [13.5K]

Answer:

See answers below

Step-by-step explanation:

T59 = a+58d = -61

T4 = a+3d = 64.

Subtract

58d-3d = -61-64

-55d = -125

d =125/55

d = 25/11

Get a;

From 2

a+3d = 64

a+3(25/11) = 64

a = 64-75/11

a = 704-75/11

a = 629/11

T23 = a+22d

T23 = 629/11+22(25/11)

T23 = 1179/11

3 0
3 years ago
In 2009, a school population was 1,700. By 2017 the population had grown to 2,500. Assume the population is changing linearly. W
qaws [65]

Answer:

100

Step-by-step explanation:

The population is changing linearly. This means that the population is increasing by a particular value n every year.

From 2009 to 2017, there are 8 increases and so, the population increases by 8n.

The population increased from 1700 to 2500. Therefore, the population increase is:

2500 - 1700 = 800

This implies that:

8n = 800

=> n = 800/8 = 100

The average population growth per year is 100.

4 0
4 years ago
Can you please help me with this problem!!
Black_prince [1.1K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The Camasta family pays $85 a month for TV
Stels [109]

Answer:

$2833.33

Step-by-step explanation:

1. You take 85 and divide it by 3%

4 0
4 years ago
Read 2 more answers
What is the reciprocal of 2 and 3/8
Leviafan [203]
To find the reciprocal of a number or fraction, just flip the numerator and denominator. Whole numbers are always over 1. 

 2 = \frac{2}{1}

The reciprocal of \frac{2}{1} =  \frac{1}{2} or .5 (one-half)

The reciprocal of \frac{3}{8} =  \frac{8}{3}
8 0
3 years ago
Read 2 more answers
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