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3 years ago

ANSWER FAST PLZ 33 POINTS!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Alex17521 [72]3 years ago

6 0

Answer:

706.5

Step-by-step explanation:

vlada-n [284]3 years ago

4 0

Answer:

it is 706.5 in sq

Step-by-step explanation:

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Triangle HIJ is similar to triangle LMN. Side LM measures x + 1, side MN measures 2x and side NL measures 3x – 1. Side HI measur

rusak2 [61]

12/(x+1) = 26.4/(3x-1)

36x -12 = 26.4x + 12

9.6x = 38.4

x = 4

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3 years ago

Find the Volume of a cylinder with a base area of 25pi inches squared, and height equal to the radius

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The answer is 981.75

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3 years ago

The common difference in an arithmetic sequence is –2 and the first term is 47. What is the 29th term?

BlackZzzverrR [31]

An arithmetic sequence is an ordered list of numbers where the next number is found by adding on to the last number (ex: 2,5,8,11... is a sequence where 3 is added on to find the next number).

The equation for an arithmetic sequence is
$A_{n}=A_{1}+(n-1)d$

$A_{n}$ is the "n-th" number in the sequence (ex: is the first term in the sequence)
d is the number you add (common difference) to find the next number
The first number in the sequence is 47 so $A_{1}=47$
d=-2 because the question gives you that

$A_{n}=A_{1}+(n-1)d$
 $A_{29}=47+(29-1)(-2)$
 $A_{29}=47+(28)(-2)$
 $A_{29}=47+-56$
 $A_{29}=-9$

The answer is A. -9.

 

The answer is C. 158

For the second one, it gives you $A_{1}=4$ and $A_{}=18$
You can use this to find d

 $A_{n}=A_{1}+(n-1)d$
 $A_{3}=4+(3-1)d$
 $18=4+(3-1)d$
 $18=4+2d$
 $14=2d$
 $7=d$

Now you can just solve using the equation normally.
 $A_{n}=A_{1}+(n-1)d$
 $A_{23}=4+(23-1)(7)$
 $A_{23}=4+(22)(7)$
 $A_{23}=4+154$
 $A_{23}=158$

The answer is C. 158

8 0

4 years ago

Read 2 more answers

What is the square root of 13 ?

kipiarov [429]

3.60555128 is the awnser

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3 years ago

What is the value of x

Effectus [21]

4x+2x=180
6x= 180
Divide by 6
X= 30

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3 years ago