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IgorLugansk [536]
3 years ago
10

38) The length of a rectangle is 15.6 cm correct to 1 decimal place.

Mathematics
1 answer:
Ede4ka [16]3 years ago
6 0

Answer:

38.75

Step-by-step explanation:

perimeter = 2(15.6+3.8) =38.8

lower bound = the smallest value that would round up to the estimated value =38.75

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Consider the line which passes through the point P(3, 1, 5), and which is parallel to the line x=1+5t,y=2+5t,z=3+1t Find the poi
padilas [110]

Answer:

The point of intersection

(0,-14,22/5), (2,0,24/5), (-22,-24,0).

Step-by-step explanation:

Check attachment for solution

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4 years ago
Find the x and y intercepts. 2x-4y=8
ivanzaharov [21]

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2

x

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4

y

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8

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Step-by-step explanation:

4 0
3 years ago
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A local am radio station broadcasts at a frequency of 764 khz. calculate the energy of the frequency at which it is broadcasting
pentagon [3]
The frequency of the emitted radio waves is:
f=764 kHz = 7.64 \cdot 10^5 Hz

The energy of a photon is given by:
E=hf
where h is the Planck constant and f is the photon frequency. Using the frequency given by the problem, we can find the energy of each photon of this radiation:
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7 0
4 years ago
Please help me.!
IRINA_888 [86]
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5 0
3 years ago
Define a sequence by a1=3 and an=3an−1. Find the first four terms of the sequence. Give a simplified integer answer.
aalyn [17]

Answer:

The first four terms are 3,9,27,81

Step-by-step explanation:

<u>Step :-1</u>

Given first term of sequence is a_{1} = 3

Given 'n' t h term is a_{n} = 3 a_{n-1}  .............(1)

here we put  n = 2 in equation (1)

a_{2} = 3a_{2-1}

a_{2} = 3 a_{1}    ..............2

put a_{1} = 3      in equation (2)

a_{2} = 3(3)  

a_{2} = 9

put n=3 in equation (1)

a_{3} = 3 a_{3-1}

a_{3} = 3a_{2}

a_{3} = 3 (9) = 27

put n= 4 in equation (1)

a_{4} = 3 a_{4-1}

a_{4} = 3 a_{3}

a_{4} = 3(27) = 81

The first four terms of the sequence is

3 , 9, 27 , 81 ....this is geometric sequence

a =3 and ratio term is r =3

6 0
3 years ago
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