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Free_Kalibri [48]

3 years ago

13

A flat Samsung Tv 40" inches is 4 inches more than its width .Its area is 20 square inches .Find the width of the Flat Samsung T

v?????

1 answer:

SVETLANKA909090 [29]3 years ago

5 0

FORMULA: AREA = LENGTH X WIDTH
with this we can proceed so the area is 20
the length is 40 inches and
answer is : width ----18.94---

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. Find the sum of the geometric sequence. (1 point) 1, one divided by four, one divided by sixteen, one divided by sixty four, o

il63 [147K]

Answer:

0.332

Step-by-step explanation:

given series

1/4, 1/16,1/64.1/256

this is geometric series

where common ratio r is given by

nth term/ (n-1)th term

let the second term is nth term and first term is (n-1)th term

r = 1/16 / (1/4) = 1/4

___________________________________________

sum of series is given by

a (1-r^n)/1-r

where a is first term

n is the number of terms

r is the common ration

___________________________________________

in the given series

1/4, 1/16,1/64.1/256

a = 1/4

r = 1/4

n = 4

thus ,

sum = 1/4(1-(1/4)^4)/ (1-1/4)

sum = 1/4(1-(1/256)/(4-1)/4

sum = 1/4((256-1)/256 / 3/4

1/4 in numerator and denominator gets cancelled

sum =( 255/256*3) = 255/768 = 0.332

Thus, sum of series is 0.332.

8 0

3 years ago

Read 2 more answers

What Is the value of the y-intercept of the graph of h(x)=29(5.2)^x

Elan Coil [88]

Answer:

29

Step-by-step explanation:

Put x=0 into the function and do the arithmetic.

h(0) = 29(5.2)^0 = 29(1)

h(0) = 29 . . . . the y-intercept

6 0

3 years ago

Simplify the expression: sqrt(-25) / (5-2i) + (1-3i)

Tanzania [10]

61 would be the most simplified without expressions

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3 years ago

It is desired to draw blood 3 cm up a capillary tube. Assuming a contact angle of 0 degrees and a blood density of 1060 kg/m3, w

JulijaS [17]

Answer:

If we assume a temperature of 20ºc and the blood interfacial surface tension is similar to water interfacial surface tension, the diameter of the capillary tube should be 0.933mm.

Step-by-step explanation:

The Jurin law describes the height a fluid can reach in a capillary tube. This law can be written as:

$H=\displaystyle\frac{2\gamma cos(\theta)}{\rho gr}$

where γ is the interfacial surface tension, θ is the contact angle with the fluid, ρ is the fluid density, g is the gravity acceleration and r is the tube radius.

If we assume that the interfacial surface tension of blood and water are almost the same, γ=0,0728 N/m at 20ºc. Therefore the diameter of the tube will be:

$D=2r=\displaystyle\frac{4\gamma cos(\theta)}{\rho gH}=0.933\cdot 10^{-3}m$

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3 years ago

during spring break an amusement park had 359,479 visitors and a water park had 325,737 visitors. The zoo had more visitors than

bonufazy [111]

359,479 - 325,737
=33742

3 0

2 years ago