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3 years ago

I need help on this

Mathematics

1 answer:

Ierofanga [76]3 years ago

3 0

Answer:

65 babies

Step-by-step explanation:

195 divided by 60 equals 3.25

3.25 times 20 equals 65

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Joe works for a temporary employment agency that pays him $25 per week plus his regular wages, if he works a 40-hour week. If Jo

KonstantinChe [14]

The total he makes would be 465 dollars

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3 years ago

Read 2 more answers

An urn contains 1 liter of water while a second urn nearby is empty. after 1/2 of the water in the first urn is emptied into the

Volgvan

We are given that there will be (1/2) a litre after the first pouring, so considering two successive pourings (n and (n+1)) with 1/2 litre in each before the nth pouring occurs:

1/2 × (1/n) = 1/(2n)

1/2 - 1/(2n) = (n-1)/2n

1/2 + 1/(2n) = (n+1)/2n

(n-1)/2n and (n+1)/2n in each urn after the nth pouring

Then now consider the (n+1)th pouring

(n+1)/2n × 1/(n+1) = 1/(2n)

(n+1)/(2n) - 1/(2n) = n/(2n) = 1/2

Therefore this means that after an odd number of pouring, there will be 1/2 a litre in each urn

Since 1997 is an odd number, then there will be 1/2 a litre of water in each urn.

Answer:

3 0

3 years ago

What is 7 divided by 44

ipn [44]

Answer:

0.1590909999999001

Step-by-step explanation:

5(*$85$84#58$58$85$&(xgkzgkzgkz&)$"(*85dtkdtistozogzfizfjzfjzfjsotyd

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3 years ago

An airplane can ascend at a rate of 50 1/2 meters in 2/3 of a second. How many meters can the airplane ascend in one second?

Blizzard [7]

Answer:

78.75

Step-by-step explanation:

5 0

2 years ago

Determine whether the series is arithmetic or geometric. Then evaluate the finite series for the specified number of terms. 10 +

Salsk061 [2.6K]

Answer:

10 + 7 + 4 + . . .; n = 5

The series is arithmetic

Common difference between terms = (-3)

10 - 3 = 7

7 - 3 = 4

Or:

10 + (-3) = 7

7 + (-3) = 4

--------------------------------------------------------------------------

<u>Another example</u>:

Arithmetic:

5, 9, 13, 17

common difference = 4

5 + 4 = 9

9 + 4 = 13

Geometric:

4, 8, 16, 32

4 × 2 = 8

8 × 2 = 16

16 × 2 = 32

common ratio = 2

--------------------------------------------------------------------------

10 + 7 + 4 + . . .; n = 5

a₁ = 10

a₂ = 7

a₄ = a₃ + d = 4 + (-3) = 4 - 3 = 1 (d = common difference)

a₅ = a₄ - 3 = 1 - 3 = -2

Or with formula:

$d=a_{n} -a_{n-1}$

d = a₂ - a₁ = 7 - 10 = -3

aₙ = a₁ + (n - 1)d

fourth term = a₄ = 10 + (4 - 1)(-3) = 10 + 3(-3) = 10 + (-9) = 10 - 9 = 1

fifth term = a₅ = 10 + (5 - 1)(-3) = 10 + 4(-3) = 10 + (-12) = 10 - 12 = -2

Sum of the finite series (if n = 5):

$S_{n} =\frac{n(a_{1} +a_{n} )}{2} \\S_{5} =\frac{5(a_{1} +a_{5} )}{2} \\S_{5} =\frac{5(10 +(-2) )}{2} \\S_{5} =\frac{5(8 )}{2} =\frac{40}{2} =20$

Manual count: S₅ = 10 + 7 + 4 + 1 + (-2) = 20

7 0

2 years ago