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Vanyuwa [196]
3 years ago
6

Venla is 5 years older than her cousin Kora.

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

13

Step-by-step explanation:

v=k+5

k=Kora's age

if v=18

k=v-5

k=18-5

j=13

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irina [24]
6-(-5)
6+5 = 11

The answer is D!
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● The short and long hands of a clock are 4 cm and 6 cm long respectively. Find the sum of distance travelled by their tips in 2
nekit [7.7K]

Step-by-step explanation:

short hand radius = 4

distance travellled in 1 day revolution = 2πr= 2 x 22/7 x 4= 25.1cm (approx)

distance travellled in 2 day revolution= 25.1+ 25.1 = 50.2

long hand radius= 6

each hour 1 revolution by long hand so in 24 hr 24 revolutions and 48 he 48 revolution

distance travelled in 1 hr = 2πr= 2 x 22/7 x 6= 37.7

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Kipish [7]

Answer:

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4 0
2 years ago
Fourteen percent of the town’s population are above the age of 65. If there are about
Gennadij [26K]

Answer:

So if 14% are over 65, and 320 residents are over 65, then we can say that 14% of the town is 320. Then, we can divide by 14 to find 1%, which is 22.857142857 Now we can multiply this by 100 to get 2285.7142857.

Step-by-step explanation:

6 0
3 years ago
Suppose that the credit remaining on a phone card (in dollars) is a linear function of the total calling time (in minutes). When
Virty [35]

Answer:

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Step-by-step explanation:

Credit remaining on a phone card is a linear function of the total calling time.

When graphed, let the linear function representing the line is,

y = mx + b

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b = y-intercept

From the graph,

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Credit left in the card after 21 minutes,

f(21) = -0.12(21) + 32.92

      = -2.52 + 32.92

      = $30.4

6 0
3 years ago
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