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Pie
3 years ago
5

If one angle of a set of vertical angles measures 63°, the sum of the vertical angles is °?

Mathematics
1 answer:
algol133 years ago
7 0

Answer

63rrdddd

Step-by-step explanation:

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In a group of 1500 people, 585 have blood type A, 165 have blood type B, 690 have blood type O, and 60 have blood type AB. What
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When calculating probability you need to remember that probability is:
something that you are observing divided by total number of participants.
The number you get is relative value(has value between 0 and 1) and if you want to get it in percentage (more clearly) just multiply it with 100.

In this case we are observing blood type B persons. Number of them is 165.
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3 years ago
6. It takes a delivery truck 2 hours to travel 70 km to deliver a new fridge. The truck drives part of
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Answer:

40 km on the highway

30 km on the city roads

Step-by-step explanation:

Let x = highway

Let y = city road

The time formula: time = distance / speed.

1) Since we do not know the distance travelled on the highway and city roads but we do know the total time taken, we can say x + y = 70. Set the distances x and y and all equated to 2 hours, since we do not know them, nor do we know the time. This is called a system of equations.

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2) Solve the system of equations using substitution.

x = 70 - y

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70 - y/80 + y/20 = 2

70 + 3y/80 = 2

y = 30

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x + 30 = 70

x = 70 - 30

x = 40

Therefore, the delivery truck travelled 40 km on the highway and 30 km on the city roads.

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2 years ago
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