Use the information below to answer Questions #43 - 46. The table below shows eleven altitudes (in thousands of feet) and the speeds of sound (in feet per second) at these altitudes: Altitude, x: 5 10 15 20 25 30 35 40 45 50 Speed of Sound, y: 1117.2 1095.9 1077.9 1055.5 1036.3 1014.3 995.4 969.3 966.6 966.6 966.6
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
question 45 and 46
![Use the information below to answer Questions #43 - 46.
The table below shows eleven altitudes (in thousands of feet) and the speeds of sound (in feet per second) at these
altitudes:
Altitude, x:
5
10
15
20
25
30
35
40
45
50
Speed of Sound, y:
1117.2
1095.9
1077.9
1055.5
1036.3
1014.3
995.4
969.3
966.6
966.6 966.6
Describe the type of linear correlation, if any. Choose the correct answer below.
There is [ Select ]
[ Select ]
a perfect negative
a strong negative
a weak negative
linear correlation.
a perfect positive
• Previ a strong positive
a weak positive
Next
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