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vlabodo [156]
3 years ago
8

Please help..If you know the correct answer​

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

AC is the longest side

AB is the shortest side

Step-by-step explanation:

We can find the third angle

A+B+C = 180

55+80+C = 180

135+C = 180

C = 180-135

C =45

The longest side is opposite the largest angle

B is the largest angle so AC is the longest side

C is the the smallest angle so AB is the shortest side

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if a point on the graph of a proportional relationship is located at 3,4, can you determine the constant of proportionality? exp
Mashutka [201]

The answer is: No, because we also need to know the type of proportionality


In mathematics, we talk about proportionality when two variables are related and this relationship is that there is a constant ratio between them. There are two types of proportionality.


1. Direct Proportionality:

If there are two variables x and y, we can write the relationship between them as follows:


y=kx


So, by substituting the point in this equation we have that the constant of proportionality is:


4=k(3) \\ \\ \therefore \boxed{k=\frac{4}{3}}


2. Inverse Proportionality:


In this case, the relationship is:


y=\frac{k}{x}


So, the constant of proportionality is:


4=\frac{k}{3} \\ \\ \therefore \boxed{k=12}


As you can see, we have found two different values of the constant of proportionality. So, it is necessary to know the type of proportionality.

7 0
3 years ago
A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is doubled. If the actual cont
alexandr402 [8]

Answer:

6.7 /s.

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t = 0.45

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v = u + at

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= (-2u - u)/0.45

= - 3u/0.45

Acceleration, a/Original speed, u = 3/0.45

= 6.7 /s

6 0
3 years ago
Steve can complete the 100m dash in 10 seconds by Paul can run it in 12 seconds how does Steve's time compared to Paul's
Gwar [14]
Paul can run 10m per 1 second

Steve can run 8.333m per 1 second


4 0
3 years ago
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Katen [24]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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yan [13]

Answer:

21.25

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8 0
3 years ago
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