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navik [9.2K]
2 years ago
6

Find the exact length of the third side.

Mathematics
2 answers:
malfutka [58]2 years ago
6 0

Answer:

5sqrt3

Step-by-step explanation:

Using the pythagorean theorem, we have a^2+4^2=9^2

a^2 + 16 = 81

a^2 = 75.

a = sqrt75.

75 = 25*3. 25 is a perfect square, so sqrt75 = 5sqrt3

podryga [215]2 years ago
4 0

Answer:

8.0622577483

Step-by-step explanation:

pythagorean theorem

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Question is in attached file
Nonamiya [84]

The rate of the passenger train is 81.67 MPH and the rate of the freight train is 66.67 MPH.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have:

The distance traveled by passenger train = 245 miles

The distance traveled by freight train = 245 miles

The time takes for both trains is the same.

Let's suppose the rate of the passenger train is x and the rate of the freight train is y;

As we know,

Distance = speed×time

245/x = 200/y

200x = 245y

200x - 245y = 0 ..(1)

x = 15 + y ..(2)

Equations (1) and (2) represent the situation.

After solving equations (1) and (2):

\rm x=\dfrac{245}{3}= 81.67\\\\\\\:y=\dfrac{200}{3}=66.67

Thus, the rate of the passenger train is 81.67 MPH and the rate of the freight train is 66.67 MPH.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ1

5 0
1 year ago
Is anyone know this?​
kirill115 [55]

Answer:

72

Step-by-step explanation:

4 main items

6 side orders

3 drinks

4 x 6 x 3 = 72

6 0
3 years ago
Which best describes how the graph of g(x) =1/9sqrt(x) relates to the graph of the parent function, f(x) =sqrt(x) ? The graph of
lisabon 2012 [21]

Answer:

The graph g(x) is vertically shrunk by a factor of 1/9.

Step-by-step explanation:

Parent Graph: f(x) = a√(bx - c) + d

Since we are only modifying <em>a</em>, we are dealing with vertical shrink (a < 1) and stretch (a > 1). Since 1/9 < 1, we have a vertical shrink by a factor of 1/9.

8 0
3 years ago
Read 2 more answers
Pls help thanks, i’ll give brainliest if you give me a correct answer
Scilla [17]

Answer:

Im helping in part A i cant see Part B that well the answer to 3 ÷ 2/3 = 4 1/2 so disagree

7 0
2 years ago
If f(x)=3^x and g(x)=2x+5, at which value of x is f(x)
tester [92]
2

This is because f(2)=9 since 3^2=9
&
G(2)=9 since 2(2)+5=9
4 0
3 years ago
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