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svetoff [14.1K]
2 years ago
5

Nadia says the hypotenuse of this right triangle has a length of 73 because the pythagorean theorem states that (28 45) squared

= 73 squared. 3 squares are positioned to form a right triangle. the small square is labeled 28, medium square is 45, and large square is not labeled. which best describes nadia’s solution?
Mathematics
1 answer:
xxTIMURxx [149]2 years ago
4 0

Both the options that Nadia gives are wrong about the length of hypotenuse.

Given length of hypotenuse is 73 and options which are :

1) Because the pythagoras theorem states that 28^{2} +45^{2} squared = 73 squared.

2) 3 squares are positioned to form a right triangle.

We have to choose the correct option which shows the calculation of length of hypotenuse.

Pythagoras theorem says that in a right angled triangle the square of hypotenuse of triangle is equal to sum of the square of base and square of perpendicular.

H^{2} =P^{2} +B^{2}

First option says that 28^{2} +45^{2} =73^{2}

784+2025=5329

2809≠5329

so it is wrong.

Second option says that the length  of hypotenuse is the sum of three squares but we have seen that the square of the length of hypotenuse is equal to sum of two square one is the square of base and the square of perpendicular.

Hence both the options are incorrect about the length of hypotenuse.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ4

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The electronics company makes two types of switches. Type a takes 4 minutes to make and requires $3 worth of materials.Type b ta
Shalnov [3]



Let

x ------> number of switch type A

y -----> number of switch type B

so

Remember that

1 hour=60 min

32 hours=32*60=1,920 minutes

4x+5y=1,920 -------> equation 1

3x+5y=1,740 ------> equation 2

Solve the system of equations

Solve by graphing

using a graphing tool

see the attached figure

Solution is

x=180

y=240

therefore

<h2>the number of switch type A was 180</h2><h2>the number of switch type B was 240</h2>

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1 year ago
Answer to 10 plzzzzzzzzzzzzzzzzzzzzzzzzzzzz
evablogger [386]

Answer:

B. 2/3

Step-by-step explanation:

0 is less than 1 but not greater than 0.

1 isn't less than 1 but is greater than 0.

3/2 is actually 1.5.  1.5 isn't less than 1 but is greater than 0.

The correct answer is 2/3 because:

2/3 is less than 1 whole.

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8 0
3 years ago
What is the area of a triangle whose vertices are D(3,3), E(3,-1), and F(-2,-5)?
Elis [28]

There is a formula which employs the use of determinants and which helps us calculate the area of a triangle if the vertices are given as (x_1,y_1),(x_2,y_2),(x_3,y_3). The formula is as shown below:

Area=\frac{1}{2}\begin{vmatrix}x_1&y_1&1 \\ x_2&y_2&1\\ x_3&y_3&1\end{vmatrix}

Now, in our case, we have: (x_1,y_1)=(3,3)

(x_2,y_2)=(3,-1), and

(x_3,y_3)=(-2,-5)

Thus, the area in this case will become:


Area=\frac{1}{2}\begin{vmatrix}3&3&1 \\ 3&-1&1\\ -2&-5&1\end{vmatrix}

Therefore, Area=\frac{1}{2}\times [[3(-1\times 1-(-5)\times 1]-3[3\times 1-(-2)\times 1]+1[3\times -5-2]]= \frac{1}{2}\times -20=-10

We know that area cannot be negative, so the area of the given triangle is <u>10 squared units</u>.



3 0
3 years ago
7. To the nearest tenth, what is the square root of 33?
gavmur [86]

Answer:

5.7

Step-by-step explanation:

the square root of 33 is 5.744562

the second unit to the right of the decimal is less than 5

therefore, you'd round down

=5.7

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