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Ostrovityanka [42]
3 years ago
6

PLXS HELP NEED BY TODAY

Mathematics
2 answers:
stepan [7]3 years ago
8 0
The degree of a right angle would be 90° so you would solve it by subtracting 90°-73°=x°
x= 17°
Vinil7 [7]3 years ago
3 0

Answer:

I believe its 17, this is a 90 degree angle, so 90-73=17

Step-by-step explanation:

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Point Q is on line segment PR. Given QR=11 and PQ=3, determine the length PR.
klio [65]

Answer:

\huge \boxed{14}

Step-by-step explanation:

Q is a point on the line segment PR.

PQ = 3

QR = 11

PR = PQ + QR

PR = 3 + 11 = 14

3 0
3 years ago
Read 2 more answers
A rectangular box is designed to have a square base and an open top. The volume is to be 500in.3 What is the minimum surface are
mr_godi [17]

The minimum surface area that such a box can have is 380 square

<h3>How to determine the minimum surface area such a box can have?</h3>

Represent the base length with x and the bwith h.

So, the volume is

V = x^2h

This gives

x^2h = 500

Make h the subject

h = 500/x^2

The surface area is

S = 2(x^2 + 2xh)

Expand

S = 2x^2 + 4xh

Substitute h = 500/x^2

S = 2x^2 + 4x * 500/x^2

Evaluate

S = 2x^2 + 2000/x

Differentiate

S' = 4x - 2000/x^2

Set the equation to 0

4x - 2000/x^2 = 0

Multiply through by x^2

4x^3 - 2000 = 0

This gives

4x^3= 2000

Divide by 4

x^3 = 500

Take the cube root

x = 7.94

Substitute x = 7.94 in S = 2x^2 + 2000/x

S = 2 * 7.94^2 + 2000/7.94

Evaluate

S = 380

Hence, the minimum surface area that such a box can have is 380 square

Read more about surface area at

brainly.com/question/76387

#SPJ1

5 0
2 years ago
Salim walked113miles to school and then212miles to work after school. How far did he walk in all? 316 miles 325 miles 345 miles
Mars2501 [29]

Answer:

Total distance traveled = 1/3 + 1/2 = 2+3/6 = 5/6 miles

Hope this helps!

Step-by-step explanation:

8 0
3 years ago
10 points+ brainliest. i dont know what subject to put this under. im doing a online presentation in math class, and i need to f
Angelina_Jolie [31]

Answer:

The song is called "The Upside Down"

Step-by-step explanation:

3 0
3 years ago
rove the following statement directly from the definition of rational number. The difference of any two rational numbers is a ra
Umnica [9.8K]

Answer:

Step-by-step explanation:

Question:

Prove the following statement directly from the definitions.

The difference of any two rational numbers is a rational number.

Answer, see attachment for proof.

7 0
3 years ago
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