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german
2 years ago
14

Please help with math question below

Mathematics
2 answers:
Umnica [9.8K]2 years ago
5 0
Edges that are perpendicular to PR basically means what edges make a 90° angle with PR.

Those edges are HP , RA, TR and QP.

Hence, the answer is A, B and C.
mixer [17]2 years ago
3 0
I am pretty sure its qt 
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A city has an elevation of -752 feet. Which statement describes the city's elevation?
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Answer:

The answer is C my good sir

Step-by-step explanation:

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The solution for that proplem is X=4,1

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Evaluate the expression. ( – 5+ – 9)× – 3÷ – 2
Ronch [10]

Answer:

-21

Step-by-step explanation:

( - 5+ - 9) \times - 3 \div - 2

Solve the brackets first.

( - 14) \times - 3 \div - 2

Division comes next.

( - 14) \times - 3/-2

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3 years ago
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suppose y varies directly with x, an dy = 10 when x =3. what direct variation equations relates x and y?
Ratling [72]

The direct variation equation relates x and y is y = \frac{10}{3} x

Step-by-step explanation:

Direct variation is when one variable is equal to a constant times another variable

If y varies directly with x, then

  • y ∝ x
  • y = k x is the equation of variation
  • k is the constant of variation

∵ y varies directly with x

∵ y ∝ x

∴ y = k x

∵ y = 10 when x = 3

- Substitute these values in the equation above to find k

∴ 10 = k(3)

∴ 10 = 3 k

- Divide both sides by 3

∴ k = \frac{10}{3}

∴ The equation of variation is y = \frac{10}{3} x

The direct variation equation relates x and y is y = \frac{10}{3} x

Learn more:

You can learn more about variation in brainly.com/question/10708697

#LearnwithBrainly

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3 years ago
How do you combine like terms in this expression? <br><br> 10xy-4(xy+2x²y)
klio [65]
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