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Marta_Voda [28]
3 years ago
8

The ΔPQR is right-angled at P, and PN is an altitude. If QN = 12 in and NR = 6 in, find PN, PQ, PR.

Mathematics
1 answer:
zaharov [31]3 years ago
4 0

Answer:

PR = 6√2, PN = 6, PQ = 12√2

Step-by-step explanation:

Find the unknowns through Sin, Cos, Tan formulae.

The explanation is attached in the pictures. !!

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The time on the clock is 5:35 set the clock below to show what time it will be in a 11 hours and 38 minutes. Thank you
lora16 [44]

A clock is 12 hours.

11 hours and 38 minutes is 22 minutes short of being a full 12 hours.

In 12 hours the time would be 5:35 again, so now subtract 22 minutes from the time:

5:35 - 22 minutes = 5:13

In 11 hours and 38 minutes, the time will be 5:13

4 0
3 years ago
Which of the following is equivalent to -9-√-36
LenKa [72]

Answer:

The answer to your question is:  -9 - 6i

Step-by-step explanation:

Process

\sqrt{-36} = \sqrt{(-1)(36)} = \sqrt{-1} \sqrt{36} = (6i)

= - 9 - (6i)

= -9 - 6i

3 0
3 years ago
What is the product?<br> (-2x - 3y ?) (-4x-3)
statuscvo [17]

Answer:

8x²+6x+12xy+9y

Step-by-step explanation:

⇒(-2x - 3y)(-4x - 3)

⇒(-2x × -4x)+(-2x × -3)+(-3y × -4x)+(-3y × -3)

⇒8x²+6x+12xy+9y

4 0
3 years ago
:vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
madam [21]

Answer:

77% and as a fraction it would be 77/100

Step-by-step explanation:

0.77 is a decimal that is in the hundredths place so you already know that it'll be 77% right away then for the fraction you would just put it over 100 but since 77 is an uneven number you cannot simplify it otherwise you would.

7 0
2 years ago
Please help I’m having a hard time
Nata [24]

Answer:

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Step-by-step explanation:

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4b³c⁴ + 2b⁴c³

3 0
2 years ago
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