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NISA [10]
3 years ago
6

Can someone check this ?

Mathematics
1 answer:
Bezzdna [24]3 years ago
8 0

Answer:

The answer is B. not D.

Step-by-step explanation:

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In angle PQR, angle P = (4x – 14)º, angle Q = (5x + 6)", and angle R= (x - 2)°. Find<br> angle R.
vekshin1

we have: ∠P + ∠Q + ∠R = 180°

<=> (4x – 14)º + (5x + 6)° + (x - 2)° = 180°

<=> 4x – 14 + 5x + 6 + x - 2 = 180°

<=> 10x - 10 = 180°

<=> 10x = 190

<=> x = 19°

So: ∠R = (x - 2)° = (19 - 2)° = 17°

ok done. Thank to me :>

5 0
2 years ago
I have tried multiple times to do this many different ways and I have not gotten the correct answer. #9
hodyreva [135]

It's 1.18^{10}  which gives 5.23 times increase in 10 years, so 523% of oryginal price

5 0
3 years ago
What values for q (0 ≤q≤2π)<br> satisfy the equation?<br><br> 22√sin q + 2 = 0
Vesna [10]
Answer:
\frac{3 \pi }{4} , \frac{7 \pi }{4}

Explanation:
2√2 sin(q) + 2 = 0
2√2 sin(q) = -2
sin(q) = \frac{-2}{2 \sqrt{2} }
sin(q) = \frac{- \sqrt{2} }{2}

Now, we know that:
sin (45) = \frac{ \sqrt{2} }{2}

From the ASTC rule, we know that the sine function is negative in the third and fourth quadrant.
This means that:
either q = 90 + 45 = 135° which is equivalent to \frac{3 \pi }{4}
or q = 270 + 45 = 315° which is equivalent to \frac{7 \pi }{4}

Hope this helps :)
6 0
3 years ago
Read 2 more answers
Someone help me please
babymother [125]

You can probably look up a answer key for that worksheet. ;)

6 0
3 years ago
Read 2 more answers
Divide (x3 - 2x² + 6x - 8) by (x - 2)<br> -<br> How can I (x3 - 2x² + 6x - 8) by (x - 2)
Blababa [14]

Answer:

  x^2 +6 +(4/(x -2))

Step-by-step explanation:

Polynomial long division works for this. The operations are performed in much the same way as for numerical long division.

4 0
2 years ago
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