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Serga [27]
3 years ago
15

Please I really need help

Mathematics
1 answer:
Rzqust [24]3 years ago
3 0

Answer:

Angle R is 140 degrees, angle Q is 40 degrees and angle S is also 140 degrees.

Step-by-step explanation:

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If i= -1, what is the value of i3?<br> O-1<br> Ο i <br> O 1<br> O -i
chubhunter [2.5K]

Answer:

I dont think this question is formated correctly. i does not equal to -1. However, If you are wondering about i^-3. it is -i. Otherwords it is D. Hope this helped.

7 0
3 years ago
What are possible coordinates of point F if triangle DEF is<br> congruent to triangle ABC?
Lemur [1.5K]

Answer:

(-1, 4)

Step-by-step explanation:

Point B is 5 units below point A, and point E is 5 units above point D: AB = ED. This means that BC will be equal to EF. B and C are 7 units apart, so 7 units left from E is (-1, 4).

Hope this helps!

8 0
3 years ago
The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars,
sladkih [1.3K]
That would be

3x^2 + 4x - 60 - (3x^2 - x + 200)

= 4x - 60 + x - 200

= 5x - 260   Answer
6 0
4 years ago
The quotient of 100 and the sum of b and 24​
GaryK [48]

Answer:

100/b+24

Step-by-step explanation:

8 0
3 years ago
(02.06) <br> Simplify 10/8-5i.
musickatia [10]
Multiply both numerator and denominator with 8+5i. Then you get \frac{10(8+5i)}{8 ^{2} +5^{2} } = \frac{80+50i}{89} = \frac{80}{89}+ \frac{50}{89}  i
7 0
3 years ago
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