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34kurt
3 years ago
9

Help me on all these questions (picture added)

Mathematics
1 answer:
Alchen [17]3 years ago
8 0
7. -9
8. -10
9. -60
10. -70
11. 300
12. -145
13. -1650
14. -1000
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Help really important
likoan [24]

Answer: Its c

Step-by-step explanation:

Plz give brainliest

8 0
2 years ago
What is the measure of angle A? A.118 B.120 C.130 D.720
stich3 [128]
The actual measure of angel A is actually 190
8 0
3 years ago
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Use the quadratic formula to solve for the roots of the following equation.<br> x 2 – 4x + 13 = 0
Artyom0805 [142]
  • Quadratic Formula: x=\frac{-b\pm \sqrt{b^2-4ac}}{2a} , with a = x^2 coefficient, b = x coefficient, and c = constant

With our equation, plug in the values:

x=\frac{4\pm \sqrt{(-4)^2-4*1*13}}{2*1}

Next, solve the exponent and multiplications:

x=\frac{4\pm \sqrt{16-52}}{2}

Next, solve the subtraction:

x=\frac{4\pm \sqrt{-36}}{2}

Next, factor out i (i = √-1):

x=\frac{4\pm \sqrt{36}i}{2}

Next, solve the square root:

x=\frac{4\pm 6i}{2}

Lastly, divide and <u>your answer is:</u>

x=2\pm 3i

5 0
3 years ago
Read 2 more answers
If f(x) = x over 2 + 8, what is f(x) when x = 10?
jeka57 [31]

Answer:

f(10) = 13

Step-by-step explanation:

f(x) = x/2 + 8

Let x = 10

f(10) = 10/2 +8

f(10) = 5+8

f(10) = 13

8 0
3 years ago
Which relationship describes angles 1 and 2?
pav-90 [236]
Angles 1 and 2 are supplementary angels because they form a line.
Angles 1 and 2 are adjacent angles because they share an interior ray and they have a common vertex.
7 0
3 years ago
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