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vivado [14]
2 years ago
15

What are the roots of the equation 16x2 – 64x + 65 = 0 in simplest a + bi form?

Mathematics
1 answer:
Semenov [28]2 years ago
8 0

Step-by-step explanation:

16 \times 2 - 64x + 65 = 0 \\ 97 - 64x = 0 \\  - 64x =  - 97 \\ divide \: both \: side \: by \:  - 64 \\ x =  \frac{97}{64}

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2
Aleksandr [31]

Answer: lower bound = 9550

<u>Step-by-step explanation:</u>

Since the number is rounded to the nearest hundred, the actual value is somewhere between 9550 (which rounds up to 9600) and 9649 (which rounds down to 9600).

The lower bound is: 9550

The upper bound is: 9649

6 0
3 years ago
As cars drive up a ramp at a multi-storey car park they go up 2 meters. the length of the ramp is 10 meters. find the angle betw
daser333 [38]
This is a right angle triangle problem
drawing a vertical line at from the point where the ramp touches the car park leaves a right angle triangle with the
opposite being 2m
hypothenus being 10m
adjacent unknown
we could use sine
SineO equal to opposite over hypothenus
SineO equal to 2/10
SineO equal to 0.2
O equal to Sine^1(0.2)
O equal to 11 .5
The angle between the ramp and the horizontal is 11.5 degrees
7 0
2 years ago
Solve for x: -3 + 4x = 25
EleoNora [17]

Answer:

x=7

Step-by-step explanation:

potato^3

7 0
3 years ago
Read 2 more answers
If h(x)=(x-2)^2, find h(x+1)
Softa [21]

Answer:

Step-by-step explanation:

h(x+1) = ( x + 1 - 2)²

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8 0
3 years ago
What is 125% of 144?
Monica [59]

Answer:

180

hope this helps :)

3 0
2 years ago
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