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spin [16.1K]
3 years ago
15

The time shown on the clock is 11:05 starting at this time approximately what time will it be when the hands from an obtuse angl

e
Mathematics
2 answers:
fgiga [73]3 years ago
6 0

Answer: 11:11

Step-by-step explanation:

Obtuse angle:

     An obtuse angle is an angle of greater than 90° and less than 180°. It is bigger than an acute angle. It is smaller than a straight angle, which measures 180°.

Sergio [31]3 years ago
4 0
It'll be at 11:11 when the hands form a obtuse angle.
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Less than one

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Factor Completely 14bx^2-7x^3-4b+2x
Mnenie [13.5K]

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=14bx2−7x3−4b+2x

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3 years ago
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A 40% antifreeze solution is to be mixed with a 70% antifreeze solution to get 240 liters of a 64% solution. How many liters of
Alexxandr [17]

Answer:

We have 40% antifreeze and 70% antifreeze and we need to make 240 liters of 64% antifreeze.

We set up 2 equations where "f" is the 40 % and "s" is the 70%

A) f + s = 240

B) .40f + .70s = (.64 * 240) (or 153.6)

To solve both equations we multiply A) by -.40

A) -.40 f  - .40 s = -96.00   then we add this to B)

B) .40f + .70s = 153.60

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s = 192

f = 48

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Double Check

153.60 / 240 = 64% antifreeze.

Step-by-step explanation:

6 0
3 years ago
Please help asap<br><br> solve x^4+5x^2+4=0
const2013 [10]

Answer:

x=\pm i\text{ or }x=\pm2i

Step-by-step explanation:

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x^4+5x^2+4=0

Let's let u be equal to x². So:

u^2+5u+4=0

Factor:

(u+1)(u+4)=0

Zero Product Property:

u+1=0\text{ or } u+4=0

Subtract:

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Replace:

x^2=-1\text{ or }x^2=-4

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x=\pm i\text{ or }x=\pm2i

7 0
2 years ago
The ropes on either side of a swing are 1.9 m long. If a child swings through a arc length of 0.9 Determine the angle (in radian
Yuliya22 [10]

Answer:

theta = 9/19 radians or  approximately .4737 radians

Step-by-step explanation:

The formula for arc length is

S = r theta  

where theta is in radians.  Lets put in what we know.  The radius would be 1.9 since the ropes would be the radius.

.9 = 1.9 theta

Divide by 1.9 on each side.

.9/1.9 = theta

theta = 9/19 radians

or in decimal form it is approximately  .4737 radians



7 0
3 years ago
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