3 years ago

Evaluate the expression (10+4)•7-45 divided by 9

Mathematics

2 answers:

Rama09 [41]3 years ago

6 0

(10+4)*7-45 divided by 9 is 93

(10+4)*7-45/9

14*7-45/9

98-45/9

98-5

Naddika [18.5K]3 years ago

4 0

Answer:

Step-by-step explanation:

(10+4)(7) - 45 / 9

= (14)(7) - 45 / 9

= 98 - 5

= 93

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KiRa [710]

64/8=8

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3 years ago

Find the coordinates of the point on a circle with radius 4 at an angle of 2pi/3

dmitriy555 [2]

Answer:

The coordinates of the point on a circle with radius 4 at an angle of $\frac{2\pi}{3}$ radians are x = -2 and y = 3.464.

Step-by-step explanation:

This problem ask us to determine the rectangular coordinates from polar coordinates. The polar coordinates of the point in rectangular form is expressed by the following expression:

$(x,y) = (r\cdot \cos \theta, r\cdot \sin \theta)$

Where $r$ and $\theta$ are the radius of the circle and the angle of inclination of the point with respect to horizontal, measured in radians. If $r = 4$ and $\theta = \frac{2\pi}{3}\,rad$ , the coordinates of the point are: