2 years ago

Find the value of b. A. 123 B. 57 C. 50 D. 61.5

Mathematics

2 answers:

Ksenya-84 [330]2 years ago

8 0

I would go with A also

klasskru [66]2 years ago

5 0

Answer: Um I would go with A

Step-by-step explanation:

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when a plane flies with the wind, it can travel 1980 miles in 4.5 hours. when the plane flies in the opposite direction, against

Romashka-Z-Leto [24]

Velocity with wind = 1,980 / 4.5 = 440 mph
Velocity against wind =1,980 / 5.5 = 360 mph
Plane in still air - wind speed = 360
Plane in still air + wind speed =440
Adding both equations:
2*Plane in still air = 800
Plane in still air = 400 mph
Plane in still air + wind speed =440
Therefore, wind speed = 40 mph

7 0

2 years ago

Two parallel lines are crossed by a transversal. Parallel lines x and y are cut by transversal w. On line x where it intersects

oee [108]

Answer:

(A) $56.5^\circ$

Step-by-step explanation:

From the diagram attached:

Angle 1 and Angle 6 are Co-Interior Angles.

The sum of co-interior angle is 180 degrees.

Therefore:

$m\angle 1+ m\angle 6=180^\circ\\\\m\angle 6=123.5^\circ,$ therefore:\\m\angle 1+ 123.5^\circ=180^\circ\\m\angle 1=180^\circ-123.5^\circ\\m\angle 1=56.5^\circ$

The measure of angle 1 is therefore 56.5 degrees.

The correct option is A.

9 0

2 years ago

Read 2 more answers

What additional information would prove that LMNP is a rectangle? The length of LM is and the length of MN is . The slope of LP

kumpel [21]

Answer:

The correct answer is diagonals are equal and bisect each other.

Step-by-step explanation:

A rectangle is a quadrilateral with opposites sides equal in length and all interior angles equal to 90°. Opposite sides are parallel and adjacent sides are perpendicular. Diagonals in a rectangle are equal in length and they bisect each other. If we want to draw a circumcircle, then the point of intersection of these diagonals give the circumcenter.