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TiliK225 [7]
3 years ago
5

Which expression is equivalent to 0.25(2d + 1) ? please help meh

Mathematics
2 answers:
wolverine [178]3 years ago
6 0

Answer:

I think it is 0.50d + 0.25

PLZ CORRECT ME IF I AM WRONG PLEASE AND THANK YOU

Step-by-step explanation:

Andreas93 [3]3 years ago
6 0

Answer:

Step-by-step explanation:

0.25 (2d+1)=

0.50d+0.25 <===

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3 years ago
What are the greatest common factors of 28,35 and 56.
Zinaida [17]

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  7

Step-by-step explanation:

  28                    35                56

1 and 28         1 and 35       1 and 56

2 and 14         7 and 5         2 and 28

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5 0
2 years ago
Name two special right triangles by their angle measures.
Mandarinka [93]

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A ship leaves port at noon and has a bearing of S29oW. The ship sails at 20 knots. How many nautical miles south and how many na
ira [324]

Answer:

Approximately 58.2\; \text{nautical miles} (assuming that the bearing is {\rm S$29^{\circ}$W}.)

Step-by-step explanation:

Let v denote the speed of the ship, and let t denote the duration of the trip. The magnitude of the displacement of this ship would be v\, t.

Refer to the diagram attached. The direction {\rm S$29^{\circ}$W} means 29^{\circ} west of south. Thus, start with the south direction and turn towards west (clockwise) by 29^{\circ} to find the direction of the displacement of the ship.

The hypothenuse of the right triangle in this diagram represents the displacement of the ship, with a length of v\, t. The dashed horizontal line segment represents the distance that the ship has travelled to the west (which this question is asking for.) The angle opposite to that line segment is exactly 29^{\circ}.

Since the hypotenuse is of length v\, t, the dashed line segment opposite to the \theta = 29^{\circ} vertex would have a length of:

\begin{aligned}& \text{opposite (to $\theta$)} \\ =\; & \text{hypotenuse} \times \frac{\text{opposite (to $\theta$)}}{\text{hypotenuse}} \\ =\; & \text{hypotenuse} \times \sin (\theta) \\ =\; & v\, t \, \sin(\theta) \\ =\; & v\, t\, \sin(29^{\circ})\end{aligned}.

Substitute in \begin{aligned} v &= 20\; \frac{\text{nautical mile}}{\text{hour}}\end{aligned} and t = 6\; \text{hour}:

\begin{aligned} & v\, t\, \sin(29^{\circ}) \\ =\; & 20\; \frac{\text{nautical mile}}{\text{hour}} \times 6\; \text{hour} \times \sin(29^{\circ}) \\ \approx\; & 58.2\; \text{nautical mile}\end{aligned}.

7 0
2 years ago
I need help assap !!!!
tatiyna

Answer:

C & D

Step-by-step explanation:

Both have an odd amount of numbers, meaning there is a perfect middle.

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3 years ago
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