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Y_Kistochka [10]
3 years ago
9

A sum expression that equals -3/4

Mathematics
1 answer:
Sergio [31]3 years ago
8 0

Answer:

2 1/4 - 3 = -3/4 can be a simple equation.

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A boat attempts to sail due east at 15km/h, but is taken off course by a current of 5 km/h flowing in the southwest direction. F
SCORPION-xisa [38]

Answer:

Resultant speed = 12 km/h.

Bearing is 107.14 degrees.

Step-by-step explanation:

This can be represented by a triangle of velocities with lengths 15 and 5 with the included angle = 45 degrees.

To find the velocity of the resultant  we use cosine rule:

v^2 = 15^2 + 5^2 - 2*5*15cos 45

v^2 = 143.934

v = 12.0 km/h to the nearest tenth.

To find the bearing we use the sine rule to find the angle down from due east>

12 / sin 45 = 5/ sin x

sin x =  5 sin 45 / 12 = 0.2946278

x = 17.14 degrees.

Bearing is therefore 90 + 17.14 = 107.14 degrees.

8 0
3 years ago
Hellllllppppp plz I need the help and how to solve it
Natali5045456 [20]

Answer:

\frac{1}{3}

Step-by-step explanation:

There are two black slices.

So, out of 6 slices, you can land on 2 slices.

2 out of 6

2 / 6

1 / 3

3 0
3 years ago
Which one of these grids is shaded red and blue in the ratio 0.5:1?
Nina [5.8K]

Answer:

C

Step-by-step explanation:

0.5 red : 1 blue

1 red : 2 blue

1.5 red : 3 blue

2 red : 4 blues

2.5 red : 5 blue

3 red : 6 blue

3.5 red : 7 blue

4 red : 8 blue

(per every half a red, there is one whole blue)

C has 4 red and 8 blue

0.5 red x 8 blue = 4 red

1 blue x 8 blue = 8 blue

7 0
3 years ago
you have 200 students are $3. They are trying to raise a 1000.00, and for adults the tickets are $5. How many adults must attend
poizon [28]
200(STUDENTS)*$3=600
600-1000=400/5 = 80
80 adults
8 0
3 years ago
Read 2 more answers
In 2006, a company had sales of $10 million. In 2011, sales were $12.5 million. Write a linear model that represents the company
DedPeter [7]

12.5 million I think
5 0
3 years ago
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